9sdp

Cryo-EM structure of the Arabidopsis thaliana 40S ribosomal subunit

Method: ELECTRON MICROSCOPY

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

Small ribosomal subunit protein uS2y

OrganismNot specified

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 19 RNA 1	18S RNA × 1 Small ribosomal subunit protein eS1z × 1 （Q9CAV0） Small ribosomal subunit protein uS5w × 1 （Q9SCM3） Small ribosomal subunit protein eS4z × 1 （Q93VH9） Small ribosomal subunit protein eS6y × 1 （P51430） Small ribosomal subunit protein eS7z × 1 （Q9C514） Small ribosomal subunit protein eS8z × 1 （Q93VG5） Small ribosomal subunit protein uS4y × 1 （Q9FLF0） Small ribosomal subunit protein uS17z × 1 （P16181） Small ribosomal subunit protein uS15y × 1 （P59224） Small ribosomal subunit protein uS11x × 1 （P42036） Small ribosomal subunit protein eS21z × 1 （Q9M337） Small ribosomal subunit protein uS8z/uS8w × 1 （P42798） Small ribosomal subunit protein uS12y × 1 （P49201） Small ribosomal subunit protein eS24z × 1 （Q9SS17） Small ribosomal subunit protein eS26x × 1 （Q9LYK9） Small ribosomal subunit protein eS27y × 1 （Q9M2F1） Small ribosomal subunit protein eS30z/eS30y/eS30x × 1 （P49689） Small ribosomal subunit protein eS32 eS32z/eS32y/eS32x/eS32w/eS32v × 1 （P62120） POTASSIUM ION × 3 MAGNESIUM ION × 14 ZINC ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RSSA2_ARATH
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain BA； PDBConstruct 1–280； UniProt 1–280

Small ribosomal subunit protein eS1z

OrganismNot specified

UniProt Q9CAV0

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 19 RNA 1	18S RNA × 1 Small ribosomal subunit protein uS2y × 1 （Q8H173） Small ribosomal subunit protein uS5w × 1 （Q9SCM3） Small ribosomal subunit protein eS4z × 1 （Q93VH9） Small ribosomal subunit protein eS6y × 1 （P51430） Small ribosomal subunit protein eS7z × 1 （Q9C514） Small ribosomal subunit protein eS8z × 1 （Q93VG5） Small ribosomal subunit protein uS4y × 1 （Q9FLF0） Small ribosomal subunit protein uS17z × 1 （P16181） Small ribosomal subunit protein uS15y × 1 （P59224） Small ribosomal subunit protein uS11x × 1 （P42036） Small ribosomal subunit protein eS21z × 1 （Q9M337） Small ribosomal subunit protein uS8z/uS8w × 1 （P42798） Small ribosomal subunit protein uS12y × 1 （P49201） Small ribosomal subunit protein eS24z × 1 （Q9SS17） Small ribosomal subunit protein eS26x × 1 （Q9LYK9） Small ribosomal subunit protein eS27y × 1 （Q9M2F1） Small ribosomal subunit protein eS30z/eS30y/eS30x × 1 （P49689） Small ribosomal subunit protein eS32 eS32z/eS32y/eS32x/eS32w/eS32v × 1 （P62120） POTASSIUM ION × 3 MAGNESIUM ION × 14 ZINC ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS3A1_ARATH
Isoform	—
PDB entities	3
Chains and sequence ranges	Author chain BB； PDBConstruct 1–262； UniProt 1–262

Small ribosomal subunit protein uS5w

OrganismNot specified

UniProt Q9SCM3

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 19 RNA 1	18S RNA × 1 Small ribosomal subunit protein uS2y × 1 （Q8H173） Small ribosomal subunit protein eS1z × 1 （Q9CAV0） Small ribosomal subunit protein eS4z × 1 （Q93VH9） Small ribosomal subunit protein eS6y × 1 （P51430） Small ribosomal subunit protein eS7z × 1 （Q9C514） Small ribosomal subunit protein eS8z × 1 （Q93VG5） Small ribosomal subunit protein uS4y × 1 （Q9FLF0） Small ribosomal subunit protein uS17z × 1 （P16181） Small ribosomal subunit protein uS15y × 1 （P59224） Small ribosomal subunit protein uS11x × 1 （P42036） Small ribosomal subunit protein eS21z × 1 （Q9M337） Small ribosomal subunit protein uS8z/uS8w × 1 （P42798） Small ribosomal subunit protein uS12y × 1 （P49201） Small ribosomal subunit protein eS24z × 1 （Q9SS17） Small ribosomal subunit protein eS26x × 1 （Q9LYK9） Small ribosomal subunit protein eS27y × 1 （Q9M2F1） Small ribosomal subunit protein eS30z/eS30y/eS30x × 1 （P49689） Small ribosomal subunit protein eS32 eS32z/eS32y/eS32x/eS32w/eS32v × 1 （P62120） POTASSIUM ION × 3 MAGNESIUM ION × 14 ZINC ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS24_ARATH
Isoform	—
PDB entities	4
Chains and sequence ranges	Author chain BC； PDBConstruct 1–276； UniProt 1–276

Small ribosomal subunit protein eS4z

OrganismNot specified

UniProt Q93VH9

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 19 RNA 1	18S RNA × 1 Small ribosomal subunit protein uS2y × 1 （Q8H173） Small ribosomal subunit protein eS1z × 1 （Q9CAV0） Small ribosomal subunit protein uS5w × 1 （Q9SCM3） Small ribosomal subunit protein eS6y × 1 （P51430） Small ribosomal subunit protein eS7z × 1 （Q9C514） Small ribosomal subunit protein eS8z × 1 （Q93VG5） Small ribosomal subunit protein uS4y × 1 （Q9FLF0） Small ribosomal subunit protein uS17z × 1 （P16181） Small ribosomal subunit protein uS15y × 1 （P59224） Small ribosomal subunit protein uS11x × 1 （P42036） Small ribosomal subunit protein eS21z × 1 （Q9M337） Small ribosomal subunit protein uS8z/uS8w × 1 （P42798） Small ribosomal subunit protein uS12y × 1 （P49201） Small ribosomal subunit protein eS24z × 1 （Q9SS17） Small ribosomal subunit protein eS26x × 1 （Q9LYK9） Small ribosomal subunit protein eS27y × 1 （Q9M2F1） Small ribosomal subunit protein eS30z/eS30y/eS30x × 1 （P49689） Small ribosomal subunit protein eS32 eS32z/eS32y/eS32x/eS32w/eS32v × 1 （P62120） POTASSIUM ION × 3 MAGNESIUM ION × 14 ZINC ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS41_ARATH
Isoform	—
PDB entities	5
Chains and sequence ranges	Author chain BE； PDBConstruct 1–261； UniProt 1–261

Small ribosomal subunit protein eS6y

OrganismNot specified

UniProt P51430

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 19 RNA 1	18S RNA × 1 Small ribosomal subunit protein uS2y × 1 （Q8H173） Small ribosomal subunit protein eS1z × 1 （Q9CAV0） Small ribosomal subunit protein uS5w × 1 （Q9SCM3） Small ribosomal subunit protein eS4z × 1 （Q93VH9） Small ribosomal subunit protein eS7z × 1 （Q9C514） Small ribosomal subunit protein eS8z × 1 （Q93VG5） Small ribosomal subunit protein uS4y × 1 （Q9FLF0） Small ribosomal subunit protein uS17z × 1 （P16181） Small ribosomal subunit protein uS15y × 1 （P59224） Small ribosomal subunit protein uS11x × 1 （P42036） Small ribosomal subunit protein eS21z × 1 （Q9M337） Small ribosomal subunit protein uS8z/uS8w × 1 （P42798） Small ribosomal subunit protein uS12y × 1 （P49201） Small ribosomal subunit protein eS24z × 1 （Q9SS17） Small ribosomal subunit protein eS26x × 1 （Q9LYK9） Small ribosomal subunit protein eS27y × 1 （Q9M2F1） Small ribosomal subunit protein eS30z/eS30y/eS30x × 1 （P49689） Small ribosomal subunit protein eS32 eS32z/eS32y/eS32x/eS32w/eS32v × 1 （P62120） POTASSIUM ION × 3 MAGNESIUM ION × 14 ZINC ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS62_ARATH
Isoform	—
PDB entities	6
Chains and sequence ranges	Author chain BG； PDBConstruct 1–249； UniProt 1–249

Small ribosomal subunit protein eS7z

OrganismNot specified

UniProt Q9C514

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 19 RNA 1	18S RNA × 1 Small ribosomal subunit protein uS2y × 1 （Q8H173） Small ribosomal subunit protein eS1z × 1 （Q9CAV0） Small ribosomal subunit protein uS5w × 1 （Q9SCM3） Small ribosomal subunit protein eS4z × 1 （Q93VH9） Small ribosomal subunit protein eS6y × 1 （P51430） Small ribosomal subunit protein eS8z × 1 （Q93VG5） Small ribosomal subunit protein uS4y × 1 （Q9FLF0） Small ribosomal subunit protein uS17z × 1 （P16181） Small ribosomal subunit protein uS15y × 1 （P59224） Small ribosomal subunit protein uS11x × 1 （P42036） Small ribosomal subunit protein eS21z × 1 （Q9M337） Small ribosomal subunit protein uS8z/uS8w × 1 （P42798） Small ribosomal subunit protein uS12y × 1 （P49201） Small ribosomal subunit protein eS24z × 1 （Q9SS17） Small ribosomal subunit protein eS26x × 1 （Q9LYK9） Small ribosomal subunit protein eS27y × 1 （Q9M2F1） Small ribosomal subunit protein eS30z/eS30y/eS30x × 1 （P49689） Small ribosomal subunit protein eS32 eS32z/eS32y/eS32x/eS32w/eS32v × 1 （P62120） POTASSIUM ION × 3 MAGNESIUM ION × 14 ZINC ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS71_ARATH
Isoform	—
PDB entities	7
Chains and sequence ranges	Author chain BH； PDBConstruct 1–191； UniProt 1–191

Small ribosomal subunit protein eS8z

OrganismNot specified

UniProt Q93VG5

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 19 RNA 1	18S RNA × 1 Small ribosomal subunit protein uS2y × 1 （Q8H173） Small ribosomal subunit protein eS1z × 1 （Q9CAV0） Small ribosomal subunit protein uS5w × 1 （Q9SCM3） Small ribosomal subunit protein eS4z × 1 （Q93VH9） Small ribosomal subunit protein eS6y × 1 （P51430） Small ribosomal subunit protein eS7z × 1 （Q9C514） Small ribosomal subunit protein uS4y × 1 （Q9FLF0） Small ribosomal subunit protein uS17z × 1 （P16181） Small ribosomal subunit protein uS15y × 1 （P59224） Small ribosomal subunit protein uS11x × 1 （P42036） Small ribosomal subunit protein eS21z × 1 （Q9M337） Small ribosomal subunit protein uS8z/uS8w × 1 （P42798） Small ribosomal subunit protein uS12y × 1 （P49201） Small ribosomal subunit protein eS24z × 1 （Q9SS17） Small ribosomal subunit protein eS26x × 1 （Q9LYK9） Small ribosomal subunit protein eS27y × 1 （Q9M2F1） Small ribosomal subunit protein eS30z/eS30y/eS30x × 1 （P49689） Small ribosomal subunit protein eS32 eS32z/eS32y/eS32x/eS32w/eS32v × 1 （P62120） POTASSIUM ION × 3 MAGNESIUM ION × 14 ZINC ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS81_ARATH
Isoform	—
PDB entities	8
Chains and sequence ranges	Author chain BI； PDBConstruct 1–222； UniProt 1–222

Small ribosomal subunit protein uS4y

OrganismNot specified

UniProt Q9FLF0

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 19 RNA 1	18S RNA × 1 Small ribosomal subunit protein uS2y × 1 （Q8H173） Small ribosomal subunit protein eS1z × 1 （Q9CAV0） Small ribosomal subunit protein uS5w × 1 （Q9SCM3） Small ribosomal subunit protein eS4z × 1 （Q93VH9） Small ribosomal subunit protein eS6y × 1 （P51430） Small ribosomal subunit protein eS7z × 1 （Q9C514） Small ribosomal subunit protein eS8z × 1 （Q93VG5） Small ribosomal subunit protein uS17z × 1 （P16181） Small ribosomal subunit protein uS15y × 1 （P59224） Small ribosomal subunit protein uS11x × 1 （P42036） Small ribosomal subunit protein eS21z × 1 （Q9M337） Small ribosomal subunit protein uS8z/uS8w × 1 （P42798） Small ribosomal subunit protein uS12y × 1 （P49201） Small ribosomal subunit protein eS24z × 1 （Q9SS17） Small ribosomal subunit protein eS26x × 1 （Q9LYK9） Small ribosomal subunit protein eS27y × 1 （Q9M2F1） Small ribosomal subunit protein eS30z/eS30y/eS30x × 1 （P49689） Small ribosomal subunit protein eS32 eS32z/eS32y/eS32x/eS32w/eS32v × 1 （P62120） POTASSIUM ION × 3 MAGNESIUM ION × 14 ZINC ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS92_ARATH
Isoform	—
PDB entities	9
Chains and sequence ranges	Author chain BJ； PDBConstruct 1–197； UniProt 1–197

Small ribosomal subunit protein uS17z

OrganismNot specified

UniProt P16181

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 19 RNA 1	18S RNA × 1 Small ribosomal subunit protein uS2y × 1 （Q8H173） Small ribosomal subunit protein eS1z × 1 （Q9CAV0） Small ribosomal subunit protein uS5w × 1 （Q9SCM3） Small ribosomal subunit protein eS4z × 1 （Q93VH9） Small ribosomal subunit protein eS6y × 1 （P51430） Small ribosomal subunit protein eS7z × 1 （Q9C514） Small ribosomal subunit protein eS8z × 1 （Q93VG5） Small ribosomal subunit protein uS4y × 1 （Q9FLF0） Small ribosomal subunit protein uS15y × 1 （P59224） Small ribosomal subunit protein uS11x × 1 （P42036） Small ribosomal subunit protein eS21z × 1 （Q9M337） Small ribosomal subunit protein uS8z/uS8w × 1 （P42798） Small ribosomal subunit protein uS12y × 1 （P49201） Small ribosomal subunit protein eS24z × 1 （Q9SS17） Small ribosomal subunit protein eS26x × 1 （Q9LYK9） Small ribosomal subunit protein eS27y × 1 （Q9M2F1） Small ribosomal subunit protein eS30z/eS30y/eS30x × 1 （P49689） Small ribosomal subunit protein eS32 eS32z/eS32y/eS32x/eS32w/eS32v × 1 （P62120） POTASSIUM ION × 3 MAGNESIUM ION × 14 ZINC ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS111_ARATH
Isoform	—
PDB entities	10
Chains and sequence ranges	Author chain BL； PDBConstruct 1–160； UniProt 1–160

Small ribosomal subunit protein uS15y

OrganismNot specified

UniProt P59224

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 19 RNA 1	18S RNA × 1 Small ribosomal subunit protein uS2y × 1 （Q8H173） Small ribosomal subunit protein eS1z × 1 （Q9CAV0） Small ribosomal subunit protein uS5w × 1 （Q9SCM3） Small ribosomal subunit protein eS4z × 1 （Q93VH9） Small ribosomal subunit protein eS6y × 1 （P51430） Small ribosomal subunit protein eS7z × 1 （Q9C514） Small ribosomal subunit protein eS8z × 1 （Q93VG5） Small ribosomal subunit protein uS4y × 1 （Q9FLF0） Small ribosomal subunit protein uS17z × 1 （P16181） Small ribosomal subunit protein uS11x × 1 （P42036） Small ribosomal subunit protein eS21z × 1 （Q9M337） Small ribosomal subunit protein uS8z/uS8w × 1 （P42798） Small ribosomal subunit protein uS12y × 1 （P49201） Small ribosomal subunit protein eS24z × 1 （Q9SS17） Small ribosomal subunit protein eS26x × 1 （Q9LYK9） Small ribosomal subunit protein eS27y × 1 （Q9M2F1） Small ribosomal subunit protein eS30z/eS30y/eS30x × 1 （P49689） Small ribosomal subunit protein eS32 eS32z/eS32y/eS32x/eS32w/eS32v × 1 （P62120） POTASSIUM ION × 3 MAGNESIUM ION × 14 ZINC ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS132_ARATH
Isoform	—
PDB entities	11
Chains and sequence ranges	Author chain BN； PDBConstruct 1–151； UniProt 1–151

Small ribosomal subunit protein uS11x

OrganismNot specified

UniProt P42036

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 19 RNA 1	18S RNA × 1 Small ribosomal subunit protein uS2y × 1 （Q8H173） Small ribosomal subunit protein eS1z × 1 （Q9CAV0） Small ribosomal subunit protein uS5w × 1 （Q9SCM3） Small ribosomal subunit protein eS4z × 1 （Q93VH9） Small ribosomal subunit protein eS6y × 1 （P51430） Small ribosomal subunit protein eS7z × 1 （Q9C514） Small ribosomal subunit protein eS8z × 1 （Q93VG5） Small ribosomal subunit protein uS4y × 1 （Q9FLF0） Small ribosomal subunit protein uS17z × 1 （P16181） Small ribosomal subunit protein uS15y × 1 （P59224） Small ribosomal subunit protein eS21z × 1 （Q9M337） Small ribosomal subunit protein uS8z/uS8w × 1 （P42798） Small ribosomal subunit protein uS12y × 1 （P49201） Small ribosomal subunit protein eS24z × 1 （Q9SS17） Small ribosomal subunit protein eS26x × 1 （Q9LYK9） Small ribosomal subunit protein eS27y × 1 （Q9M2F1） Small ribosomal subunit protein eS30z/eS30y/eS30x × 1 （P49689） Small ribosomal subunit protein eS32 eS32z/eS32y/eS32x/eS32w/eS32v × 1 （P62120） POTASSIUM ION × 3 MAGNESIUM ION × 14 ZINC ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS143_ARATH
Isoform	—
PDB entities	12
Chains and sequence ranges	Author chain cS； PDBConstruct 1–150； UniProt 1–150

Small ribosomal subunit protein eS21z

OrganismNot specified

UniProt Q9M337

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 19 RNA 1	18S RNA × 1 Small ribosomal subunit protein uS2y × 1 （Q8H173） Small ribosomal subunit protein eS1z × 1 （Q9CAV0） Small ribosomal subunit protein uS5w × 1 （Q9SCM3） Small ribosomal subunit protein eS4z × 1 （Q93VH9） Small ribosomal subunit protein eS6y × 1 （P51430） Small ribosomal subunit protein eS7z × 1 （Q9C514） Small ribosomal subunit protein eS8z × 1 （Q93VG5） Small ribosomal subunit protein uS4y × 1 （Q9FLF0） Small ribosomal subunit protein uS17z × 1 （P16181） Small ribosomal subunit protein uS15y × 1 （P59224） Small ribosomal subunit protein uS11x × 1 （P42036） Small ribosomal subunit protein uS8z/uS8w × 1 （P42798） Small ribosomal subunit protein uS12y × 1 （P49201） Small ribosomal subunit protein eS24z × 1 （Q9SS17） Small ribosomal subunit protein eS26x × 1 （Q9LYK9） Small ribosomal subunit protein eS27y × 1 （Q9M2F1） Small ribosomal subunit protein eS30z/eS30y/eS30x × 1 （P49689） Small ribosomal subunit protein eS32 eS32z/eS32y/eS32x/eS32w/eS32v × 1 （P62120） POTASSIUM ION × 3 MAGNESIUM ION × 14 ZINC ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS211_ARATH
Isoform	—
PDB entities	13
Chains and sequence ranges	Author chain BV； PDBConstruct 1–82； UniProt 1–82

Small ribosomal subunit protein uS8z/uS8w

OrganismNot specified

UniProt P42798

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 19 RNA 1	18S RNA × 1 Small ribosomal subunit protein uS2y × 1 （Q8H173） Small ribosomal subunit protein eS1z × 1 （Q9CAV0） Small ribosomal subunit protein uS5w × 1 （Q9SCM3） Small ribosomal subunit protein eS4z × 1 （Q93VH9） Small ribosomal subunit protein eS6y × 1 （P51430） Small ribosomal subunit protein eS7z × 1 （Q9C514） Small ribosomal subunit protein eS8z × 1 （Q93VG5） Small ribosomal subunit protein uS4y × 1 （Q9FLF0） Small ribosomal subunit protein uS17z × 1 （P16181） Small ribosomal subunit protein uS15y × 1 （P59224） Small ribosomal subunit protein uS11x × 1 （P42036） Small ribosomal subunit protein eS21z × 1 （Q9M337） Small ribosomal subunit protein uS12y × 1 （P49201） Small ribosomal subunit protein eS24z × 1 （Q9SS17） Small ribosomal subunit protein eS26x × 1 （Q9LYK9） Small ribosomal subunit protein eS27y × 1 （Q9M2F1） Small ribosomal subunit protein eS30z/eS30y/eS30x × 1 （P49689） Small ribosomal subunit protein eS32 eS32z/eS32y/eS32x/eS32w/eS32v × 1 （P62120） POTASSIUM ION × 3 MAGNESIUM ION × 14 ZINC ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	R15A1_ARATH
Isoform	—
PDB entities	14
Chains and sequence ranges	Author chain BW； PDBConstruct 1–130； UniProt 1–130

Small ribosomal subunit protein uS12y

OrganismNot specified

UniProt P49201

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 19 RNA 1	18S RNA × 1 Small ribosomal subunit protein uS2y × 1 （Q8H173） Small ribosomal subunit protein eS1z × 1 （Q9CAV0） Small ribosomal subunit protein uS5w × 1 （Q9SCM3） Small ribosomal subunit protein eS4z × 1 （Q93VH9） Small ribosomal subunit protein eS6y × 1 （P51430） Small ribosomal subunit protein eS7z × 1 （Q9C514） Small ribosomal subunit protein eS8z × 1 （Q93VG5） Small ribosomal subunit protein uS4y × 1 （Q9FLF0） Small ribosomal subunit protein uS17z × 1 （P16181） Small ribosomal subunit protein uS15y × 1 （P59224） Small ribosomal subunit protein uS11x × 1 （P42036） Small ribosomal subunit protein eS21z × 1 （Q9M337） Small ribosomal subunit protein uS8z/uS8w × 1 （P42798） Small ribosomal subunit protein eS24z × 1 （Q9SS17） Small ribosomal subunit protein eS26x × 1 （Q9LYK9） Small ribosomal subunit protein eS27y × 1 （Q9M2F1） Small ribosomal subunit protein eS30z/eS30y/eS30x × 1 （P49689） Small ribosomal subunit protein eS32 eS32z/eS32y/eS32x/eS32w/eS32v × 1 （P62120） POTASSIUM ION × 3 MAGNESIUM ION × 14 ZINC ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS232_ARATH
Isoform	—
PDB entities	15
Chains and sequence ranges	Author chain BX； PDBConstruct 1–142； UniProt 1–142

Small ribosomal subunit protein eS24z

OrganismNot specified

UniProt Q9SS17

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 19 RNA 1	18S RNA × 1 Small ribosomal subunit protein uS2y × 1 （Q8H173） Small ribosomal subunit protein eS1z × 1 （Q9CAV0） Small ribosomal subunit protein uS5w × 1 （Q9SCM3） Small ribosomal subunit protein eS4z × 1 （Q93VH9） Small ribosomal subunit protein eS6y × 1 （P51430） Small ribosomal subunit protein eS7z × 1 （Q9C514） Small ribosomal subunit protein eS8z × 1 （Q93VG5） Small ribosomal subunit protein uS4y × 1 （Q9FLF0） Small ribosomal subunit protein uS17z × 1 （P16181） Small ribosomal subunit protein uS15y × 1 （P59224） Small ribosomal subunit protein uS11x × 1 （P42036） Small ribosomal subunit protein eS21z × 1 （Q9M337） Small ribosomal subunit protein uS8z/uS8w × 1 （P42798） Small ribosomal subunit protein uS12y × 1 （P49201） Small ribosomal subunit protein eS26x × 1 （Q9LYK9） Small ribosomal subunit protein eS27y × 1 （Q9M2F1） Small ribosomal subunit protein eS30z/eS30y/eS30x × 1 （P49689） Small ribosomal subunit protein eS32 eS32z/eS32y/eS32x/eS32w/eS32v × 1 （P62120） POTASSIUM ION × 3 MAGNESIUM ION × 14 ZINC ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS241_ARATH
Isoform	—
PDB entities	16
Chains and sequence ranges	Author chain BY； PDBConstruct 1–133； UniProt 1–133

Small ribosomal subunit protein eS26x

OrganismNot specified

UniProt Q9LYK9

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 19 RNA 1	18S RNA × 1 Small ribosomal subunit protein uS2y × 1 （Q8H173） Small ribosomal subunit protein eS1z × 1 （Q9CAV0） Small ribosomal subunit protein uS5w × 1 （Q9SCM3） Small ribosomal subunit protein eS4z × 1 （Q93VH9） Small ribosomal subunit protein eS6y × 1 （P51430） Small ribosomal subunit protein eS7z × 1 （Q9C514） Small ribosomal subunit protein eS8z × 1 （Q93VG5） Small ribosomal subunit protein uS4y × 1 （Q9FLF0） Small ribosomal subunit protein uS17z × 1 （P16181） Small ribosomal subunit protein uS15y × 1 （P59224） Small ribosomal subunit protein uS11x × 1 （P42036） Small ribosomal subunit protein eS21z × 1 （Q9M337） Small ribosomal subunit protein uS8z/uS8w × 1 （P42798） Small ribosomal subunit protein uS12y × 1 （P49201） Small ribosomal subunit protein eS24z × 1 （Q9SS17） Small ribosomal subunit protein eS27y × 1 （Q9M2F1） Small ribosomal subunit protein eS30z/eS30y/eS30x × 1 （P49689） Small ribosomal subunit protein eS32 eS32z/eS32y/eS32x/eS32w/eS32v × 1 （P62120） POTASSIUM ION × 3 MAGNESIUM ION × 14 ZINC ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS263_ARATH
Isoform	—
PDB entities	17
Chains and sequence ranges	Author chain BZ； PDBConstruct 1–130； UniProt 1–130

Small ribosomal subunit protein eS27y

OrganismNot specified

UniProt Q9M2F1

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 19 RNA 1	18S RNA × 1 Small ribosomal subunit protein uS2y × 1 （Q8H173） Small ribosomal subunit protein eS1z × 1 （Q9CAV0） Small ribosomal subunit protein uS5w × 1 （Q9SCM3） Small ribosomal subunit protein eS4z × 1 （Q93VH9） Small ribosomal subunit protein eS6y × 1 （P51430） Small ribosomal subunit protein eS7z × 1 （Q9C514） Small ribosomal subunit protein eS8z × 1 （Q93VG5） Small ribosomal subunit protein uS4y × 1 （Q9FLF0） Small ribosomal subunit protein uS17z × 1 （P16181） Small ribosomal subunit protein uS15y × 1 （P59224） Small ribosomal subunit protein uS11x × 1 （P42036） Small ribosomal subunit protein eS21z × 1 （Q9M337） Small ribosomal subunit protein uS8z/uS8w × 1 （P42798） Small ribosomal subunit protein uS12y × 1 （P49201） Small ribosomal subunit protein eS24z × 1 （Q9SS17） Small ribosomal subunit protein eS26x × 1 （Q9LYK9） Small ribosomal subunit protein eS30z/eS30y/eS30x × 1 （P49689） Small ribosomal subunit protein eS32 eS32z/eS32y/eS32x/eS32w/eS32v × 1 （P62120） POTASSIUM ION × 3 MAGNESIUM ION × 14 ZINC ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS272_ARATH
Isoform	—
PDB entities	18
Chains and sequence ranges	Author chain Bb； PDBConstruct 1–86； UniProt 1–86

Small ribosomal subunit protein eS30z/eS30y/eS30x

OrganismNot specified

UniProt P49689

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 19 RNA 1	18S RNA × 1 Small ribosomal subunit protein uS2y × 1 （Q8H173） Small ribosomal subunit protein eS1z × 1 （Q9CAV0） Small ribosomal subunit protein uS5w × 1 （Q9SCM3） Small ribosomal subunit protein eS4z × 1 （Q93VH9） Small ribosomal subunit protein eS6y × 1 （P51430） Small ribosomal subunit protein eS7z × 1 （Q9C514） Small ribosomal subunit protein eS8z × 1 （Q93VG5） Small ribosomal subunit protein uS4y × 1 （Q9FLF0） Small ribosomal subunit protein uS17z × 1 （P16181） Small ribosomal subunit protein uS15y × 1 （P59224） Small ribosomal subunit protein uS11x × 1 （P42036） Small ribosomal subunit protein eS21z × 1 （Q9M337） Small ribosomal subunit protein uS8z/uS8w × 1 （P42798） Small ribosomal subunit protein uS12y × 1 （P49201） Small ribosomal subunit protein eS24z × 1 （Q9SS17） Small ribosomal subunit protein eS26x × 1 （Q9LYK9） Small ribosomal subunit protein eS27y × 1 （Q9M2F1） Small ribosomal subunit protein eS32 eS32z/eS32y/eS32x/eS32w/eS32v × 1 （P62120） POTASSIUM ION × 3 MAGNESIUM ION × 14 ZINC ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS30_ARATH
Isoform	—
PDB entities	19
Chains and sequence ranges	Author chain Be； PDBConstruct 1–62； UniProt 1–62

Small ribosomal subunit protein eS32 eS32z/eS32y/eS32x/eS32w/eS32v

OrganismNot specified

UniProt P62120

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 19 RNA 1	18S RNA × 1 Small ribosomal subunit protein uS2y × 1 （Q8H173） Small ribosomal subunit protein eS1z × 1 （Q9CAV0） Small ribosomal subunit protein uS5w × 1 （Q9SCM3） Small ribosomal subunit protein eS4z × 1 （Q93VH9） Small ribosomal subunit protein eS6y × 1 （P51430） Small ribosomal subunit protein eS7z × 1 （Q9C514） Small ribosomal subunit protein eS8z × 1 （Q93VG5） Small ribosomal subunit protein uS4y × 1 （Q9FLF0） Small ribosomal subunit protein uS17z × 1 （P16181） Small ribosomal subunit protein uS15y × 1 （P59224） Small ribosomal subunit protein uS11x × 1 （P42036） Small ribosomal subunit protein eS21z × 1 （Q9M337） Small ribosomal subunit protein uS8z/uS8w × 1 （P42798） Small ribosomal subunit protein uS12y × 1 （P49201） Small ribosomal subunit protein eS24z × 1 （Q9SS17） Small ribosomal subunit protein eS26x × 1 （Q9LYK9） Small ribosomal subunit protein eS27y × 1 （Q9M2F1） Small ribosomal subunit protein eS30z/eS30y/eS30x × 1 （P49689） POTASSIUM ION × 3 MAGNESIUM ION × 14 ZINC ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RS32_ARATH
Isoform	—
PDB entities	20
Chains and sequence ranges	Author chain Cn； PDBConstruct 1–25； UniProt 1–25

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	9sdp
Deposition date deposition_date	2025-08-14
Structure title title	Cryo-EM structure of the Arabidopsis thaliana 40S ribosomal subunit
Keywords keywords	Arabidopsis, Ribosome, CryoEM; RIBOSOME
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.

9sdp__assembly_1__model_1

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

Download this curve (.dat)

9sdp__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

9sdp__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	59.74 Å
Rg (electron density)	60.93 Å
Total Rg	60.89 Å
Atom count	44802
Residues	3765
Excluded volume	716220 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`9sdp__assembly_1__model_1`	20-meric （20）	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 (23)

Entity 1 Entity 1 polymer

Description description	18S RNA
Molecular weight formula_weight	581965.7 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polyribonucleotide
Chain IDs strand_id	9
Atom count atom_count	44802

UACCUGGUUGAUCCUGCCAGUAGUCAUAUGCUUGUCUCAAAGAUUAAGCCAUGCAUGUGUAAGUAUGAACGAAUUCAGACUGUGAAACUGCGAAUGGCUCAUUAAAUCAGUUAUAGUUUGUUUGAUGGUAACUACUACUCGGAUAACCGUAGUAAUUCUAGAGCUAAUACGUGCAACAAACCCCGACUUAUGGAAGGGACGCAUUUAUUAGAUAAAAGGUCGACGCGGGCUCUGGCUUGCUCUGAUGAUUCAUGAUAACUCGACGGAUCGCAUGGCCUCUGUGCUGGCGACGCAUCAUUCAAAUUUCUGCCCUAUCAACUUUCGAUGGUAGGAUAGUGGCCUACCAUGGUGGUAACGGGUGACGGAGAAUUAGGGUUCGAUUCCGGAGAGGGAGCCUGAGAAACGGCUACCACAUCCAAGGAAGGCAGCAGGCGCGCAAAUUACCCAAUCCUGACACGGGGAGGUAGUGACAAUAAAUAACAAUACCGGGCUCUUUCGAGUCUGGUAAUUGGAAUGAGUACAAUCUAAAUCCCUUAACGAGGAUCCAUUGGAGGGCAAGUCUGGUGCCAGCAGCCGCGGUAAUUCCAGCUCCAAUAGCGUAXAUUUAAGUUGUUGCAGUUAAAAAGCUCGUAGUUGAACCUUGGGAUGGGUCGGCCGGUCCGCCUUUGGUGUGCAUUGGUCGGCUUGUCCCUUCGGUCGGCGAUACGCUCCUGGUCUUAAUUGGCCGGGUCGUGCCUCCGGCGCUGUUACUUUGAAGAAAUUAGAGUGCUCAAAGCAAGCCUACGCUCUGGAUACAUUAGCAUGGGAUAACAUCAUAGGAUUUCGAUCCUAUUGUGUUGGCUUCGGGAUCGGAGUAAUGAUUAACAGGGACAGUCGGGGGCAUUCGUAUUUCAUAGUCAGAGGUGAAAUUCUUGGAUUUAUGAAAGACGAACAACUGCGAAAGCAUUUGCCAAGGAUGUUUUCAUUAAUCAAGAACGAAAGUUGGGGGCUCGAAGACGAUCAGAUACCGUCCUAGUCUCAACCAUAAACGAUGCCGACCAGGGAUCAGCGGAUGUUGCUUAUAGGACUCCGCUGGCACCUUAUGAGAAAUCAAAGUUUUUGGGUUCCGGGGGGAGUAUGGUCGCAAGGCUGAAACUUAAAGGAAUUGACGGAAGGGCACCACCAGGAGUGGAGCCUGCGGCUUAAUUUGACUCAACACGGGGAAACUUACCAGGUCCAGACAUAGUAAGGAUUGACAGACUGAGAGCUCUUUCUUGAUUCUAUGGGUGGUGGUGCAUGGCCGUUCUUAGUUGGUGGAGCGAUUUGUCUGGUUAAUUCCGUUAACGAACGAGACCUCAGCCUGCUAACUAGCUACGUGGAGGCAUCCCUUCACGGCCGGCUUCUUAGAGGGACUAUGGCCGUUUAGGCCAAGGAAGUUUGAGGCAAUAACAGGUCUGUGAUGCCCUUAGAUGUUCUGGGCCGCACGCGCGCUACACUGAUGUAUUCAACGAGUUCACACCUUGCCGACAGGCCCGGGUAAUCUUUGAAAUUUCAUCGUGAUGGGGAUAGAUCAUUGCAAUUGUUGGUCUUCAACGAGGAAUUCCUAGUAAGCGCGAGUCAUCAGCUCGCGUUGACUACGUCCCUGCCCUUUGUACACACCGCCCGUCGCUCCUACCGAUUGAAUGAUCCGGUGAAGUGUUCGGAUCGCGGCGACGUGGGUGGUUCGCCGCCCGCGACGUCGCGAGAAGUCCACUAAACCUUAUCAUUUAGAGGAAGGAGAAGUCGUAACAAGGUUUCNGUAGGUGAACCUGCGGAAGGAUCAUUG

Entity 2 Entity 2 polymer

Description description	Small ribosomal subunit protein uS2y
Molecular weight formula_weight	30682.8 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	BA

MAANGVATAGRQVSEKEADIQMMLSADVHLGTKNCNYQMERYVFKRRDDGIYIINLGKTWDKLQMAARVIVAIENPKDIIVQSARPYGQRAVLKFAQYTGVNAIAGRHTPGTFTNQMQTSFSEPRLLILTDPRTDHQPIKEGALGNIPTIAFCDTDSPMGFVDIGIPANNKGKHSIGCLFWLLARMVLQMRGTILAAQKWDVMVDLFFYREPEEAKQEGDEEAEVQADYGMVGGDQWTTAQISDAAWSGEVEQPISAAPAVGVTVAAGWEAASVPAAGWE

Entity 3 Entity 3 polymer

Description description	Small ribosomal subunit protein eS1z
Molecular weight formula_weight	29906.7 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	BB

MAVGKNKRISKGRKGGKKKAVDPFSKKDWYDVKAPSIFTHRNVGKTLVSRTQGTKIASEGLKHRVFEVSLADLQGDEDNAYRKIRLRAEDVQGRNVLCQFWGMDFTTDKLRSLVKKWQTLIEAHVDVKTTDSYTLRLFCIAFTKRRANQVKRTCYAQSSQIRQIRRKMRDIMVREASSCDLKDLVAKFIPEAIGREIEKATQGIYPLQNVFIRKVKILKAPKFDLGKLMDVHGDYSAEDVGVKVDRPADEMAVEEPTEIIGA

Entity 4 Entity 4 polymer

Description description	Small ribosomal subunit protein uS5w
Molecular weight formula_weight	30169.2 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	BC

MAERGVERGGDRGDFGRGFGGRGGGRGGPRGRGRRAGRAPEEEKWVPVTKLGRLVKEGKITKIEQIYLHSLPVKEYQIIDLLVGPSLKDEVMKIMPVQKQTRAGQRTRFKAFIVVGDSNGHVGLGVKCSKEVATAIRGAIILAKLSVVPIRRGYWGNKIGKPHTVPCKVTGKCGSVTVRMVPAPRGSGIVAARVPKKVLQFAGIDDVFTSSRGSTKTLGNFVKATFDCLQKTYGFLTPEFWKETRFSKSPYQEHTDFLLIPPGVKISEVVVDKSVE

Entity 5 Entity 5 polymer

Description description	Small ribosomal subunit protein eS4z
Molecular weight formula_weight	29862.0 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	BE

MARGLKKHLKRLNAPKHWMLDKLGGAFAPKPSSGPHKSRECLPLVLIIRNRLKYALTYREVISILMQRHIQVDGKVRTDKTYPAGFMDVVSIPKTNENFRLLYDTKGRFRLHSIKDEEAKFKLCKVRSIQFGQKGIPYLNTYDGRTIRYPDPLIKPNDTIKLDLEENKIVEFIKFDVGNVVMVTGGRNRGRVGVIKNREKHKGSFETIHIQDSTGHEFATRLGNVYTIGKGTKPWVSLPKGKGIKLTIIEEARKRLSAQQA

Entity 6 Entity 6 polymer

Description description	Small ribosomal subunit protein eS6y
Molecular weight formula_weight	28228.2 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	BG

MKFNVANPTTGCQKKLEIDDDQKLRAFFDKRLSQEVSGDALGEEFKGYVFKIMGGCDKQGFPMKQGVLTPGRVRLLLHRGTPCFRGHGRRTGERRRKSVRGCIVSPDLSVLNLVIVKKGVSDLPGLTDTEKPRMRGPKRASKIRKLFNLGKEDDVRKYVNTYRRTFTNKKGKKVSKAPKIQRLVTPLTLQRKRARIADKKKRIAKANSDAADYQKLLASRLKEQRDRRSESLAKKRSRLSSAPAKPVAA

Entity 7 Entity 7 polymer

Description description	Small ribosomal subunit protein eS7z
Molecular weight formula_weight	21964.5 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	BH

MFSAQHKIHKEKGVELSELDEQVAQAFFDLENTNQELKSELKDLYVNSAVQVDISGGRKAIVVNVPYRLRKAYRKIHVRLVRELEKKFSGKDVILIATRRIVRPPKKGSAAKRPRNRTLTSVHEAILDDVVLPAEIVGKRTRYRLDGTKIMKVFLDPKERNNTEYKVEAFSAVYKKLTGKDVVFEFPITEA

Entity 8 Entity 8 polymer

Description description	Small ribosomal subunit protein eS8z
Molecular weight formula_weight	25047.8 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	BI

MGISRDSIHKRRATGGKQKQWRKKRKYEMGRQPANTKLSSNKTVRRIRVRGGNVKWRALRLDTGNYSWGSEATTRKTRVLDVVYNASNNELVRTKTLVKSAIVQVDAAPFKQWYLSHYGVELGRKKKSASSTKKDGEEGEEAAVAAPEEVKKSNHLLRKIASRQEGRSLDSHIEDQFASGRLLACISSRPGQCGRADGYILEGKELEFYMKKIQKKKGKGAA

Entity 9 Entity 9 polymer

Description description	Small ribosomal subunit protein uS4y
Molecular weight formula_weight	23207.8 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	BJ

MVNVRFYRNYGKTFKKPRRPYEKERLDAELKLVGEYGLRCKRELWRVQYTLSRIRNAARELLTLDEKNPRRIFEGEALLRRMNRYGLLDETQNKLDYVLALTVENFLERRLQTIVFKSGMAKSIHHARVLIRQRHIRVGRQLVNIPSFMVRVESQKHVDFSLTSPFGGGRPGRVKRRNERAGAKKASGGDGDEDDEE

Entity 10 Entity 10 polymer

Description description	Small ribosomal subunit protein uS17z
Molecular weight formula_weight	17996.2 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	BL

MAEQTEKAFLKQPKVFLSSKKSGKGKRPGKGGNRFWKNIGLGFKTPREAIDGAYVDKKCPFTGTVSIRGRILAGTCHSAKMQRTIIVRRDYLHFVKKYQRYEKRHSNIPAHVSPCFRVKEGDHIIIGQCRPLSKTVRFNVLKVIPAGSSSSFGKKAFTGM

Entity 11 Entity 11 polymer

Description description	Small ribosomal subunit protein uS15y
Molecular weight formula_weight	17123.2 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	BN

MGRMHSRGKGISASALPYKRSSPSWLKTTSQDVDESICKFAKKGLTPSQIGVILRDSHGIPQVKSVTGSKILRILKAHGLAPEIPEDLYHLIKKAVAIRKHLERNRKDKDSKFRLILVESRIHRLARYYKKTKKLPPVWKYESTTASTLVA

Entity 12 Entity 12 polymer

Description description	Small ribosomal subunit protein uS11x
Molecular weight formula_weight	16268.8 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	cS

MSKRKTKEPKVENVTLGPAVREGEQVFGVVHVFASFNDTFIHVTDLSGRETLVRITGGMKVKADRDESSPYAAMLAAQDVAQRCKELGITAIHVKLRATGGNKTKTPGPGAQSALRALARSGMKIGRIEDVTPIPTDSTRRKGGRRGRRL

Entity 13 Entity 13 polymer

Description description	Small ribosomal subunit protein eS21z
Molecular weight formula_weight	9086.2 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	BV

MENDAGQVTELYIPRKCSATNRMITSKDHASVQLNIGHLDANGLYTGQFTTFALCGFVRAQGDADSGVDRLWQKKKVEAKQQ

Entity 14 Entity 14 polymer

Description description	Small ribosomal subunit protein uS8z/uS8w
Molecular weight formula_weight	14829.4 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	BW

MVRISVLNDALKSMYNAEKRGKRQVMIRPSSKVIIKFLIVMQKHGYIGEFEYVDDHRSGKIVVELNGRLNKCGVISPRFDVGVKEIEGWTARLLPSRQFGYIVLTTSAGIMDHEEARRKNVGGKVLGFFY

Entity 15 Entity 15 polymer

Description description	Small ribosomal subunit protein uS12y
Molecular weight formula_weight	15770.6 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	BX

MGKTRGMGAGRKLKRLRINQRWADKQYKKSHLGNEWKKPFAGSSHAKGIVLEKIGIEAKQPNSAIRKCARVQLIKNGKKIAAFVPNDGCLNYIEENDEVLIAGFGRKGHAVGDIPGVRFKVVKVSGVSLLALFKEKKEKPRS

Entity 16 Entity 16 polymer

Description description	Small ribosomal subunit protein eS24z
Molecular weight formula_weight	15412.3 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	BY

MAEKAVTIRTRKFMTNRLLSRKQFVIDVLHPGRANVSKAELKEKLARMYEVKDPNAIFVFKFRTHFGGGKSSGFGLIYDTVESAKKFEPKYRLIRNGLDTKIEKSRKQIKERKNRAKKIRGVKKTKAGDAKKK

Entity 17 Entity 17 polymer

Description description	Small ribosomal subunit protein eS26x
Molecular weight formula_weight	14662.1 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	BZ

MTFKRRNGGRNKHNRGHVKPIRCSNCGKCCPKDKAIKRFIVRNIVEQAAIRDVQEASVYEGYTLPKLYAKTQYCVSCAIHSHVVRVRSRTNRRVRTPPPRFARRKEDTPKPAQPGQAPRPAGGAPAAPRA

Entity 18 Entity 18 polymer

Description description	Small ribosomal subunit protein eS27y
Molecular weight formula_weight	9614.2 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	Bb

MVLQNDIDLLNPPAELEKRKHKLKRLVQSPNSFFMDVKCQGCFNITTVFSHSQTVVVCGNCQTILCQPTGGKAKLTEGCSFRRKGD

Entity 19 Entity 19 polymer

Description description	Small ribosomal subunit protein eS30z/eS30y/eS30x
Molecular weight formula_weight	6910.2 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	Be

MGKVHGSLARAGKVRGQTPKVAKQDKKKKPRGRAHKRLQHNRRFVTAVVGFGKKRGPNSSEK

Entity 20 Entity 20 polymer

Description description	Small ribosomal subunit protein eS32 eS32z/eS32y/eS32x/eS32w/eS32v
Molecular weight formula_weight	3445.4 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	Cn

MRAKWKKKRMRRLKRKRRKMRQRSK

Entity 21 Entity 21 non-polymer

Description description	POTASSIUM ION
Molecular weight formula_weight	39.1 kDa
Source method src_method	syn
Copy count entity_count	3

Entity 22 Entity 22 non-polymer

Description description	MAGNESIUM ION
Molecular weight formula_weight	24.3 kDa
Source method src_method	syn
Copy count entity_count	14

Entity 23 Entity 23 non-polymer

Description description	ZINC ION
Molecular weight formula_weight	65.4 kDa
Source method src_method	syn
Copy count entity_count	1

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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	3.300 Å
Low-resolution limit resolution_low	— Å
R factor r_factor	—
R_work r_work	—
R_free r_free	—

Resolution resolution	3.30 Å
Resolution测定Method resolution_method	—
颗粒数 num_particles	115070

Cryo-EM structure of the Arabidopsis thaliana 40S ribosomal subunit

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

Small ribosomal subunit protein uS2y

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 eS1z

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 uS5w

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 eS4z

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 eS6y

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 eS7z

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 eS8z

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 uS4y

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 uS17z

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 uS15y

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer