9fy0

Cryo-EM structure of Saccharolobus solfataricus 30S initiation complex bound to Ss-aIF2beta leaderless mRNA

Method: ELECTRON MICROSCOPY

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1. Protein Identity and Related Structures Protein Identity & Related Structures

Small ribosomal subunit protein eS1

OrganismNot specified

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 32 RNA 3	rRNA 16S × 1 Small ribosomal subunit protein uS2 × 1 （P95993） Small zinc finger protein HVO-2753-like zinc-binding pocket domain-containing protein × 1 （Q980V0） Small ribosomal subunit protein uS4 × 1 （P95987） Small ribosomal subunit protein eS4 × 1 （Q9UX94） Small ribosomal subunit protein uS5 × 1 （Q9UX87） Small ribosomal subunit protein eS6 × 1 （Q980A6） Small ribosomal subunit protein uS7 × 1 （P35026） Small ribosomal subunit protein uS8 × 1 （Q9UX92） Small ribosomal subunit protein eS8 × 1 （Q980W3） Small ribosomal subunit protein uS9 × 1 （P95992） Small ribosomal subunit protein uS10 × 1 （P35027） Small ribosomal subunit protein uS11 × 1 （P95988） Small ribosomal subunit protein uS12 × 1 （P39573） Small ribosomal subunit protein uS13 × 1 （P95986） Small ribosomal subunit protein uS14 × 1 （Q97ZQ5） Small ribosomal subunit protein uS15 × 1 （Q980A8） Small ribosomal subunit protein uS17 × 1 （Q9UX98） Small ribosomal subunit protein eS17 × 1 （Q980K7） Small ribosomal subunit protein uS19 × 1 （Q9UXA3） Small ribosomal subunit protein eS19 × 1 （Q980F7） Small ribosomal subunit protein eS24 × 1 （Q97ZY6） Small ribosomal subunit protein eS27 × 1 （Q97Z80） Small ribosomal subunit protein eS28 × 1 （Q980Q5） Small ribosomal subunit protein eS31 × 1 （Q97ZY7） Small ribosomal subunit protein uS3 × 1 （Q9UXA0） Large ribosomal subunit protein eL8 × 1 （P55858） aS34 × 1 （Q97ZK4） Small ribosomal subunit protein eS25 × 1 （Q97ZZ6） aS33 × 1 （D0KTI0） LSU ribosomal protein S30E (Rps30E) × 1 （Q97ZH4） tRNA met initiator × 1 Ss_aIF2beta mRNA × 1 LSU ribosomal protein S26E (Rps26E) × 1 （Q97ZR1） SPERMINE × 43 MAGNESIUM ION × 47 ZINC ION × 9 GUANOSINE-5'-TRIPHOSPHATE × 1 water × 16	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS3A_SACS2
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain A； PDBConstruct 1–208； UniProt 1–208

Small ribosomal subunit protein uS2

OrganismNot specified

UniProt P95993

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 32 RNA 3	rRNA 16S × 1 Small ribosomal subunit protein eS1 × 1 （Q9UXD4） Small zinc finger protein HVO-2753-like zinc-binding pocket domain-containing protein × 1 （Q980V0） Small ribosomal subunit protein uS4 × 1 （P95987） Small ribosomal subunit protein eS4 × 1 （Q9UX94） Small ribosomal subunit protein uS5 × 1 （Q9UX87） Small ribosomal subunit protein eS6 × 1 （Q980A6） Small ribosomal subunit protein uS7 × 1 （P35026） Small ribosomal subunit protein uS8 × 1 （Q9UX92） Small ribosomal subunit protein eS8 × 1 （Q980W3） Small ribosomal subunit protein uS9 × 1 （P95992） Small ribosomal subunit protein uS10 × 1 （P35027） Small ribosomal subunit protein uS11 × 1 （P95988） Small ribosomal subunit protein uS12 × 1 （P39573） Small ribosomal subunit protein uS13 × 1 （P95986） Small ribosomal subunit protein uS14 × 1 （Q97ZQ5） Small ribosomal subunit protein uS15 × 1 （Q980A8） Small ribosomal subunit protein uS17 × 1 （Q9UX98） Small ribosomal subunit protein eS17 × 1 （Q980K7） Small ribosomal subunit protein uS19 × 1 （Q9UXA3） Small ribosomal subunit protein eS19 × 1 （Q980F7） Small ribosomal subunit protein eS24 × 1 （Q97ZY6） Small ribosomal subunit protein eS27 × 1 （Q97Z80） Small ribosomal subunit protein eS28 × 1 （Q980Q5） Small ribosomal subunit protein eS31 × 1 （Q97ZY7） Small ribosomal subunit protein uS3 × 1 （Q9UXA0） Large ribosomal subunit protein eL8 × 1 （P55858） aS34 × 1 （Q97ZK4） Small ribosomal subunit protein eS25 × 1 （Q97ZZ6） aS33 × 1 （D0KTI0） LSU ribosomal protein S30E (Rps30E) × 1 （Q97ZH4） tRNA met initiator × 1 Ss_aIF2beta mRNA × 1 LSU ribosomal protein S26E (Rps26E) × 1 （Q97ZR1） SPERMINE × 43 MAGNESIUM ION × 47 ZINC ION × 9 GUANOSINE-5'-TRIPHOSPHATE × 1 water × 16	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS2_SACS2
Isoform	—
PDB entities	3
Chains and sequence ranges	Author chain B； PDBConstruct 1–231； UniProt 1–231

Small zinc finger protein HVO-2753-like zinc-binding pocket domain-containing protein

OrganismNot specified

UniProt Q980V0

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 32 RNA 3	rRNA 16S × 1 Small ribosomal subunit protein eS1 × 1 （Q9UXD4） Small ribosomal subunit protein uS2 × 1 （P95993） Small ribosomal subunit protein uS4 × 1 （P95987） Small ribosomal subunit protein eS4 × 1 （Q9UX94） Small ribosomal subunit protein uS5 × 1 （Q9UX87） Small ribosomal subunit protein eS6 × 1 （Q980A6） Small ribosomal subunit protein uS7 × 1 （P35026） Small ribosomal subunit protein uS8 × 1 （Q9UX92） Small ribosomal subunit protein eS8 × 1 （Q980W3） Small ribosomal subunit protein uS9 × 1 （P95992） Small ribosomal subunit protein uS10 × 1 （P35027） Small ribosomal subunit protein uS11 × 1 （P95988） Small ribosomal subunit protein uS12 × 1 （P39573） Small ribosomal subunit protein uS13 × 1 （P95986） Small ribosomal subunit protein uS14 × 1 （Q97ZQ5） Small ribosomal subunit protein uS15 × 1 （Q980A8） Small ribosomal subunit protein uS17 × 1 （Q9UX98） Small ribosomal subunit protein eS17 × 1 （Q980K7） Small ribosomal subunit protein uS19 × 1 （Q9UXA3） Small ribosomal subunit protein eS19 × 1 （Q980F7） Small ribosomal subunit protein eS24 × 1 （Q97ZY6） Small ribosomal subunit protein eS27 × 1 （Q97Z80） Small ribosomal subunit protein eS28 × 1 （Q980Q5） Small ribosomal subunit protein eS31 × 1 （Q97ZY7） Small ribosomal subunit protein uS3 × 1 （Q9UXA0） Large ribosomal subunit protein eL8 × 1 （P55858） aS34 × 1 （Q97ZK4） Small ribosomal subunit protein eS25 × 1 （Q97ZZ6） aS33 × 1 （D0KTI0） LSU ribosomal protein S30E (Rps30E) × 1 （Q97ZH4） tRNA met initiator × 1 Ss_aIF2beta mRNA × 1 LSU ribosomal protein S26E (Rps26E) × 1 （Q97ZR1） SPERMINE × 43 MAGNESIUM ION × 47 ZINC ION × 9 GUANOSINE-5'-TRIPHOSPHATE × 1 water × 16	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q980V0_SACS2
Isoform	—
PDB entities	4
Chains and sequence ranges	Author chain C； PDBConstruct 1–65； UniProt 1–65

Small ribosomal subunit protein uS4

OrganismNot specified

UniProt P95987

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 32 RNA 3	rRNA 16S × 1 Small ribosomal subunit protein eS1 × 1 （Q9UXD4） Small ribosomal subunit protein uS2 × 1 （P95993） Small zinc finger protein HVO-2753-like zinc-binding pocket domain-containing protein × 1 （Q980V0） Small ribosomal subunit protein eS4 × 1 （Q9UX94） Small ribosomal subunit protein uS5 × 1 （Q9UX87） Small ribosomal subunit protein eS6 × 1 （Q980A6） Small ribosomal subunit protein uS7 × 1 （P35026） Small ribosomal subunit protein uS8 × 1 （Q9UX92） Small ribosomal subunit protein eS8 × 1 （Q980W3） Small ribosomal subunit protein uS9 × 1 （P95992） Small ribosomal subunit protein uS10 × 1 （P35027） Small ribosomal subunit protein uS11 × 1 （P95988） Small ribosomal subunit protein uS12 × 1 （P39573） Small ribosomal subunit protein uS13 × 1 （P95986） Small ribosomal subunit protein uS14 × 1 （Q97ZQ5） Small ribosomal subunit protein uS15 × 1 （Q980A8） Small ribosomal subunit protein uS17 × 1 （Q9UX98） Small ribosomal subunit protein eS17 × 1 （Q980K7） Small ribosomal subunit protein uS19 × 1 （Q9UXA3） Small ribosomal subunit protein eS19 × 1 （Q980F7） Small ribosomal subunit protein eS24 × 1 （Q97ZY6） Small ribosomal subunit protein eS27 × 1 （Q97Z80） Small ribosomal subunit protein eS28 × 1 （Q980Q5） Small ribosomal subunit protein eS31 × 1 （Q97ZY7） Small ribosomal subunit protein uS3 × 1 （Q9UXA0） Large ribosomal subunit protein eL8 × 1 （P55858） aS34 × 1 （Q97ZK4） Small ribosomal subunit protein eS25 × 1 （Q97ZZ6） aS33 × 1 （D0KTI0） LSU ribosomal protein S30E (Rps30E) × 1 （Q97ZH4） tRNA met initiator × 1 Ss_aIF2beta mRNA × 1 LSU ribosomal protein S26E (Rps26E) × 1 （Q97ZR1） SPERMINE × 43 MAGNESIUM ION × 47 ZINC ION × 9 GUANOSINE-5'-TRIPHOSPHATE × 1 water × 16	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS4_SACS2
Isoform	—
PDB entities	5
Chains and sequence ranges	Author chain D； PDBConstruct 1–181； UniProt 1–181

Small ribosomal subunit protein eS4

OrganismNot specified

UniProt Q9UX94

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 32 RNA 3	rRNA 16S × 1 Small ribosomal subunit protein eS1 × 1 （Q9UXD4） Small ribosomal subunit protein uS2 × 1 （P95993） Small zinc finger protein HVO-2753-like zinc-binding pocket domain-containing protein × 1 （Q980V0） Small ribosomal subunit protein uS4 × 1 （P95987） Small ribosomal subunit protein uS5 × 1 （Q9UX87） Small ribosomal subunit protein eS6 × 1 （Q980A6） Small ribosomal subunit protein uS7 × 1 （P35026） Small ribosomal subunit protein uS8 × 1 （Q9UX92） Small ribosomal subunit protein eS8 × 1 （Q980W3） Small ribosomal subunit protein uS9 × 1 （P95992） Small ribosomal subunit protein uS10 × 1 （P35027） Small ribosomal subunit protein uS11 × 1 （P95988） Small ribosomal subunit protein uS12 × 1 （P39573） Small ribosomal subunit protein uS13 × 1 （P95986） Small ribosomal subunit protein uS14 × 1 （Q97ZQ5） Small ribosomal subunit protein uS15 × 1 （Q980A8） Small ribosomal subunit protein uS17 × 1 （Q9UX98） Small ribosomal subunit protein eS17 × 1 （Q980K7） Small ribosomal subunit protein uS19 × 1 （Q9UXA3） Small ribosomal subunit protein eS19 × 1 （Q980F7） Small ribosomal subunit protein eS24 × 1 （Q97ZY6） Small ribosomal subunit protein eS27 × 1 （Q97Z80） Small ribosomal subunit protein eS28 × 1 （Q980Q5） Small ribosomal subunit protein eS31 × 1 （Q97ZY7） Small ribosomal subunit protein uS3 × 1 （Q9UXA0） Large ribosomal subunit protein eL8 × 1 （P55858） aS34 × 1 （Q97ZK4） Small ribosomal subunit protein eS25 × 1 （Q97ZZ6） aS33 × 1 （D0KTI0） LSU ribosomal protein S30E (Rps30E) × 1 （Q97ZH4） tRNA met initiator × 1 Ss_aIF2beta mRNA × 1 LSU ribosomal protein S26E (Rps26E) × 1 （Q97ZR1） SPERMINE × 43 MAGNESIUM ION × 47 ZINC ION × 9 GUANOSINE-5'-TRIPHOSPHATE × 1 water × 16	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS4E_SACS2
Isoform	—
PDB entities	6
Chains and sequence ranges	Author chain E； PDBConstruct 1–239； UniProt 1–239

Small ribosomal subunit protein uS5

OrganismNot specified

UniProt Q9UX87

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 32 RNA 3	rRNA 16S × 1 Small ribosomal subunit protein eS1 × 1 （Q9UXD4） Small ribosomal subunit protein uS2 × 1 （P95993） Small zinc finger protein HVO-2753-like zinc-binding pocket domain-containing protein × 1 （Q980V0） Small ribosomal subunit protein uS4 × 1 （P95987） Small ribosomal subunit protein eS4 × 1 （Q9UX94） Small ribosomal subunit protein eS6 × 1 （Q980A6） Small ribosomal subunit protein uS7 × 1 （P35026） Small ribosomal subunit protein uS8 × 1 （Q9UX92） Small ribosomal subunit protein eS8 × 1 （Q980W3） Small ribosomal subunit protein uS9 × 1 （P95992） Small ribosomal subunit protein uS10 × 1 （P35027） Small ribosomal subunit protein uS11 × 1 （P95988） Small ribosomal subunit protein uS12 × 1 （P39573） Small ribosomal subunit protein uS13 × 1 （P95986） Small ribosomal subunit protein uS14 × 1 （Q97ZQ5） Small ribosomal subunit protein uS15 × 1 （Q980A8） Small ribosomal subunit protein uS17 × 1 （Q9UX98） Small ribosomal subunit protein eS17 × 1 （Q980K7） Small ribosomal subunit protein uS19 × 1 （Q9UXA3） Small ribosomal subunit protein eS19 × 1 （Q980F7） Small ribosomal subunit protein eS24 × 1 （Q97ZY6） Small ribosomal subunit protein eS27 × 1 （Q97Z80） Small ribosomal subunit protein eS28 × 1 （Q980Q5） Small ribosomal subunit protein eS31 × 1 （Q97ZY7） Small ribosomal subunit protein uS3 × 1 （Q9UXA0） Large ribosomal subunit protein eL8 × 1 （P55858） aS34 × 1 （Q97ZK4） Small ribosomal subunit protein eS25 × 1 （Q97ZZ6） aS33 × 1 （D0KTI0） LSU ribosomal protein S30E (Rps30E) × 1 （Q97ZH4） tRNA met initiator × 1 Ss_aIF2beta mRNA × 1 LSU ribosomal protein S26E (Rps26E) × 1 （Q97ZR1） SPERMINE × 43 MAGNESIUM ION × 47 ZINC ION × 9 GUANOSINE-5'-TRIPHOSPHATE × 1 water × 16	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS5_SACS2
Isoform	—
PDB entities	7
Chains and sequence ranges	Author chain F； PDBConstruct 1–214； UniProt 1–214

Small ribosomal subunit protein eS6

OrganismNot specified

UniProt Q980A6

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 32 RNA 3	rRNA 16S × 1 Small ribosomal subunit protein eS1 × 1 （Q9UXD4） Small ribosomal subunit protein uS2 × 1 （P95993） Small zinc finger protein HVO-2753-like zinc-binding pocket domain-containing protein × 1 （Q980V0） Small ribosomal subunit protein uS4 × 1 （P95987） Small ribosomal subunit protein eS4 × 1 （Q9UX94） Small ribosomal subunit protein uS5 × 1 （Q9UX87） Small ribosomal subunit protein uS7 × 1 （P35026） Small ribosomal subunit protein uS8 × 1 （Q9UX92） Small ribosomal subunit protein eS8 × 1 （Q980W3） Small ribosomal subunit protein uS9 × 1 （P95992） Small ribosomal subunit protein uS10 × 1 （P35027） Small ribosomal subunit protein uS11 × 1 （P95988） Small ribosomal subunit protein uS12 × 1 （P39573） Small ribosomal subunit protein uS13 × 1 （P95986） Small ribosomal subunit protein uS14 × 1 （Q97ZQ5） Small ribosomal subunit protein uS15 × 1 （Q980A8） Small ribosomal subunit protein uS17 × 1 （Q9UX98） Small ribosomal subunit protein eS17 × 1 （Q980K7） Small ribosomal subunit protein uS19 × 1 （Q9UXA3） Small ribosomal subunit protein eS19 × 1 （Q980F7） Small ribosomal subunit protein eS24 × 1 （Q97ZY6） Small ribosomal subunit protein eS27 × 1 （Q97Z80） Small ribosomal subunit protein eS28 × 1 （Q980Q5） Small ribosomal subunit protein eS31 × 1 （Q97ZY7） Small ribosomal subunit protein uS3 × 1 （Q9UXA0） Large ribosomal subunit protein eL8 × 1 （P55858） aS34 × 1 （Q97ZK4） Small ribosomal subunit protein eS25 × 1 （Q97ZZ6） aS33 × 1 （D0KTI0） LSU ribosomal protein S30E (Rps30E) × 1 （Q97ZH4） tRNA met initiator × 1 Ss_aIF2beta mRNA × 1 LSU ribosomal protein S26E (Rps26E) × 1 （Q97ZR1） SPERMINE × 43 MAGNESIUM ION × 47 ZINC ION × 9 GUANOSINE-5'-TRIPHOSPHATE × 1 water × 16	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS6E_SACS2
Isoform	—
PDB entities	8
Chains and sequence ranges	Author chain G； PDBConstruct 1–214； UniProt 1–214

Small ribosomal subunit protein uS7

OrganismNot specified

UniProt P35026

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 32 RNA 3	rRNA 16S × 1 Small ribosomal subunit protein eS1 × 1 （Q9UXD4） Small ribosomal subunit protein uS2 × 1 （P95993） Small zinc finger protein HVO-2753-like zinc-binding pocket domain-containing protein × 1 （Q980V0） Small ribosomal subunit protein uS4 × 1 （P95987） Small ribosomal subunit protein eS4 × 1 （Q9UX94） Small ribosomal subunit protein uS5 × 1 （Q9UX87） Small ribosomal subunit protein eS6 × 1 （Q980A6） Small ribosomal subunit protein uS8 × 1 （Q9UX92） Small ribosomal subunit protein eS8 × 1 （Q980W3） Small ribosomal subunit protein uS9 × 1 （P95992） Small ribosomal subunit protein uS10 × 1 （P35027） Small ribosomal subunit protein uS11 × 1 （P95988） Small ribosomal subunit protein uS12 × 1 （P39573） Small ribosomal subunit protein uS13 × 1 （P95986） Small ribosomal subunit protein uS14 × 1 （Q97ZQ5） Small ribosomal subunit protein uS15 × 1 （Q980A8） Small ribosomal subunit protein uS17 × 1 （Q9UX98） Small ribosomal subunit protein eS17 × 1 （Q980K7） Small ribosomal subunit protein uS19 × 1 （Q9UXA3） Small ribosomal subunit protein eS19 × 1 （Q980F7） Small ribosomal subunit protein eS24 × 1 （Q97ZY6） Small ribosomal subunit protein eS27 × 1 （Q97Z80） Small ribosomal subunit protein eS28 × 1 （Q980Q5） Small ribosomal subunit protein eS31 × 1 （Q97ZY7） Small ribosomal subunit protein uS3 × 1 （Q9UXA0） Large ribosomal subunit protein eL8 × 1 （P55858） aS34 × 1 （Q97ZK4） Small ribosomal subunit protein eS25 × 1 （Q97ZZ6） aS33 × 1 （D0KTI0） LSU ribosomal protein S30E (Rps30E) × 1 （Q97ZH4） tRNA met initiator × 1 Ss_aIF2beta mRNA × 1 LSU ribosomal protein S26E (Rps26E) × 1 （Q97ZR1） SPERMINE × 43 MAGNESIUM ION × 47 ZINC ION × 9 GUANOSINE-5'-TRIPHOSPHATE × 1 water × 16	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS7_SACS2
Isoform	—
PDB entities	9
Chains and sequence ranges	Author chain H； PDBConstruct 1–193； UniProt 1–193

Small ribosomal subunit protein uS8

OrganismNot specified

UniProt Q9UX92

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 32 RNA 3	rRNA 16S × 1 Small ribosomal subunit protein eS1 × 1 （Q9UXD4） Small ribosomal subunit protein uS2 × 1 （P95993） Small zinc finger protein HVO-2753-like zinc-binding pocket domain-containing protein × 1 （Q980V0） Small ribosomal subunit protein uS4 × 1 （P95987） Small ribosomal subunit protein eS4 × 1 （Q9UX94） Small ribosomal subunit protein uS5 × 1 （Q9UX87） Small ribosomal subunit protein eS6 × 1 （Q980A6） Small ribosomal subunit protein uS7 × 1 （P35026） Small ribosomal subunit protein eS8 × 1 （Q980W3） Small ribosomal subunit protein uS9 × 1 （P95992） Small ribosomal subunit protein uS10 × 1 （P35027） Small ribosomal subunit protein uS11 × 1 （P95988） Small ribosomal subunit protein uS12 × 1 （P39573） Small ribosomal subunit protein uS13 × 1 （P95986） Small ribosomal subunit protein uS14 × 1 （Q97ZQ5） Small ribosomal subunit protein uS15 × 1 （Q980A8） Small ribosomal subunit protein uS17 × 1 （Q9UX98） Small ribosomal subunit protein eS17 × 1 （Q980K7） Small ribosomal subunit protein uS19 × 1 （Q9UXA3） Small ribosomal subunit protein eS19 × 1 （Q980F7） Small ribosomal subunit protein eS24 × 1 （Q97ZY6） Small ribosomal subunit protein eS27 × 1 （Q97Z80） Small ribosomal subunit protein eS28 × 1 （Q980Q5） Small ribosomal subunit protein eS31 × 1 （Q97ZY7） Small ribosomal subunit protein uS3 × 1 （Q9UXA0） Large ribosomal subunit protein eL8 × 1 （P55858） aS34 × 1 （Q97ZK4） Small ribosomal subunit protein eS25 × 1 （Q97ZZ6） aS33 × 1 （D0KTI0） LSU ribosomal protein S30E (Rps30E) × 1 （Q97ZH4） tRNA met initiator × 1 Ss_aIF2beta mRNA × 1 LSU ribosomal protein S26E (Rps26E) × 1 （Q97ZR1） SPERMINE × 43 MAGNESIUM ION × 47 ZINC ION × 9 GUANOSINE-5'-TRIPHOSPHATE × 1 water × 16	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS8_SACS2
Isoform	—
PDB entities	10
Chains and sequence ranges	Author chain I； PDBConstruct 1–133； UniProt 1–133

Small ribosomal subunit protein eS8

OrganismNot specified

UniProt Q980W3

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 32 RNA 3	rRNA 16S × 1 Small ribosomal subunit protein eS1 × 1 （Q9UXD4） Small ribosomal subunit protein uS2 × 1 （P95993） Small zinc finger protein HVO-2753-like zinc-binding pocket domain-containing protein × 1 （Q980V0） Small ribosomal subunit protein uS4 × 1 （P95987） Small ribosomal subunit protein eS4 × 1 （Q9UX94） Small ribosomal subunit protein uS5 × 1 （Q9UX87） Small ribosomal subunit protein eS6 × 1 （Q980A6） Small ribosomal subunit protein uS7 × 1 （P35026） Small ribosomal subunit protein uS8 × 1 （Q9UX92） Small ribosomal subunit protein uS9 × 1 （P95992） Small ribosomal subunit protein uS10 × 1 （P35027） Small ribosomal subunit protein uS11 × 1 （P95988） Small ribosomal subunit protein uS12 × 1 （P39573） Small ribosomal subunit protein uS13 × 1 （P95986） Small ribosomal subunit protein uS14 × 1 （Q97ZQ5） Small ribosomal subunit protein uS15 × 1 （Q980A8） Small ribosomal subunit protein uS17 × 1 （Q9UX98） Small ribosomal subunit protein eS17 × 1 （Q980K7） Small ribosomal subunit protein uS19 × 1 （Q9UXA3） Small ribosomal subunit protein eS19 × 1 （Q980F7） Small ribosomal subunit protein eS24 × 1 （Q97ZY6） Small ribosomal subunit protein eS27 × 1 （Q97Z80） Small ribosomal subunit protein eS28 × 1 （Q980Q5） Small ribosomal subunit protein eS31 × 1 （Q97ZY7） Small ribosomal subunit protein uS3 × 1 （Q9UXA0） Large ribosomal subunit protein eL8 × 1 （P55858） aS34 × 1 （Q97ZK4） Small ribosomal subunit protein eS25 × 1 （Q97ZZ6） aS33 × 1 （D0KTI0） LSU ribosomal protein S30E (Rps30E) × 1 （Q97ZH4） tRNA met initiator × 1 Ss_aIF2beta mRNA × 1 LSU ribosomal protein S26E (Rps26E) × 1 （Q97ZR1） SPERMINE × 43 MAGNESIUM ION × 47 ZINC ION × 9 GUANOSINE-5'-TRIPHOSPHATE × 1 water × 16	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS8E_SACS2
Isoform	—
PDB entities	11
Chains and sequence ranges	Author chain J； PDBConstruct 1–133； UniProt 1–133

Small ribosomal subunit protein uS9

OrganismNot specified

UniProt P95992

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 32 RNA 3	rRNA 16S × 1 Small ribosomal subunit protein eS1 × 1 （Q9UXD4） Small ribosomal subunit protein uS2 × 1 （P95993） Small zinc finger protein HVO-2753-like zinc-binding pocket domain-containing protein × 1 （Q980V0） Small ribosomal subunit protein uS4 × 1 （P95987） Small ribosomal subunit protein eS4 × 1 （Q9UX94） Small ribosomal subunit protein uS5 × 1 （Q9UX87） Small ribosomal subunit protein eS6 × 1 （Q980A6） Small ribosomal subunit protein uS7 × 1 （P35026） Small ribosomal subunit protein uS8 × 1 （Q9UX92） Small ribosomal subunit protein eS8 × 1 （Q980W3） Small ribosomal subunit protein uS10 × 1 （P35027） Small ribosomal subunit protein uS11 × 1 （P95988） Small ribosomal subunit protein uS12 × 1 （P39573） Small ribosomal subunit protein uS13 × 1 （P95986） Small ribosomal subunit protein uS14 × 1 （Q97ZQ5） Small ribosomal subunit protein uS15 × 1 （Q980A8） Small ribosomal subunit protein uS17 × 1 （Q9UX98） Small ribosomal subunit protein eS17 × 1 （Q980K7） Small ribosomal subunit protein uS19 × 1 （Q9UXA3） Small ribosomal subunit protein eS19 × 1 （Q980F7） Small ribosomal subunit protein eS24 × 1 （Q97ZY6） Small ribosomal subunit protein eS27 × 1 （Q97Z80） Small ribosomal subunit protein eS28 × 1 （Q980Q5） Small ribosomal subunit protein eS31 × 1 （Q97ZY7） Small ribosomal subunit protein uS3 × 1 （Q9UXA0） Large ribosomal subunit protein eL8 × 1 （P55858） aS34 × 1 （Q97ZK4） Small ribosomal subunit protein eS25 × 1 （Q97ZZ6） aS33 × 1 （D0KTI0） LSU ribosomal protein S30E (Rps30E) × 1 （Q97ZH4） tRNA met initiator × 1 Ss_aIF2beta mRNA × 1 LSU ribosomal protein S26E (Rps26E) × 1 （Q97ZR1） SPERMINE × 43 MAGNESIUM ION × 47 ZINC ION × 9 GUANOSINE-5'-TRIPHOSPHATE × 1 water × 16	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS9_SACS2
Isoform	—
PDB entities	12
Chains and sequence ranges	Author chain K； PDBConstruct 1–137； UniProt 1–137

Small ribosomal subunit protein uS10

OrganismNot specified

UniProt P35027

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 32 RNA 3	rRNA 16S × 1 Small ribosomal subunit protein eS1 × 1 （Q9UXD4） Small ribosomal subunit protein uS2 × 1 （P95993） Small zinc finger protein HVO-2753-like zinc-binding pocket domain-containing protein × 1 （Q980V0） Small ribosomal subunit protein uS4 × 1 （P95987） Small ribosomal subunit protein eS4 × 1 （Q9UX94） Small ribosomal subunit protein uS5 × 1 （Q9UX87） Small ribosomal subunit protein eS6 × 1 （Q980A6） Small ribosomal subunit protein uS7 × 1 （P35026） Small ribosomal subunit protein uS8 × 1 （Q9UX92） Small ribosomal subunit protein eS8 × 1 （Q980W3） Small ribosomal subunit protein uS9 × 1 （P95992） Small ribosomal subunit protein uS11 × 1 （P95988） Small ribosomal subunit protein uS12 × 1 （P39573） Small ribosomal subunit protein uS13 × 1 （P95986） Small ribosomal subunit protein uS14 × 1 （Q97ZQ5） Small ribosomal subunit protein uS15 × 1 （Q980A8） Small ribosomal subunit protein uS17 × 1 （Q9UX98） Small ribosomal subunit protein eS17 × 1 （Q980K7） Small ribosomal subunit protein uS19 × 1 （Q9UXA3） Small ribosomal subunit protein eS19 × 1 （Q980F7） Small ribosomal subunit protein eS24 × 1 （Q97ZY6） Small ribosomal subunit protein eS27 × 1 （Q97Z80） Small ribosomal subunit protein eS28 × 1 （Q980Q5） Small ribosomal subunit protein eS31 × 1 （Q97ZY7） Small ribosomal subunit protein uS3 × 1 （Q9UXA0） Large ribosomal subunit protein eL8 × 1 （P55858） aS34 × 1 （Q97ZK4） Small ribosomal subunit protein eS25 × 1 （Q97ZZ6） aS33 × 1 （D0KTI0） LSU ribosomal protein S30E (Rps30E) × 1 （Q97ZH4） tRNA met initiator × 1 Ss_aIF2beta mRNA × 1 LSU ribosomal protein S26E (Rps26E) × 1 （Q97ZR1） SPERMINE × 43 MAGNESIUM ION × 47 ZINC ION × 9 GUANOSINE-5'-TRIPHOSPHATE × 1 water × 16	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS10_SACS2
Isoform	—
PDB entities	13
Chains and sequence ranges	Author chain L； PDBConstruct 1–102； UniProt 1–102

Small ribosomal subunit protein uS11

OrganismNot specified

UniProt P95988

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 32 RNA 3	rRNA 16S × 1 Small ribosomal subunit protein eS1 × 1 （Q9UXD4） Small ribosomal subunit protein uS2 × 1 （P95993） Small zinc finger protein HVO-2753-like zinc-binding pocket domain-containing protein × 1 （Q980V0） Small ribosomal subunit protein uS4 × 1 （P95987） Small ribosomal subunit protein eS4 × 1 （Q9UX94） Small ribosomal subunit protein uS5 × 1 （Q9UX87） Small ribosomal subunit protein eS6 × 1 （Q980A6） Small ribosomal subunit protein uS7 × 1 （P35026） Small ribosomal subunit protein uS8 × 1 （Q9UX92） Small ribosomal subunit protein eS8 × 1 （Q980W3） Small ribosomal subunit protein uS9 × 1 （P95992） Small ribosomal subunit protein uS10 × 1 （P35027） Small ribosomal subunit protein uS12 × 1 （P39573） Small ribosomal subunit protein uS13 × 1 （P95986） Small ribosomal subunit protein uS14 × 1 （Q97ZQ5） Small ribosomal subunit protein uS15 × 1 （Q980A8） Small ribosomal subunit protein uS17 × 1 （Q9UX98） Small ribosomal subunit protein eS17 × 1 （Q980K7） Small ribosomal subunit protein uS19 × 1 （Q9UXA3） Small ribosomal subunit protein eS19 × 1 （Q980F7） Small ribosomal subunit protein eS24 × 1 （Q97ZY6） Small ribosomal subunit protein eS27 × 1 （Q97Z80） Small ribosomal subunit protein eS28 × 1 （Q980Q5） Small ribosomal subunit protein eS31 × 1 （Q97ZY7） Small ribosomal subunit protein uS3 × 1 （Q9UXA0） Large ribosomal subunit protein eL8 × 1 （P55858） aS34 × 1 （Q97ZK4） Small ribosomal subunit protein eS25 × 1 （Q97ZZ6） aS33 × 1 （D0KTI0） LSU ribosomal protein S30E (Rps30E) × 1 （Q97ZH4） tRNA met initiator × 1 Ss_aIF2beta mRNA × 1 LSU ribosomal protein S26E (Rps26E) × 1 （Q97ZR1） SPERMINE × 43 MAGNESIUM ION × 47 ZINC ION × 9 GUANOSINE-5'-TRIPHOSPHATE × 1 water × 16	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS11_SACS2
Isoform	—
PDB entities	14
Chains and sequence ranges	Author chain M； PDBConstruct 1–132； UniProt 1–132

Small ribosomal subunit protein uS12

OrganismNot specified

UniProt P39573

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 32 RNA 3	rRNA 16S × 1 Small ribosomal subunit protein eS1 × 1 （Q9UXD4） Small ribosomal subunit protein uS2 × 1 （P95993） Small zinc finger protein HVO-2753-like zinc-binding pocket domain-containing protein × 1 （Q980V0） Small ribosomal subunit protein uS4 × 1 （P95987） Small ribosomal subunit protein eS4 × 1 （Q9UX94） Small ribosomal subunit protein uS5 × 1 （Q9UX87） Small ribosomal subunit protein eS6 × 1 （Q980A6） Small ribosomal subunit protein uS7 × 1 （P35026） Small ribosomal subunit protein uS8 × 1 （Q9UX92） Small ribosomal subunit protein eS8 × 1 （Q980W3） Small ribosomal subunit protein uS9 × 1 （P95992） Small ribosomal subunit protein uS10 × 1 （P35027） Small ribosomal subunit protein uS11 × 1 （P95988） Small ribosomal subunit protein uS13 × 1 （P95986） Small ribosomal subunit protein uS14 × 1 （Q97ZQ5） Small ribosomal subunit protein uS15 × 1 （Q980A8） Small ribosomal subunit protein uS17 × 1 （Q9UX98） Small ribosomal subunit protein eS17 × 1 （Q980K7） Small ribosomal subunit protein uS19 × 1 （Q9UXA3） Small ribosomal subunit protein eS19 × 1 （Q980F7） Small ribosomal subunit protein eS24 × 1 （Q97ZY6） Small ribosomal subunit protein eS27 × 1 （Q97Z80） Small ribosomal subunit protein eS28 × 1 （Q980Q5） Small ribosomal subunit protein eS31 × 1 （Q97ZY7） Small ribosomal subunit protein uS3 × 1 （Q9UXA0） Large ribosomal subunit protein eL8 × 1 （P55858） aS34 × 1 （Q97ZK4） Small ribosomal subunit protein eS25 × 1 （Q97ZZ6） aS33 × 1 （D0KTI0） LSU ribosomal protein S30E (Rps30E) × 1 （Q97ZH4） tRNA met initiator × 1 Ss_aIF2beta mRNA × 1 LSU ribosomal protein S26E (Rps26E) × 1 （Q97ZR1） SPERMINE × 43 MAGNESIUM ION × 47 ZINC ION × 9 GUANOSINE-5'-TRIPHOSPHATE × 1 water × 16	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS12_SACS2
Isoform	—
PDB entities	15
Chains and sequence ranges	Author chain N； PDBConstruct 1–147； UniProt 1–147

Small ribosomal subunit protein uS13

OrganismNot specified

UniProt P95986

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 32 RNA 3	rRNA 16S × 1 Small ribosomal subunit protein eS1 × 1 （Q9UXD4） Small ribosomal subunit protein uS2 × 1 （P95993） Small zinc finger protein HVO-2753-like zinc-binding pocket domain-containing protein × 1 （Q980V0） Small ribosomal subunit protein uS4 × 1 （P95987） Small ribosomal subunit protein eS4 × 1 （Q9UX94） Small ribosomal subunit protein uS5 × 1 （Q9UX87） Small ribosomal subunit protein eS6 × 1 （Q980A6） Small ribosomal subunit protein uS7 × 1 （P35026） Small ribosomal subunit protein uS8 × 1 （Q9UX92） Small ribosomal subunit protein eS8 × 1 （Q980W3） Small ribosomal subunit protein uS9 × 1 （P95992） Small ribosomal subunit protein uS10 × 1 （P35027） Small ribosomal subunit protein uS11 × 1 （P95988） Small ribosomal subunit protein uS12 × 1 （P39573） Small ribosomal subunit protein uS14 × 1 （Q97ZQ5） Small ribosomal subunit protein uS15 × 1 （Q980A8） Small ribosomal subunit protein uS17 × 1 （Q9UX98） Small ribosomal subunit protein eS17 × 1 （Q980K7） Small ribosomal subunit protein uS19 × 1 （Q9UXA3） Small ribosomal subunit protein eS19 × 1 （Q980F7） Small ribosomal subunit protein eS24 × 1 （Q97ZY6） Small ribosomal subunit protein eS27 × 1 （Q97Z80） Small ribosomal subunit protein eS28 × 1 （Q980Q5） Small ribosomal subunit protein eS31 × 1 （Q97ZY7） Small ribosomal subunit protein uS3 × 1 （Q9UXA0） Large ribosomal subunit protein eL8 × 1 （P55858） aS34 × 1 （Q97ZK4） Small ribosomal subunit protein eS25 × 1 （Q97ZZ6） aS33 × 1 （D0KTI0） LSU ribosomal protein S30E (Rps30E) × 1 （Q97ZH4） tRNA met initiator × 1 Ss_aIF2beta mRNA × 1 LSU ribosomal protein S26E (Rps26E) × 1 （Q97ZR1） SPERMINE × 43 MAGNESIUM ION × 47 ZINC ION × 9 GUANOSINE-5'-TRIPHOSPHATE × 1 water × 16	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS13_SACS2
Isoform	—
PDB entities	16
Chains and sequence ranges	Author chain O； PDBConstruct 1–165； UniProt 1–165

Small ribosomal subunit protein uS14

OrganismNot specified

UniProt Q97ZQ5

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 32 RNA 3	rRNA 16S × 1 Small ribosomal subunit protein eS1 × 1 （Q9UXD4） Small ribosomal subunit protein uS2 × 1 （P95993） Small zinc finger protein HVO-2753-like zinc-binding pocket domain-containing protein × 1 （Q980V0） Small ribosomal subunit protein uS4 × 1 （P95987） Small ribosomal subunit protein eS4 × 1 （Q9UX94） Small ribosomal subunit protein uS5 × 1 （Q9UX87） Small ribosomal subunit protein eS6 × 1 （Q980A6） Small ribosomal subunit protein uS7 × 1 （P35026） Small ribosomal subunit protein uS8 × 1 （Q9UX92） Small ribosomal subunit protein eS8 × 1 （Q980W3） Small ribosomal subunit protein uS9 × 1 （P95992） Small ribosomal subunit protein uS10 × 1 （P35027） Small ribosomal subunit protein uS11 × 1 （P95988） Small ribosomal subunit protein uS12 × 1 （P39573） Small ribosomal subunit protein uS13 × 1 （P95986） Small ribosomal subunit protein uS15 × 1 （Q980A8） Small ribosomal subunit protein uS17 × 1 （Q9UX98） Small ribosomal subunit protein eS17 × 1 （Q980K7） Small ribosomal subunit protein uS19 × 1 （Q9UXA3） Small ribosomal subunit protein eS19 × 1 （Q980F7） Small ribosomal subunit protein eS24 × 1 （Q97ZY6） Small ribosomal subunit protein eS27 × 1 （Q97Z80） Small ribosomal subunit protein eS28 × 1 （Q980Q5） Small ribosomal subunit protein eS31 × 1 （Q97ZY7） Small ribosomal subunit protein uS3 × 1 （Q9UXA0） Large ribosomal subunit protein eL8 × 1 （P55858） aS34 × 1 （Q97ZK4） Small ribosomal subunit protein eS25 × 1 （Q97ZZ6） aS33 × 1 （D0KTI0） LSU ribosomal protein S30E (Rps30E) × 1 （Q97ZH4） tRNA met initiator × 1 Ss_aIF2beta mRNA × 1 LSU ribosomal protein S26E (Rps26E) × 1 （Q97ZR1） SPERMINE × 43 MAGNESIUM ION × 47 ZINC ION × 9 GUANOSINE-5'-TRIPHOSPHATE × 1 water × 16	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS14Z_SACS2
Isoform	—
PDB entities	17
Chains and sequence ranges	Author chain P； PDBConstruct 1–54； UniProt 1–54

Small ribosomal subunit protein uS15

OrganismNot specified

UniProt Q980A8

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 32 RNA 3	rRNA 16S × 1 Small ribosomal subunit protein eS1 × 1 （Q9UXD4） Small ribosomal subunit protein uS2 × 1 （P95993） Small zinc finger protein HVO-2753-like zinc-binding pocket domain-containing protein × 1 （Q980V0） Small ribosomal subunit protein uS4 × 1 （P95987） Small ribosomal subunit protein eS4 × 1 （Q9UX94） Small ribosomal subunit protein uS5 × 1 （Q9UX87） Small ribosomal subunit protein eS6 × 1 （Q980A6） Small ribosomal subunit protein uS7 × 1 （P35026） Small ribosomal subunit protein uS8 × 1 （Q9UX92） Small ribosomal subunit protein eS8 × 1 （Q980W3） Small ribosomal subunit protein uS9 × 1 （P95992） Small ribosomal subunit protein uS10 × 1 （P35027） Small ribosomal subunit protein uS11 × 1 （P95988） Small ribosomal subunit protein uS12 × 1 （P39573） Small ribosomal subunit protein uS13 × 1 （P95986） Small ribosomal subunit protein uS14 × 1 （Q97ZQ5） Small ribosomal subunit protein uS17 × 1 （Q9UX98） Small ribosomal subunit protein eS17 × 1 （Q980K7） Small ribosomal subunit protein uS19 × 1 （Q9UXA3） Small ribosomal subunit protein eS19 × 1 （Q980F7） Small ribosomal subunit protein eS24 × 1 （Q97ZY6） Small ribosomal subunit protein eS27 × 1 （Q97Z80） Small ribosomal subunit protein eS28 × 1 （Q980Q5） Small ribosomal subunit protein eS31 × 1 （Q97ZY7） Small ribosomal subunit protein uS3 × 1 （Q9UXA0） Large ribosomal subunit protein eL8 × 1 （P55858） aS34 × 1 （Q97ZK4） Small ribosomal subunit protein eS25 × 1 （Q97ZZ6） aS33 × 1 （D0KTI0） LSU ribosomal protein S30E (Rps30E) × 1 （Q97ZH4） tRNA met initiator × 1 Ss_aIF2beta mRNA × 1 LSU ribosomal protein S26E (Rps26E) × 1 （Q97ZR1） SPERMINE × 43 MAGNESIUM ION × 47 ZINC ION × 9 GUANOSINE-5'-TRIPHOSPHATE × 1 water × 16	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS15_SACS2
Isoform	—
PDB entities	18
Chains and sequence ranges	Author chain Q； PDBConstruct 1–152； UniProt 1–152

Small ribosomal subunit protein uS17

OrganismNot specified

UniProt Q9UX98

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 32 RNA 3	rRNA 16S × 1 Small ribosomal subunit protein eS1 × 1 （Q9UXD4） Small ribosomal subunit protein uS2 × 1 （P95993） Small zinc finger protein HVO-2753-like zinc-binding pocket domain-containing protein × 1 （Q980V0） Small ribosomal subunit protein uS4 × 1 （P95987） Small ribosomal subunit protein eS4 × 1 （Q9UX94） Small ribosomal subunit protein uS5 × 1 （Q9UX87） Small ribosomal subunit protein eS6 × 1 （Q980A6） Small ribosomal subunit protein uS7 × 1 （P35026） Small ribosomal subunit protein uS8 × 1 （Q9UX92） Small ribosomal subunit protein eS8 × 1 （Q980W3） Small ribosomal subunit protein uS9 × 1 （P95992） Small ribosomal subunit protein uS10 × 1 （P35027） Small ribosomal subunit protein uS11 × 1 （P95988） Small ribosomal subunit protein uS12 × 1 （P39573） Small ribosomal subunit protein uS13 × 1 （P95986） Small ribosomal subunit protein uS14 × 1 （Q97ZQ5） Small ribosomal subunit protein uS15 × 1 （Q980A8） Small ribosomal subunit protein eS17 × 1 （Q980K7） Small ribosomal subunit protein uS19 × 1 （Q9UXA3） Small ribosomal subunit protein eS19 × 1 （Q980F7） Small ribosomal subunit protein eS24 × 1 （Q97ZY6） Small ribosomal subunit protein eS27 × 1 （Q97Z80） Small ribosomal subunit protein eS28 × 1 （Q980Q5） Small ribosomal subunit protein eS31 × 1 （Q97ZY7） Small ribosomal subunit protein uS3 × 1 （Q9UXA0） Large ribosomal subunit protein eL8 × 1 （P55858） aS34 × 1 （Q97ZK4） Small ribosomal subunit protein eS25 × 1 （Q97ZZ6） aS33 × 1 （D0KTI0） LSU ribosomal protein S30E (Rps30E) × 1 （Q97ZH4） tRNA met initiator × 1 Ss_aIF2beta mRNA × 1 LSU ribosomal protein S26E (Rps26E) × 1 （Q97ZR1） SPERMINE × 43 MAGNESIUM ION × 47 ZINC ION × 9 GUANOSINE-5'-TRIPHOSPHATE × 1 water × 16	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS17_SACS2
Isoform	—
PDB entities	19
Chains and sequence ranges	Author chain R； PDBConstruct 1–114； UniProt 1–114

Small ribosomal subunit protein eS17

OrganismNot specified

UniProt Q980K7

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 32 RNA 3	rRNA 16S × 1 Small ribosomal subunit protein eS1 × 1 （Q9UXD4） Small ribosomal subunit protein uS2 × 1 （P95993） Small zinc finger protein HVO-2753-like zinc-binding pocket domain-containing protein × 1 （Q980V0） Small ribosomal subunit protein uS4 × 1 （P95987） Small ribosomal subunit protein eS4 × 1 （Q9UX94） Small ribosomal subunit protein uS5 × 1 （Q9UX87） Small ribosomal subunit protein eS6 × 1 （Q980A6） Small ribosomal subunit protein uS7 × 1 （P35026） Small ribosomal subunit protein uS8 × 1 （Q9UX92） Small ribosomal subunit protein eS8 × 1 （Q980W3） Small ribosomal subunit protein uS9 × 1 （P95992） Small ribosomal subunit protein uS10 × 1 （P35027） Small ribosomal subunit protein uS11 × 1 （P95988） Small ribosomal subunit protein uS12 × 1 （P39573） Small ribosomal subunit protein uS13 × 1 （P95986） Small ribosomal subunit protein uS14 × 1 （Q97ZQ5） Small ribosomal subunit protein uS15 × 1 （Q980A8） Small ribosomal subunit protein uS17 × 1 （Q9UX98） Small ribosomal subunit protein uS19 × 1 （Q9UXA3） Small ribosomal subunit protein eS19 × 1 （Q980F7） Small ribosomal subunit protein eS24 × 1 （Q97ZY6） Small ribosomal subunit protein eS27 × 1 （Q97Z80） Small ribosomal subunit protein eS28 × 1 （Q980Q5） Small ribosomal subunit protein eS31 × 1 （Q97ZY7） Small ribosomal subunit protein uS3 × 1 （Q9UXA0） Large ribosomal subunit protein eL8 × 1 （P55858） aS34 × 1 （Q97ZK4） Small ribosomal subunit protein eS25 × 1 （Q97ZZ6） aS33 × 1 （D0KTI0） LSU ribosomal protein S30E (Rps30E) × 1 （Q97ZH4） tRNA met initiator × 1 Ss_aIF2beta mRNA × 1 LSU ribosomal protein S26E (Rps26E) × 1 （Q97ZR1） SPERMINE × 43 MAGNESIUM ION × 47 ZINC ION × 9 GUANOSINE-5'-TRIPHOSPHATE × 1 water × 16	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS17E_SACS2
Isoform	—
PDB entities	20
Chains and sequence ranges	Author chain S； PDBConstruct 1–79； UniProt 1–79

Small ribosomal subunit protein uS19

OrganismNot specified

UniProt Q9UXA3

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 32 RNA 3	rRNA 16S × 1 Small ribosomal subunit protein eS1 × 1 （Q9UXD4） Small ribosomal subunit protein uS2 × 1 （P95993） Small zinc finger protein HVO-2753-like zinc-binding pocket domain-containing protein × 1 （Q980V0） Small ribosomal subunit protein uS4 × 1 （P95987） Small ribosomal subunit protein eS4 × 1 （Q9UX94） Small ribosomal subunit protein uS5 × 1 （Q9UX87） Small ribosomal subunit protein eS6 × 1 （Q980A6） Small ribosomal subunit protein uS7 × 1 （P35026） Small ribosomal subunit protein uS8 × 1 （Q9UX92） Small ribosomal subunit protein eS8 × 1 （Q980W3） Small ribosomal subunit protein uS9 × 1 （P95992） Small ribosomal subunit protein uS10 × 1 （P35027） Small ribosomal subunit protein uS11 × 1 （P95988） Small ribosomal subunit protein uS12 × 1 （P39573） Small ribosomal subunit protein uS13 × 1 （P95986） Small ribosomal subunit protein uS14 × 1 （Q97ZQ5） Small ribosomal subunit protein uS15 × 1 （Q980A8） Small ribosomal subunit protein uS17 × 1 （Q9UX98） Small ribosomal subunit protein eS17 × 1 （Q980K7） Small ribosomal subunit protein eS19 × 1 （Q980F7） Small ribosomal subunit protein eS24 × 1 （Q97ZY6） Small ribosomal subunit protein eS27 × 1 （Q97Z80） Small ribosomal subunit protein eS28 × 1 （Q980Q5） Small ribosomal subunit protein eS31 × 1 （Q97ZY7） Small ribosomal subunit protein uS3 × 1 （Q9UXA0） Large ribosomal subunit protein eL8 × 1 （P55858） aS34 × 1 （Q97ZK4） Small ribosomal subunit protein eS25 × 1 （Q97ZZ6） aS33 × 1 （D0KTI0） LSU ribosomal protein S30E (Rps30E) × 1 （Q97ZH4） tRNA met initiator × 1 Ss_aIF2beta mRNA × 1 LSU ribosomal protein S26E (Rps26E) × 1 （Q97ZR1） SPERMINE × 43 MAGNESIUM ION × 47 ZINC ION × 9 GUANOSINE-5'-TRIPHOSPHATE × 1 water × 16	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS19_SACS2
Isoform	—
PDB entities	21
Chains and sequence ranges	Author chain T； PDBConstruct 1–140； UniProt 1–140

Small ribosomal subunit protein eS19

OrganismNot specified

UniProt Q980F7

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 32 RNA 3	rRNA 16S × 1 Small ribosomal subunit protein eS1 × 1 （Q9UXD4） Small ribosomal subunit protein uS2 × 1 （P95993） Small zinc finger protein HVO-2753-like zinc-binding pocket domain-containing protein × 1 （Q980V0） Small ribosomal subunit protein uS4 × 1 （P95987） Small ribosomal subunit protein eS4 × 1 （Q9UX94） Small ribosomal subunit protein uS5 × 1 （Q9UX87） Small ribosomal subunit protein eS6 × 1 （Q980A6） Small ribosomal subunit protein uS7 × 1 （P35026） Small ribosomal subunit protein uS8 × 1 （Q9UX92） Small ribosomal subunit protein eS8 × 1 （Q980W3） Small ribosomal subunit protein uS9 × 1 （P95992） Small ribosomal subunit protein uS10 × 1 （P35027） Small ribosomal subunit protein uS11 × 1 （P95988） Small ribosomal subunit protein uS12 × 1 （P39573） Small ribosomal subunit protein uS13 × 1 （P95986） Small ribosomal subunit protein uS14 × 1 （Q97ZQ5） Small ribosomal subunit protein uS15 × 1 （Q980A8） Small ribosomal subunit protein uS17 × 1 （Q9UX98） Small ribosomal subunit protein eS17 × 1 （Q980K7） Small ribosomal subunit protein uS19 × 1 （Q9UXA3） Small ribosomal subunit protein eS24 × 1 （Q97ZY6） Small ribosomal subunit protein eS27 × 1 （Q97Z80） Small ribosomal subunit protein eS28 × 1 （Q980Q5） Small ribosomal subunit protein eS31 × 1 （Q97ZY7） Small ribosomal subunit protein uS3 × 1 （Q9UXA0） Large ribosomal subunit protein eL8 × 1 （P55858） aS34 × 1 （Q97ZK4） Small ribosomal subunit protein eS25 × 1 （Q97ZZ6） aS33 × 1 （D0KTI0） LSU ribosomal protein S30E (Rps30E) × 1 （Q97ZH4） tRNA met initiator × 1 Ss_aIF2beta mRNA × 1 LSU ribosomal protein S26E (Rps26E) × 1 （Q97ZR1） SPERMINE × 43 MAGNESIUM ION × 47 ZINC ION × 9 GUANOSINE-5'-TRIPHOSPHATE × 1 water × 16	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q980F7_SACS2
Isoform	—
PDB entities	22
Chains and sequence ranges	Author chain U； PDBConstruct 1–158； UniProt 1–158

Small ribosomal subunit protein eS24

OrganismNot specified

UniProt Q97ZY6

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 32 RNA 3	rRNA 16S × 1 Small ribosomal subunit protein eS1 × 1 （Q9UXD4） Small ribosomal subunit protein uS2 × 1 （P95993） Small zinc finger protein HVO-2753-like zinc-binding pocket domain-containing protein × 1 （Q980V0） Small ribosomal subunit protein uS4 × 1 （P95987） Small ribosomal subunit protein eS4 × 1 （Q9UX94） Small ribosomal subunit protein uS5 × 1 （Q9UX87） Small ribosomal subunit protein eS6 × 1 （Q980A6） Small ribosomal subunit protein uS7 × 1 （P35026） Small ribosomal subunit protein uS8 × 1 （Q9UX92） Small ribosomal subunit protein eS8 × 1 （Q980W3） Small ribosomal subunit protein uS9 × 1 （P95992） Small ribosomal subunit protein uS10 × 1 （P35027） Small ribosomal subunit protein uS11 × 1 （P95988） Small ribosomal subunit protein uS12 × 1 （P39573） Small ribosomal subunit protein uS13 × 1 （P95986） Small ribosomal subunit protein uS14 × 1 （Q97ZQ5） Small ribosomal subunit protein uS15 × 1 （Q980A8） Small ribosomal subunit protein uS17 × 1 （Q9UX98） Small ribosomal subunit protein eS17 × 1 （Q980K7） Small ribosomal subunit protein uS19 × 1 （Q9UXA3） Small ribosomal subunit protein eS19 × 1 （Q980F7） Small ribosomal subunit protein eS27 × 1 （Q97Z80） Small ribosomal subunit protein eS28 × 1 （Q980Q5） Small ribosomal subunit protein eS31 × 1 （Q97ZY7） Small ribosomal subunit protein uS3 × 1 （Q9UXA0） Large ribosomal subunit protein eL8 × 1 （P55858） aS34 × 1 （Q97ZK4） Small ribosomal subunit protein eS25 × 1 （Q97ZZ6） aS33 × 1 （D0KTI0） LSU ribosomal protein S30E (Rps30E) × 1 （Q97ZH4） tRNA met initiator × 1 Ss_aIF2beta mRNA × 1 LSU ribosomal protein S26E (Rps26E) × 1 （Q97ZR1） SPERMINE × 43 MAGNESIUM ION × 47 ZINC ION × 9 GUANOSINE-5'-TRIPHOSPHATE × 1 water × 16	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS24_SACS2
Isoform	—
PDB entities	23
Chains and sequence ranges	Author chain V； PDBConstruct 1–120； UniProt 1–120

Small ribosomal subunit protein eS27

OrganismNot specified

UniProt Q97Z80

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 32 RNA 3	rRNA 16S × 1 Small ribosomal subunit protein eS1 × 1 （Q9UXD4） Small ribosomal subunit protein uS2 × 1 （P95993） Small zinc finger protein HVO-2753-like zinc-binding pocket domain-containing protein × 1 （Q980V0） Small ribosomal subunit protein uS4 × 1 （P95987） Small ribosomal subunit protein eS4 × 1 （Q9UX94） Small ribosomal subunit protein uS5 × 1 （Q9UX87） Small ribosomal subunit protein eS6 × 1 （Q980A6） Small ribosomal subunit protein uS7 × 1 （P35026） Small ribosomal subunit protein uS8 × 1 （Q9UX92） Small ribosomal subunit protein eS8 × 1 （Q980W3） Small ribosomal subunit protein uS9 × 1 （P95992） Small ribosomal subunit protein uS10 × 1 （P35027） Small ribosomal subunit protein uS11 × 1 （P95988） Small ribosomal subunit protein uS12 × 1 （P39573） Small ribosomal subunit protein uS13 × 1 （P95986） Small ribosomal subunit protein uS14 × 1 （Q97ZQ5） Small ribosomal subunit protein uS15 × 1 （Q980A8） Small ribosomal subunit protein uS17 × 1 （Q9UX98） Small ribosomal subunit protein eS17 × 1 （Q980K7） Small ribosomal subunit protein uS19 × 1 （Q9UXA3） Small ribosomal subunit protein eS19 × 1 （Q980F7） Small ribosomal subunit protein eS24 × 1 （Q97ZY6） Small ribosomal subunit protein eS28 × 1 （Q980Q5） Small ribosomal subunit protein eS31 × 1 （Q97ZY7） Small ribosomal subunit protein uS3 × 1 （Q9UXA0） Large ribosomal subunit protein eL8 × 1 （P55858） aS34 × 1 （Q97ZK4） Small ribosomal subunit protein eS25 × 1 （Q97ZZ6） aS33 × 1 （D0KTI0） LSU ribosomal protein S30E (Rps30E) × 1 （Q97ZH4） tRNA met initiator × 1 Ss_aIF2beta mRNA × 1 LSU ribosomal protein S26E (Rps26E) × 1 （Q97ZR1） SPERMINE × 43 MAGNESIUM ION × 47 ZINC ION × 9 GUANOSINE-5'-TRIPHOSPHATE × 1 water × 16	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS27_SACS2
Isoform	—
PDB entities	24
Chains and sequence ranges	Author chain W； PDBConstruct 1–66； UniProt 1–66

Small ribosomal subunit protein eS28

OrganismNot specified

UniProt Q980Q5

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 32 RNA 3	rRNA 16S × 1 Small ribosomal subunit protein eS1 × 1 （Q9UXD4） Small ribosomal subunit protein uS2 × 1 （P95993） Small zinc finger protein HVO-2753-like zinc-binding pocket domain-containing protein × 1 （Q980V0） Small ribosomal subunit protein uS4 × 1 （P95987） Small ribosomal subunit protein eS4 × 1 （Q9UX94） Small ribosomal subunit protein uS5 × 1 （Q9UX87） Small ribosomal subunit protein eS6 × 1 （Q980A6） Small ribosomal subunit protein uS7 × 1 （P35026） Small ribosomal subunit protein uS8 × 1 （Q9UX92） Small ribosomal subunit protein eS8 × 1 （Q980W3） Small ribosomal subunit protein uS9 × 1 （P95992） Small ribosomal subunit protein uS10 × 1 （P35027） Small ribosomal subunit protein uS11 × 1 （P95988） Small ribosomal subunit protein uS12 × 1 （P39573） Small ribosomal subunit protein uS13 × 1 （P95986） Small ribosomal subunit protein uS14 × 1 （Q97ZQ5） Small ribosomal subunit protein uS15 × 1 （Q980A8） Small ribosomal subunit protein uS17 × 1 （Q9UX98） Small ribosomal subunit protein eS17 × 1 （Q980K7） Small ribosomal subunit protein uS19 × 1 （Q9UXA3） Small ribosomal subunit protein eS19 × 1 （Q980F7） Small ribosomal subunit protein eS24 × 1 （Q97ZY6） Small ribosomal subunit protein eS27 × 1 （Q97Z80） Small ribosomal subunit protein eS31 × 1 （Q97ZY7） Small ribosomal subunit protein uS3 × 1 （Q9UXA0） Large ribosomal subunit protein eL8 × 1 （P55858） aS34 × 1 （Q97ZK4） Small ribosomal subunit protein eS25 × 1 （Q97ZZ6） aS33 × 1 （D0KTI0） LSU ribosomal protein S30E (Rps30E) × 1 （Q97ZH4） tRNA met initiator × 1 Ss_aIF2beta mRNA × 1 LSU ribosomal protein S26E (Rps26E) × 1 （Q97ZR1） SPERMINE × 43 MAGNESIUM ION × 47 ZINC ION × 9 GUANOSINE-5'-TRIPHOSPHATE × 1 water × 16	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS28_SACS2
Isoform	—
PDB entities	25
Chains and sequence ranges	Author chain X； PDBConstruct 1–83； UniProt 1–83

Small ribosomal subunit protein eS31

OrganismNot specified

UniProt Q97ZY7

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 32 RNA 3	rRNA 16S × 1 Small ribosomal subunit protein eS1 × 1 （Q9UXD4） Small ribosomal subunit protein uS2 × 1 （P95993） Small zinc finger protein HVO-2753-like zinc-binding pocket domain-containing protein × 1 （Q980V0） Small ribosomal subunit protein uS4 × 1 （P95987） Small ribosomal subunit protein eS4 × 1 （Q9UX94） Small ribosomal subunit protein uS5 × 1 （Q9UX87） Small ribosomal subunit protein eS6 × 1 （Q980A6） Small ribosomal subunit protein uS7 × 1 （P35026） Small ribosomal subunit protein uS8 × 1 （Q9UX92） Small ribosomal subunit protein eS8 × 1 （Q980W3） Small ribosomal subunit protein uS9 × 1 （P95992） Small ribosomal subunit protein uS10 × 1 （P35027） Small ribosomal subunit protein uS11 × 1 （P95988） Small ribosomal subunit protein uS12 × 1 （P39573） Small ribosomal subunit protein uS13 × 1 （P95986） Small ribosomal subunit protein uS14 × 1 （Q97ZQ5） Small ribosomal subunit protein uS15 × 1 （Q980A8） Small ribosomal subunit protein uS17 × 1 （Q9UX98） Small ribosomal subunit protein eS17 × 1 （Q980K7） Small ribosomal subunit protein uS19 × 1 （Q9UXA3） Small ribosomal subunit protein eS19 × 1 （Q980F7） Small ribosomal subunit protein eS24 × 1 （Q97ZY6） Small ribosomal subunit protein eS27 × 1 （Q97Z80） Small ribosomal subunit protein eS28 × 1 （Q980Q5） Small ribosomal subunit protein uS3 × 1 （Q9UXA0） Large ribosomal subunit protein eL8 × 1 （P55858） aS34 × 1 （Q97ZK4） Small ribosomal subunit protein eS25 × 1 （Q97ZZ6） aS33 × 1 （D0KTI0） LSU ribosomal protein S30E (Rps30E) × 1 （Q97ZH4） tRNA met initiator × 1 Ss_aIF2beta mRNA × 1 LSU ribosomal protein S26E (Rps26E) × 1 （Q97ZR1） SPERMINE × 43 MAGNESIUM ION × 47 ZINC ION × 9 GUANOSINE-5'-TRIPHOSPHATE × 1 water × 16	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS27A_SACS2
Isoform	—
PDB entities	26
Chains and sequence ranges	Author chain Y； PDBConstruct 1–75； UniProt 1–75

Small ribosomal subunit protein uS3

OrganismNot specified

UniProt Q9UXA0

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 32 RNA 3	rRNA 16S × 1 Small ribosomal subunit protein eS1 × 1 （Q9UXD4） Small ribosomal subunit protein uS2 × 1 （P95993） Small zinc finger protein HVO-2753-like zinc-binding pocket domain-containing protein × 1 （Q980V0） Small ribosomal subunit protein uS4 × 1 （P95987） Small ribosomal subunit protein eS4 × 1 （Q9UX94） Small ribosomal subunit protein uS5 × 1 （Q9UX87） Small ribosomal subunit protein eS6 × 1 （Q980A6） Small ribosomal subunit protein uS7 × 1 （P35026） Small ribosomal subunit protein uS8 × 1 （Q9UX92） Small ribosomal subunit protein eS8 × 1 （Q980W3） Small ribosomal subunit protein uS9 × 1 （P95992） Small ribosomal subunit protein uS10 × 1 （P35027） Small ribosomal subunit protein uS11 × 1 （P95988） Small ribosomal subunit protein uS12 × 1 （P39573） Small ribosomal subunit protein uS13 × 1 （P95986） Small ribosomal subunit protein uS14 × 1 （Q97ZQ5） Small ribosomal subunit protein uS15 × 1 （Q980A8） Small ribosomal subunit protein uS17 × 1 （Q9UX98） Small ribosomal subunit protein eS17 × 1 （Q980K7） Small ribosomal subunit protein uS19 × 1 （Q9UXA3） Small ribosomal subunit protein eS19 × 1 （Q980F7） Small ribosomal subunit protein eS24 × 1 （Q97ZY6） Small ribosomal subunit protein eS27 × 1 （Q97Z80） Small ribosomal subunit protein eS28 × 1 （Q980Q5） Small ribosomal subunit protein eS31 × 1 （Q97ZY7） Large ribosomal subunit protein eL8 × 1 （P55858） aS34 × 1 （Q97ZK4） Small ribosomal subunit protein eS25 × 1 （Q97ZZ6） aS33 × 1 （D0KTI0） LSU ribosomal protein S30E (Rps30E) × 1 （Q97ZH4） tRNA met initiator × 1 Ss_aIF2beta mRNA × 1 LSU ribosomal protein S26E (Rps26E) × 1 （Q97ZR1） SPERMINE × 43 MAGNESIUM ION × 47 ZINC ION × 9 GUANOSINE-5'-TRIPHOSPHATE × 1 water × 16	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS3_SACS2
Isoform	—
PDB entities	27
Chains and sequence ranges	Author chain Z； PDBConstruct 1–229； UniProt 1–229

Large ribosomal subunit protein eL8

OrganismNot specified

UniProt P55858

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 32 RNA 3	rRNA 16S × 1 Small ribosomal subunit protein eS1 × 1 （Q9UXD4） Small ribosomal subunit protein uS2 × 1 （P95993） Small zinc finger protein HVO-2753-like zinc-binding pocket domain-containing protein × 1 （Q980V0） Small ribosomal subunit protein uS4 × 1 （P95987） Small ribosomal subunit protein eS4 × 1 （Q9UX94） Small ribosomal subunit protein uS5 × 1 （Q9UX87） Small ribosomal subunit protein eS6 × 1 （Q980A6） Small ribosomal subunit protein uS7 × 1 （P35026） Small ribosomal subunit protein uS8 × 1 （Q9UX92） Small ribosomal subunit protein eS8 × 1 （Q980W3） Small ribosomal subunit protein uS9 × 1 （P95992） Small ribosomal subunit protein uS10 × 1 （P35027） Small ribosomal subunit protein uS11 × 1 （P95988） Small ribosomal subunit protein uS12 × 1 （P39573） Small ribosomal subunit protein uS13 × 1 （P95986） Small ribosomal subunit protein uS14 × 1 （Q97ZQ5） Small ribosomal subunit protein uS15 × 1 （Q980A8） Small ribosomal subunit protein uS17 × 1 （Q9UX98） Small ribosomal subunit protein eS17 × 1 （Q980K7） Small ribosomal subunit protein uS19 × 1 （Q9UXA3） Small ribosomal subunit protein eS19 × 1 （Q980F7） Small ribosomal subunit protein eS24 × 1 （Q97ZY6） Small ribosomal subunit protein eS27 × 1 （Q97Z80） Small ribosomal subunit protein eS28 × 1 （Q980Q5） Small ribosomal subunit protein eS31 × 1 （Q97ZY7） Small ribosomal subunit protein uS3 × 1 （Q9UXA0） aS34 × 1 （Q97ZK4） Small ribosomal subunit protein eS25 × 1 （Q97ZZ6） aS33 × 1 （D0KTI0） LSU ribosomal protein S30E (Rps30E) × 1 （Q97ZH4） tRNA met initiator × 1 Ss_aIF2beta mRNA × 1 LSU ribosomal protein S26E (Rps26E) × 1 （Q97ZR1） SPERMINE × 43 MAGNESIUM ION × 47 ZINC ION × 9 GUANOSINE-5'-TRIPHOSPHATE × 1 water × 16	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RL7A_SACS2
Isoform	—
PDB entities	28
Chains and sequence ranges	Author chain 3； PDBConstruct 1–127； UniProt 1–127

aS34

OrganismNot specified

UniProt Q97ZK4

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 32 RNA 3	rRNA 16S × 1 Small ribosomal subunit protein eS1 × 1 （Q9UXD4） Small ribosomal subunit protein uS2 × 1 （P95993） Small zinc finger protein HVO-2753-like zinc-binding pocket domain-containing protein × 1 （Q980V0） Small ribosomal subunit protein uS4 × 1 （P95987） Small ribosomal subunit protein eS4 × 1 （Q9UX94） Small ribosomal subunit protein uS5 × 1 （Q9UX87） Small ribosomal subunit protein eS6 × 1 （Q980A6） Small ribosomal subunit protein uS7 × 1 （P35026） Small ribosomal subunit protein uS8 × 1 （Q9UX92） Small ribosomal subunit protein eS8 × 1 （Q980W3） Small ribosomal subunit protein uS9 × 1 （P95992） Small ribosomal subunit protein uS10 × 1 （P35027） Small ribosomal subunit protein uS11 × 1 （P95988） Small ribosomal subunit protein uS12 × 1 （P39573） Small ribosomal subunit protein uS13 × 1 （P95986） Small ribosomal subunit protein uS14 × 1 （Q97ZQ5） Small ribosomal subunit protein uS15 × 1 （Q980A8） Small ribosomal subunit protein uS17 × 1 （Q9UX98） Small ribosomal subunit protein eS17 × 1 （Q980K7） Small ribosomal subunit protein uS19 × 1 （Q9UXA3） Small ribosomal subunit protein eS19 × 1 （Q980F7） Small ribosomal subunit protein eS24 × 1 （Q97ZY6） Small ribosomal subunit protein eS27 × 1 （Q97Z80） Small ribosomal subunit protein eS28 × 1 （Q980Q5） Small ribosomal subunit protein eS31 × 1 （Q97ZY7） Small ribosomal subunit protein uS3 × 1 （Q9UXA0） Large ribosomal subunit protein eL8 × 1 （P55858） Small ribosomal subunit protein eS25 × 1 （Q97ZZ6） aS33 × 1 （D0KTI0） LSU ribosomal protein S30E (Rps30E) × 1 （Q97ZH4） tRNA met initiator × 1 Ss_aIF2beta mRNA × 1 LSU ribosomal protein S26E (Rps26E) × 1 （Q97ZR1） SPERMINE × 43 MAGNESIUM ION × 47 ZINC ION × 9 GUANOSINE-5'-TRIPHOSPHATE × 1 water × 16	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q97ZK4_SACS2
Isoform	—
PDB entities	29
Chains and sequence ranges	Author chain a； PDBConstruct 1–72； UniProt 1–72

Small ribosomal subunit protein eS25

OrganismNot specified

UniProt Q97ZZ6

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 32 RNA 3	rRNA 16S × 1 Small ribosomal subunit protein eS1 × 1 （Q9UXD4） Small ribosomal subunit protein uS2 × 1 （P95993） Small zinc finger protein HVO-2753-like zinc-binding pocket domain-containing protein × 1 （Q980V0） Small ribosomal subunit protein uS4 × 1 （P95987） Small ribosomal subunit protein eS4 × 1 （Q9UX94） Small ribosomal subunit protein uS5 × 1 （Q9UX87） Small ribosomal subunit protein eS6 × 1 （Q980A6） Small ribosomal subunit protein uS7 × 1 （P35026） Small ribosomal subunit protein uS8 × 1 （Q9UX92） Small ribosomal subunit protein eS8 × 1 （Q980W3） Small ribosomal subunit protein uS9 × 1 （P95992） Small ribosomal subunit protein uS10 × 1 （P35027） Small ribosomal subunit protein uS11 × 1 （P95988） Small ribosomal subunit protein uS12 × 1 （P39573） Small ribosomal subunit protein uS13 × 1 （P95986） Small ribosomal subunit protein uS14 × 1 （Q97ZQ5） Small ribosomal subunit protein uS15 × 1 （Q980A8） Small ribosomal subunit protein uS17 × 1 （Q9UX98） Small ribosomal subunit protein eS17 × 1 （Q980K7） Small ribosomal subunit protein uS19 × 1 （Q9UXA3） Small ribosomal subunit protein eS19 × 1 （Q980F7） Small ribosomal subunit protein eS24 × 1 （Q97ZY6） Small ribosomal subunit protein eS27 × 1 （Q97Z80） Small ribosomal subunit protein eS28 × 1 （Q980Q5） Small ribosomal subunit protein eS31 × 1 （Q97ZY7） Small ribosomal subunit protein uS3 × 1 （Q9UXA0） Large ribosomal subunit protein eL8 × 1 （P55858） aS34 × 1 （Q97ZK4） aS33 × 1 （D0KTI0） LSU ribosomal protein S30E (Rps30E) × 1 （Q97ZH4） tRNA met initiator × 1 Ss_aIF2beta mRNA × 1 LSU ribosomal protein S26E (Rps26E) × 1 （Q97ZR1） SPERMINE × 43 MAGNESIUM ION × 47 ZINC ION × 9 GUANOSINE-5'-TRIPHOSPHATE × 1 water × 16	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS25_SACS2
Isoform	—
PDB entities	30
Chains and sequence ranges	Author chain c； PDBConstruct 1–110； UniProt 1–110

aS33

OrganismNot specified

UniProt D0KTI0

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 32 RNA 3	rRNA 16S × 1 Small ribosomal subunit protein eS1 × 1 （Q9UXD4） Small ribosomal subunit protein uS2 × 1 （P95993） Small zinc finger protein HVO-2753-like zinc-binding pocket domain-containing protein × 1 （Q980V0） Small ribosomal subunit protein uS4 × 1 （P95987） Small ribosomal subunit protein eS4 × 1 （Q9UX94） Small ribosomal subunit protein uS5 × 1 （Q9UX87） Small ribosomal subunit protein eS6 × 1 （Q980A6） Small ribosomal subunit protein uS7 × 1 （P35026） Small ribosomal subunit protein uS8 × 1 （Q9UX92） Small ribosomal subunit protein eS8 × 1 （Q980W3） Small ribosomal subunit protein uS9 × 1 （P95992） Small ribosomal subunit protein uS10 × 1 （P35027） Small ribosomal subunit protein uS11 × 1 （P95988） Small ribosomal subunit protein uS12 × 1 （P39573） Small ribosomal subunit protein uS13 × 1 （P95986） Small ribosomal subunit protein uS14 × 1 （Q97ZQ5） Small ribosomal subunit protein uS15 × 1 （Q980A8） Small ribosomal subunit protein uS17 × 1 （Q9UX98） Small ribosomal subunit protein eS17 × 1 （Q980K7） Small ribosomal subunit protein uS19 × 1 （Q9UXA3） Small ribosomal subunit protein eS19 × 1 （Q980F7） Small ribosomal subunit protein eS24 × 1 （Q97ZY6） Small ribosomal subunit protein eS27 × 1 （Q97Z80） Small ribosomal subunit protein eS28 × 1 （Q980Q5） Small ribosomal subunit protein eS31 × 1 （Q97ZY7） Small ribosomal subunit protein uS3 × 1 （Q9UXA0） Large ribosomal subunit protein eL8 × 1 （P55858） aS34 × 1 （Q97ZK4） Small ribosomal subunit protein eS25 × 1 （Q97ZZ6） LSU ribosomal protein S30E (Rps30E) × 1 （Q97ZH4） tRNA met initiator × 1 Ss_aIF2beta mRNA × 1 LSU ribosomal protein S26E (Rps26E) × 1 （Q97ZR1） SPERMINE × 43 MAGNESIUM ION × 47 ZINC ION × 9 GUANOSINE-5'-TRIPHOSPHATE × 1 water × 16	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	D0KTI0_SACS9
Isoform	—
PDB entities	31
Chains and sequence ranges	Author chain d； PDBConstruct 1–72； UniProt 1–72

LSU ribosomal protein S30E (Rps30E)

OrganismNot specified

UniProt Q97ZH4

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 32 RNA 3	rRNA 16S × 1 Small ribosomal subunit protein eS1 × 1 （Q9UXD4） Small ribosomal subunit protein uS2 × 1 （P95993） Small zinc finger protein HVO-2753-like zinc-binding pocket domain-containing protein × 1 （Q980V0） Small ribosomal subunit protein uS4 × 1 （P95987） Small ribosomal subunit protein eS4 × 1 （Q9UX94） Small ribosomal subunit protein uS5 × 1 （Q9UX87） Small ribosomal subunit protein eS6 × 1 （Q980A6） Small ribosomal subunit protein uS7 × 1 （P35026） Small ribosomal subunit protein uS8 × 1 （Q9UX92） Small ribosomal subunit protein eS8 × 1 （Q980W3） Small ribosomal subunit protein uS9 × 1 （P95992） Small ribosomal subunit protein uS10 × 1 （P35027） Small ribosomal subunit protein uS11 × 1 （P95988） Small ribosomal subunit protein uS12 × 1 （P39573） Small ribosomal subunit protein uS13 × 1 （P95986） Small ribosomal subunit protein uS14 × 1 （Q97ZQ5） Small ribosomal subunit protein uS15 × 1 （Q980A8） Small ribosomal subunit protein uS17 × 1 （Q9UX98） Small ribosomal subunit protein eS17 × 1 （Q980K7） Small ribosomal subunit protein uS19 × 1 （Q9UXA3） Small ribosomal subunit protein eS19 × 1 （Q980F7） Small ribosomal subunit protein eS24 × 1 （Q97ZY6） Small ribosomal subunit protein eS27 × 1 （Q97Z80） Small ribosomal subunit protein eS28 × 1 （Q980Q5） Small ribosomal subunit protein eS31 × 1 （Q97ZY7） Small ribosomal subunit protein uS3 × 1 （Q9UXA0） Large ribosomal subunit protein eL8 × 1 （P55858） aS34 × 1 （Q97ZK4） Small ribosomal subunit protein eS25 × 1 （Q97ZZ6） aS33 × 1 （D0KTI0） tRNA met initiator × 1 Ss_aIF2beta mRNA × 1 LSU ribosomal protein S26E (Rps26E) × 1 （Q97ZR1） SPERMINE × 43 MAGNESIUM ION × 47 ZINC ION × 9 GUANOSINE-5'-TRIPHOSPHATE × 1 water × 16	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q97ZH4_SACS2
Isoform	—
PDB entities	32
Chains and sequence ranges	Author chain e； PDBConstruct 1–52； UniProt 1–52

LSU ribosomal protein S26E (Rps26E)

OrganismNot specified

UniProt Q97ZR1

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 32 RNA 3	rRNA 16S × 1 Small ribosomal subunit protein eS1 × 1 （Q9UXD4） Small ribosomal subunit protein uS2 × 1 （P95993） Small zinc finger protein HVO-2753-like zinc-binding pocket domain-containing protein × 1 （Q980V0） Small ribosomal subunit protein uS4 × 1 （P95987） Small ribosomal subunit protein eS4 × 1 （Q9UX94） Small ribosomal subunit protein uS5 × 1 （Q9UX87） Small ribosomal subunit protein eS6 × 1 （Q980A6） Small ribosomal subunit protein uS7 × 1 （P35026） Small ribosomal subunit protein uS8 × 1 （Q9UX92） Small ribosomal subunit protein eS8 × 1 （Q980W3） Small ribosomal subunit protein uS9 × 1 （P95992） Small ribosomal subunit protein uS10 × 1 （P35027） Small ribosomal subunit protein uS11 × 1 （P95988） Small ribosomal subunit protein uS12 × 1 （P39573） Small ribosomal subunit protein uS13 × 1 （P95986） Small ribosomal subunit protein uS14 × 1 （Q97ZQ5） Small ribosomal subunit protein uS15 × 1 （Q980A8） Small ribosomal subunit protein uS17 × 1 （Q9UX98） Small ribosomal subunit protein eS17 × 1 （Q980K7） Small ribosomal subunit protein uS19 × 1 （Q9UXA3） Small ribosomal subunit protein eS19 × 1 （Q980F7） Small ribosomal subunit protein eS24 × 1 （Q97ZY6） Small ribosomal subunit protein eS27 × 1 （Q97Z80） Small ribosomal subunit protein eS28 × 1 （Q980Q5） Small ribosomal subunit protein eS31 × 1 （Q97ZY7） Small ribosomal subunit protein uS3 × 1 （Q9UXA0） Large ribosomal subunit protein eL8 × 1 （P55858） aS34 × 1 （Q97ZK4） Small ribosomal subunit protein eS25 × 1 （Q97ZZ6） aS33 × 1 （D0KTI0） LSU ribosomal protein S30E (Rps30E) × 1 （Q97ZH4） tRNA met initiator × 1 Ss_aIF2beta mRNA × 1 SPERMINE × 43 MAGNESIUM ION × 47 ZINC ION × 9 GUANOSINE-5'-TRIPHOSPHATE × 1 water × 16	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q97ZR1_SACS2
Isoform	—
PDB entities	35
Chains and sequence ranges	Author chain b； PDBConstruct 1–95； UniProt 1–95

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

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2. Structure Basics 2. Structure Basics

Entry ID entry_id	9fy0
Deposition date deposition_date	2024-07-02
Last revision last_revision	2025-01-15
Structure title title	Cryo-EM structure of Saccharolobus solfataricus 30S initiation complex bound to Ss-aIF2beta leaderless mRNA
Keywords keywords	30S, ribosome, initiation, Translation, Saccharolobus solfataricus, leaderless mRNA; TRANSLATION
Experimental Method method	ELECTRON MICROSCOPY

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3. Official assembly/model SAXS Official SAXS Profiles

This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.

9fy0__assembly_1__model_1

Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

9fy0__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

9fy0__assembly_1__model_1 | P(r) · Pending

P(r) will be calculated and displayed separately for the same assembly/model.

Rg（Guinier）	69.34 Å
Rg (electron density)	71.12 Å
Total Rg	70.97 Å
Atom count	66607
Residues	5561
Excluded volume	1071300 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`9fy0__assembly_1__model_1`	35-meric （35）	Success	4.1.3-1-20251215 (887e7ef)	View Download

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4. Crystallography and Experiment 4. Crystallography & Experiment

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5. Entities and Polymers Entities & Polymers (40)

Entity 1 Entity 1 polymer

Description description	rRNA 16S
Molecular weight formula_weight	486417.9 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polyribonucleotide
Chain IDs strand_id	2
Atom count atom_count	66880

AAAUCCGGUUGAUCCUGCCGGACCCGACCGCUAUCGGGGUGGGGCUAAGCCAUGGGAGUCGUACGCUCCCGGGCAAGGGAGCGUGGCGGACGGCUGAGUAACACGUGGCUAACCUACCCUGAGGAGGGAGAUAACCCCGGGAAACUGGGGAUAAUCUCCCAUAGGCGAGGAGUCCUGGAACGGUUCCUCGCUGAAAGGCUCAUGGGCUAUUCCCCGCUCAUGAGCGCCUCAGGAUGGGGCUGCGGCCCAUCAGGUAGUUGGGGGGGUAAGGGCCCCCCAAGCCUAUAACGGGUAGGGGCCGUGAGAGCGGGAGCCCCCAGUUGGGCACUGAGACAAGGGCCCAGGCCCUACGGGGCGCACCAGGCGCGAAACGUCCCCAAUGCGCGGAAGCGUGAGGGCGCCACCCCGAGUGCUCCCGUAAGGGAGCUUUUCCCCGCUCUACAAAGGCGGGGGAAUAAGCGGGGGGCAAGUCUGGUGUCAGCCGCCGCGGUAAUACCAGCCCCGCGAGUGGUCGGGACUCUUACUGGGCCUAAAGCGCCCGUAGCCGGCCCGACAAGUCACUCCUUAAAGACCCCGGCUCAACCGGGGGAAUGGGGGUGAUACUGUCGGGCUAGGGGGCGGGAGAGGCCAGCGGUACUCCCGGAGUAGGGGCGAAAUCCUCAGAUCUCGGGAGGACCACCAGUGGCGAAAGCGGCUGGCUAGAACGCGCCCGACGGUGAGGGGCGAAAGCCGGGGCAGCAAAAGGGAUUAGAUACCCCUGUAGUCCCGGCUGUAAACAAUGCAGGCUAGGUGUCACAUGGGCUUAGAGCCCAUGUGGUGCCGCAGGGAAGCCGUUAAGCCUGCNGCCUGGGGAGUACGGUCGCAAGACUGAAACUUAAAGGAAUUGGCGGGGGAGCACCACAAGGGGUGGAACCUGCGGCUCAAUUGGAGXCAACGCCUGGAAUCUUACUAGGGGAGACCGCAGGAUGACGGCCAGGCUAACGACCUUGCCUGACUCGCGGAGAGGAGGUGCAUGGCCGUCGCCAGCUCGUGUUGUGAAAUGUCCUGUUAAGUCAGGCAACGAGCGAGACCCCCACCACUAGUUGGUAUCCUGGUCUCCGGGCCGGGACCACACUAGUGGGACUGCCGGCGUAAGCCGGAGGAGGGAGGGGGCCACGGCAGGUCAGCAUGCCCCGAAACCCCUGGGCCGCACGCGGGUUACAAUGGCAGGGACAGCGGGAUUCCGACCCCGAAAGGGGAAGGUAAUCCCUUAAACCCUGCCGCAGUUGGGAUCGAGGGCUGAAACUCGCCCUCGUGAACGAGGAAUCCCUAGUAACCGCAGAUCAACAAUCUGCGGUGAAUACGUCCCUGCUCCUUGCACACACCGCCCGUCGCUCCACCCGAGUAGGAGAGGGGUGAGGCCCCUUGCCUUUGGGUGGGGGGUCGAGCUUCUCUCCUGCAAGGGGGGAGAAGUCGUAACAAGGUAGNNGUAGGGGAANNUGCGGCUGGAUCACCUCC

Entity 2 Entity 2 polymer

Description description	Small ribosomal subunit protein eS1
Molecular weight formula_weight	23581.2 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A

MSAKGGAIKDKWKMKKWYSVITPKAFGEVSLGSTPAYDITQTIGRRVETTLYDLTGDFSQVYVHLYFKIIGNEGDRLITRFVGHELSRDYLRSLIRRKSSKINSIFDVTTKDGYVVRVKGLVLTTYKCHQSQKTAIRKIINETVSKKASELSFDDFTQEVVFGRLANEIFEAAKKIYPLRKAEIEKTKVLKVPENLGKQVESSSVSSG

Entity 3 Entity 3 polymer

Description description	Small ribosomal subunit protein uS2
Molecular weight formula_weight	26043.2 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B

MKVTNLSEKEERGGELTEAEKEELRKSEKGAIIELLVPVDTYLSAGVHIGTHSCTKYMESFVYRVRAEGLYVLDVRKIDERLRIAAKFLSRYDPQDIIVVASRPYAYRPVQKFAEVVGSRALVGRIIPGTFTNPYLSTYIEPKVLLVSDPRTDTQAIKEAAKVGIPIVAFADTDAKIDYIDLIIPANNKGRKSLALLYWALARQILRERRVIPPDGDLAVPVSEFEMRLVQ

Entity 4 Entity 4 polymer

Description description	Small zinc finger protein HVO-2753-like zinc-binding pocket domain-containing protein
Molecular weight formula_weight	7352.7 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	C

MSVKLSIREEVEPPICSSCGKIIHPREKGVEFYCPNCGEVLIRRDHMCRKQGAEYICPNCGFKGP

Entity 5 Entity 5 polymer

Description description	Small ribosomal subunit protein uS4
Molecular weight formula_weight	20784.1 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	D

MGDPKKSRKKWETPGHPWIKERIGYEQELLGKYGLRNKREIWIAQSIIRKFRHQARSLLALPPAERAVREKQLVGKLLKMGLLKKETATVDDILSLTEQDLLERRLQTIVYKKGLSNTIYQARQLITHGHIAVNGKRVTSPGYIVNVDEENLIDYYVTSSFKSRPPVMSQQEGGEIGVKQA

Entity 6 Entity 6 polymer

Description description	Small ribosomal subunit protein eS4
Molecular weight formula_weight	27564.2 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	E

MAHITRFEAPWFLMISKKQYKWTVRPNAGPHSIEKSIPLAVVIRDYLKLAGTIREAKHIIFDGKVLVDGKVRKDYKYPVGLMDIVSIPSADLYFRVLPDNVRFMRFSKISADEARYKYVRIINKTTIKEGRIQLNLEDGRNILVDKETAKNFKTLMTLKIELPSQQILDSFTISERSYAIFVGGRNVGIHGIVKNINLSKFKSRKYSVITLESRDGNTYQTNIMNVMSIGREKSDLRVD

Entity 7 Entity 7 polymer

Description description	Small ribosomal subunit protein uS5
Molecular weight formula_weight	23718.6 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	F

MAEEVPSLNIEEWKPRTSIGSLVKEGKISSIKELFDRNLPITEPEIVDVLLPKLKYEVVDIKVVQKQTDAGEISRYKVLVIMGNMDGYVSIGTGKAKQLRVAIQKAIRDAKMNIIPVRRGCGSWQCTCGEPHSLPFKVVGKAGSVEVDLLPAPKGTGLVVGSVLKTLLTYAGIKDAWSTTKGETRTTENFVRAGYSALYNTYKFVTLQDWVRKR

Entity 8 Entity 8 polymer

Description description	Small ribosomal subunit protein eS6
Molecular weight formula_weight	23757.4 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	G

MPDFKIVISDPQSVEPKRIKVKVKASDQVKSITGEKDGKAVPQAKVNEKTKQLLNVDTLLTLEITKQEGDKKVKVKGHFKVDVDNSVPDNEVWISKTMAEKFGAEDFEAFAYRTKTLQISVDQNKATNLVGLKIGDVFEANQLIGLPVKLKITGGSDNSGFPMRFDVIGAAKRKILLSGPPGFYPNENGERRRKTIRGNTISQEIVQINTIIVR

Entity 9 Entity 9 polymer

Description description	Small ribosomal subunit protein uS7
Molecular weight formula_weight	22035.7 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	H

MSLENLQLDIKVFGKWDTKVEIRDPSLKKYISLMPVYLPHTGGRHEHRRFGKAKVPIVERLINQIMRPGRNKGKKHLAYNIVKLAFDIIYLKTGQNPIQVLVRAIENSAPREEVTRIMYGGIVYYVAVDVSPQRRIDLALRHIATGAKDASFNNPKPIEEVLAEEIIAAANNDSKSFAIKRKEEIERIALSSR

Entity 10 Entity 10 polymer

Description description	Small ribosomal subunit protein uS8
Molecular weight formula_weight	15083.8 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	I

MVFVNPLANALTSIYNNEMRRNKQAIIMPASKLVINVLRVMQKEGYVGEFEYIDDGRWGKITVQLLGRVNKCGPITPRYPLSYRQMIALPDYVRRYLPSKEIGIIIVSTSKGVMSHKEAARLRIGGVALGYVY

Entity 11 Entity 11 polymer

Description description	Small ribosomal subunit protein eS8
Molecular weight formula_weight	14686.0 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	J

MGFYQGPDNRKITGGLKGKHRDKRKYEIGNPPTFTTLSAEDIRIKDRTLGGNFKVRLKYTTTANVLDPATNTAKKVKILEILETPANKELARRGIIIRGAKIRTEAGLAVVTSRPGQDGVINAVLLKNESQRS

Entity 12 Entity 12 polymer

Description description	Small ribosomal subunit protein uS9
Molecular weight formula_weight	15732.5 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	K

MSEEQKLVISSARRKTARATCYIYAGKGRVFVNNVPIELIPIEMVRLKIMEPLLLAGNDIRSKIDAKIITYGGGIMGQADAARMALARALVKFTGSKELEKIYRAYDRTMLAGDPRQTESEKWMRYSARRWRQKSYR

Entity 13 Entity 13 polymer

Description description	Small ribosomal subunit protein uS10
Molecular weight formula_weight	12133.4 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	L

MPTKARIRLWSTNVENLNYVITQIRGIVEKTGIEMRGPIPLPTSKLEVPIMRLPHGEGRKKWEKWEMRVHKRLIDIAADERVMRQLMRVRVPEDVYIEIQLI

Entity 14 Entity 14 polymer

Description description	Small ribosomal subunit protein uS11
Molecular weight formula_weight	14065.2 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	M

MSSRREIRWGIAHIYASQNNTLLTISDLTGAEIISRASGGMVVKADREKSSPYAAMLAANKAASDALEKGIMALHIKVRAPGGYGSKTPGPGAQPAIRALARAGFIIGRIEDVTPIPHDTIRRPGGRRGRRV

Entity 15 Entity 15 polymer

Description description	Small ribosomal subunit protein uS12
Molecular weight formula_weight	16381.6 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	N

MVKSKSPKGIYAARKLRLKRLKFRRSQRKYKTKILKLKEKYDPLGGAPMARGIVLEKVGIESRQPNSAVRKCVRVQLVRNGRVVTAFVPGDGGVNFIDEHDEVIITGIGGTLGRSMGDLPGVRYKVIMVNGVSLDALYKGKKQKPVR

Entity 16 Entity 16 polymer

Description description	Small ribosomal subunit protein uS13
Molecular weight formula_weight	18662.4 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	O

MSQQFKYVVRIFGQDVDGTMKLPYALAMVKGIGYNTAKAIIRKLGMDPNARLGELSDAEVKKVESVISDHTIKGLPSWLYNRRKDYESGLDLHLVTSDLIFYVRNDIEREKKSRSWRGVRHSLGLKVRGQRTRTTGRTGMTIGVARKKAAQPQSQQSSSQQQKSS

Entity 17 Entity 17 polymer

Description description	Small ribosomal subunit protein uS14
Molecular weight formula_weight	6416.5 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	P

MGKYKPPAERKYGKGVQSCQRCGSKDSVIQKYGIYLCRQCFREVAYELGFRKYW

Entity 18 Entity 18 polymer

Description description	Small ribosomal subunit protein uS15
Molecular weight formula_weight	17475.5 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	Q

MNKRRAKGKSHSIRPARAGAPKWVRLTREEVEMLVEELAKRGYTPSMIGIILRDQYGIPLVKQIVGKKVTQILEERGLAPQIPEDLFNLIRKAVNVRRHINEYPRDKTAKKGLEEIESKIRRLTRYYKGIGKLPQEWVYDPAKAELLVAGAS

Entity 19 Entity 19 polymer

Description description	Small ribosomal subunit protein uS17
Molecular weight formula_weight	12987.2 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	R

MVSKGKTVKDPGIPNITIPEKVCEDEDCPYHGSLRVRGITLEGVIVKYRGTKAAVIERQYLYYDSKYKRYERRRSRIHAHVPPCINVREGDKVIIGECRPLSKSISFVVLGKVS

Entity 20 Entity 20 polymer

Description description	Small ribosomal subunit protein eS17
Molecular weight formula_weight	9647.1 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	S

MGNIYTKDIKRIVKEIYDRYKDEIKDDYNTNKQIVIRYVDVKSKKVRNRIAGYLTRYYKIMKEKETSPAEEKEEISEEI

Entity 21 Entity 21 polymer

Description description	Small ribosomal subunit protein uS19
Molecular weight formula_weight	16399.3 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	T

MSLEIPPEWKNFKYRGKSIDELLNMPMDEFIKLLPSRQRRSLKRGFTDAQRHLLEKVRKYRREGKFNKTIKTHVRNLVILPELIGLKMAVYNGKEFVEFTVTPEMIGHYLGEYSITTKKVEHGEPGLKATRSSLFLAMKG

Entity 22 Entity 22 polymer

Description description	Small ribosomal subunit protein eS19
Molecular weight formula_weight	18149.4 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	U

MSLIMITAEMVPPDLLIKRLAIYLKENVKTVDPPEWALLAKTASFKERVPDNAEDWWYIRAASLLRKLYVNSIIGIEKTRTIYGGRKRRGTRPEKFVKAPGHVNRLIFQQLEKAGLVQKIKNKGRSLSPKGRSLLDKLALEIFKELAENNTSLKVYLE

Entity 23 Entity 23 polymer

Description description	Small ribosomal subunit protein eS24
Molecular weight formula_weight	13122.2 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	V

MESQAKVKISDKAEGIIERDMQNSVIGRREISLKVYHMGSGTPSRKDIIKAIIQALGSQENLVVVRKISTSYGAGISNVKLHIYKSREILEKVEPKYLLDRDAGTKQKKGGSKGGQGAKG

Entity 24 Entity 24 polymer

Description description	Small ribosomal subunit protein eS27
Molecular weight formula_weight	7396.9 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	W

MMRKLRVLIPEPKSRFLRVKCPNCGNEQTIFSHATFPVRCLSCGTELVYSMGGKAKIVGEVVRIMG

Entity 25 Entity 25 polymer

Description description	Small ribosomal subunit protein eS28
Molecular weight formula_weight	9393.8 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	X

MSEKTQQSQGSSIIEEFGFPAEVIQILDRTGVTGEVTQVRVRVLEGRDKGRILTRNVKGPVRVGDILILRETEREARKITTKR

Entity 26 Entity 26 polymer

Description description	Small ribosomal subunit protein eS31
Molecular weight formula_weight	8703.4 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	Y

MLELNKRKEEAKVAKEQKVKAIVRTYYVIEGNKVKLKNKKCPRCGSIMAHHLKPNERWSCGKCGYTEFIGASKKR

Entity 27 Entity 27 polymer

Description description	Small ribosomal subunit protein uS3
Molecular weight formula_weight	25862.2 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	Z

MPNIKRYFLEKSIVKVKIDEYLAKQYYNAEYAGVEVLKTPIGTRVIIYAGRPSMIIGRGGRNIKQLAQIFEKVFGLENPQITITNVENPELNARVMAFRLAIALEKGYHFRRAAFISMRRIMNAGALGAEIIISGKLTTERARYEKLKEGIVYKSGQQLEKMIDRAIAIAMLKPGIFGVEVVITKPLKIEDKINLKESPSVPQEVSVTNVTFIEESSQKSEEKSEGEKE

Entity 28 Entity 28 polymer

Description description	Large ribosomal subunit protein eL8
Molecular weight formula_weight	13757.9 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	3

MSKASYVKFEVPQDLADKVLEAVRKAKESGKIKKGTNETTKAVERGQAKLVIIAEDVQPEEIVAHLPLLCDEKKIPYVYVSSKKALGEACGLQVATASAAILEPGEAKDLVDEIIKRVNEIKGKTSS

Entity 29 Entity 29 polymer

Description description	aS34
Molecular weight formula_weight	8210.8 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	a

MSIKNRGSNAYGHLGWLTVYCRICNRKLIIGTDILYKCPKCEKKYSAYFCEADKRGLKGKCPYCGTELVPIL

Entity 30 Entity 30 polymer

Description description	Small ribosomal subunit protein eS25
Molecular weight formula_weight	12372.6 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	c

MGGASKKPISTMEKRLKKEAEKQQKAEEKKKGPSKTGKEIISRAVTIDEETKKKVLDEIKKESIITPYALATKSGISISVARKILKELENQNVVKLYSKNRRLEIYIAAS

Entity 31 Entity 31 polymer

Description description	aS33
Molecular weight formula_weight	8392.8 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	d

MEMLKIKLSSGREVEINDDTIAVLNEYVRTQMTLEELSKRLGLSGWEEAYELIKQVPAWVMWSPLPIYKKLA

Entity 32 Entity 32 polymer

Description description	LSU ribosomal protein S30E (Rps30E)
Molecular weight formula_weight	6064.1 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	e

MPSHGSLTKAGKVRSQTPKIQPKEKHKEVPRVRNRKEYEKRVVKARQQAPAR

Entity 33 Entity 33 polymer

Description description	tRNA met initiator
Molecular weight formula_weight	24833.9 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polyribonucleotide
Chain IDs strand_id	4

AGCGGGGUGGAGCAGCCUGGUAGCUCGUCGGGCUCAUAACCCGAAGAUCGUCGGUUCAAAUCCGGCCCCCGCUACCA

Source Source

Source organism organism	Escherichia coli
NCBI taxonomy ID ncbi_taxonomy_id	562
Host organism host_organism	Escherichia coli

Entity 34 Entity 34 polymer

Description description	Ss_aIF2beta mRNA
Molecular weight formula_weight	4518.8 kDa
Source method src_method	syn
Copy count entity_count	1

Polymer Polymer

Polymer type type	polyribonucleotide
Chain IDs strand_id	5

UGAGUUCAGAAAAA

Entity 35 Entity 35 polymer

Description description	LSU ribosomal protein S26E (Rps26E)
Molecular weight formula_weight	10695.6 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	b

MPKKRENRGRRKGDKGHVGYISCDQCGARVPEDKAVCVTKMYSPVDASLASELEKKGAIIARYPVTKCYCVNCAVFLGIIKIRAENERKQKARLR

Entity 36 Entity 36 non-polymer

Description description	SPERMINE
Molecular weight formula_weight	202.3 kDa
Source method src_method	syn
Copy count entity_count	43

Entity 37 Entity 37 non-polymer

Description description	MAGNESIUM ION
Molecular weight formula_weight	24.3 kDa
Source method src_method	syn
Copy count entity_count	47

Entity 38 Entity 38 non-polymer

Description description	ZINC ION
Molecular weight formula_weight	65.4 kDa
Source method src_method	syn
Copy count entity_count	9

Entity 39 Entity 39 non-polymer

Description description	GUANOSINE-5'-TRIPHOSPHATE
Molecular weight formula_weight	523.2 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 40 Entity 40 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	273

▶

Unit-cell length a length_a	1.000 Å
Unit-cell length b length_b	1.000 Å
Unit-cell length c length_c	1.000 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	—

Space group space_group	P 1
Space-group number int_tables_number	1
Crystal system crystal_system	—

Resolution resolution	2.90 Å
Resolution测定Method resolution_method	—
颗粒数 num_particles	43812

Cryo-EM structure of Saccharolobus solfataricus 30S initiation complex bound to Ss-aIF2beta leaderless mRNA

1. Protein Identity and Related Structures Protein Identity & Related Structures

Small ribosomal subunit protein eS1

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Small ribosomal subunit protein uS2

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Small zinc finger protein HVO-2753-like zinc-binding pocket domain-containing protein

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Small ribosomal subunit protein uS4

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Small ribosomal subunit protein eS4

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Small ribosomal subunit protein uS5

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Small ribosomal subunit protein eS6

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Small ribosomal subunit protein uS7

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Small ribosomal subunit protein uS8

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Small ribosomal subunit protein eS8

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer