2ww9

Cryo-EM structure of the active yeast Ssh1 complex bound to the yeast 80S ribosome

Method: ELECTRON MICROSCOPY

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

SEC SIXTY-ONE PROTEIN HOMOLOG

OrganismNot specified

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 11 RNA 4	PROTEIN TRANSPORT PROTEIN SSS1 × 1 （P35179） PROTEIN TRANSPORT PROTEIN SEB2 × 1 （P52871） 25S RRNA × 1 25S RRNA × 1 25S RRNA × 1 25S RRNA × 1 60S RIBOSOMAL PROTEIN L4-B × 1 （P49626） 60S RIBOSOMAL PROTEIN L17-A × 1 （P05740） 60S RIBOSOMAL PROTEIN L19 × 1 （P05735） 60S RIBOSOMAL PROTEIN L25 × 1 （P04456） 60S RIBOSOMAL PROTEIN L26-A × 1 （P05743） 60S RIBOSOMAL PROTEIN L31-A × 1 （P0C2H8） 60S RIBOSOMAL PROTEIN L35 × 1 （P39741） 60S RIBOSOMAL PROTEIN L39 × 1 （P04650）	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	SSH1_YEAST
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–490； UniProt 1–490

PROTEIN TRANSPORT PROTEIN SSS1

OrganismNot specified

UniProt P35179

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 11 RNA 4	SEC SIXTY-ONE PROTEIN HOMOLOG × 1 （P38353） PROTEIN TRANSPORT PROTEIN SEB2 × 1 （P52871） 25S RRNA × 1 25S RRNA × 1 25S RRNA × 1 25S RRNA × 1 60S RIBOSOMAL PROTEIN L4-B × 1 （P49626） 60S RIBOSOMAL PROTEIN L17-A × 1 （P05740） 60S RIBOSOMAL PROTEIN L19 × 1 （P05735） 60S RIBOSOMAL PROTEIN L25 × 1 （P04456） 60S RIBOSOMAL PROTEIN L26-A × 1 （P05743） 60S RIBOSOMAL PROTEIN L31-A × 1 （P0C2H8） 60S RIBOSOMAL PROTEIN L35 × 1 （P39741） 60S RIBOSOMAL PROTEIN L39 × 1 （P04650）	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	SC61G_YEAST
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain B； PDBConstruct 1–80； UniProt 1–80

PROTEIN TRANSPORT PROTEIN SEB2

OrganismNot specified

UniProt P52871

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 11 RNA 4	SEC SIXTY-ONE PROTEIN HOMOLOG × 1 （P38353） PROTEIN TRANSPORT PROTEIN SSS1 × 1 （P35179） 25S RRNA × 1 25S RRNA × 1 25S RRNA × 1 25S RRNA × 1 60S RIBOSOMAL PROTEIN L4-B × 1 （P49626） 60S RIBOSOMAL PROTEIN L17-A × 1 （P05740） 60S RIBOSOMAL PROTEIN L19 × 1 （P05735） 60S RIBOSOMAL PROTEIN L25 × 1 （P04456） 60S RIBOSOMAL PROTEIN L26-A × 1 （P05743） 60S RIBOSOMAL PROTEIN L31-A × 1 （P0C2H8） 60S RIBOSOMAL PROTEIN L35 × 1 （P39741） 60S RIBOSOMAL PROTEIN L39 × 1 （P04650）	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	SC6B2_YEAST
Isoform	—
PDB entities	3
Chains and sequence ranges	Author chain C； PDBConstruct 1–87； UniProt 1–87

60S RIBOSOMAL PROTEIN L4-B

OrganismNot specified

UniProt P49626

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 11 RNA 4	SEC SIXTY-ONE PROTEIN HOMOLOG × 1 （P38353） PROTEIN TRANSPORT PROTEIN SSS1 × 1 （P35179） PROTEIN TRANSPORT PROTEIN SEB2 × 1 （P52871） 25S RRNA × 1 25S RRNA × 1 25S RRNA × 1 25S RRNA × 1 60S RIBOSOMAL PROTEIN L17-A × 1 （P05740） 60S RIBOSOMAL PROTEIN L19 × 1 （P05735） 60S RIBOSOMAL PROTEIN L25 × 1 （P04456） 60S RIBOSOMAL PROTEIN L26-A × 1 （P05743） 60S RIBOSOMAL PROTEIN L31-A × 1 （P0C2H8） 60S RIBOSOMAL PROTEIN L35 × 1 （P39741） 60S RIBOSOMAL PROTEIN L39 × 1 （P04650）	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RL4B_YEAST
Isoform	—
PDB entities	8
Chains and sequence ranges	Author chain H； PDBConstruct 1–362； UniProt 1–362

60S RIBOSOMAL PROTEIN L17-A

OrganismNot specified

UniProt P05740

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 11 RNA 4	SEC SIXTY-ONE PROTEIN HOMOLOG × 1 （P38353） PROTEIN TRANSPORT PROTEIN SSS1 × 1 （P35179） PROTEIN TRANSPORT PROTEIN SEB2 × 1 （P52871） 25S RRNA × 1 25S RRNA × 1 25S RRNA × 1 25S RRNA × 1 60S RIBOSOMAL PROTEIN L4-B × 1 （P49626） 60S RIBOSOMAL PROTEIN L19 × 1 （P05735） 60S RIBOSOMAL PROTEIN L25 × 1 （P04456） 60S RIBOSOMAL PROTEIN L26-A × 1 （P05743） 60S RIBOSOMAL PROTEIN L31-A × 1 （P0C2H8） 60S RIBOSOMAL PROTEIN L35 × 1 （P39741） 60S RIBOSOMAL PROTEIN L39 × 1 （P04650）	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RL17A_YEAST
Isoform	—
PDB entities	9
Chains and sequence ranges	Author chain I； PDBConstruct 1–184； UniProt 1–184

60S RIBOSOMAL PROTEIN L19

OrganismNot specified

UniProt P05735

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 11 RNA 4	SEC SIXTY-ONE PROTEIN HOMOLOG × 1 （P38353） PROTEIN TRANSPORT PROTEIN SSS1 × 1 （P35179） PROTEIN TRANSPORT PROTEIN SEB2 × 1 （P52871） 25S RRNA × 1 25S RRNA × 1 25S RRNA × 1 25S RRNA × 1 60S RIBOSOMAL PROTEIN L4-B × 1 （P49626） 60S RIBOSOMAL PROTEIN L17-A × 1 （P05740） 60S RIBOSOMAL PROTEIN L25 × 1 （P04456） 60S RIBOSOMAL PROTEIN L26-A × 1 （P05743） 60S RIBOSOMAL PROTEIN L31-A × 1 （P0C2H8） 60S RIBOSOMAL PROTEIN L35 × 1 （P39741） 60S RIBOSOMAL PROTEIN L39 × 1 （P04650）	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RL19_YEAST
Isoform	—
PDB entities	10
Chains and sequence ranges	Author chain J； PDBConstruct 1–189； UniProt 1–189

60S RIBOSOMAL PROTEIN L25

OrganismNot specified

UniProt P04456

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 11 RNA 4	SEC SIXTY-ONE PROTEIN HOMOLOG × 1 （P38353） PROTEIN TRANSPORT PROTEIN SSS1 × 1 （P35179） PROTEIN TRANSPORT PROTEIN SEB2 × 1 （P52871） 25S RRNA × 1 25S RRNA × 1 25S RRNA × 1 25S RRNA × 1 60S RIBOSOMAL PROTEIN L4-B × 1 （P49626） 60S RIBOSOMAL PROTEIN L17-A × 1 （P05740） 60S RIBOSOMAL PROTEIN L19 × 1 （P05735） 60S RIBOSOMAL PROTEIN L26-A × 1 （P05743） 60S RIBOSOMAL PROTEIN L31-A × 1 （P0C2H8） 60S RIBOSOMAL PROTEIN L35 × 1 （P39741） 60S RIBOSOMAL PROTEIN L39 × 1 （P04650）	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RL25_YEAST
Isoform	—
PDB entities	11
Chains and sequence ranges	Author chain K； PDBConstruct 1–142； UniProt 1–142

60S RIBOSOMAL PROTEIN L26-A

OrganismNot specified

UniProt P05743

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 11 RNA 4	SEC SIXTY-ONE PROTEIN HOMOLOG × 1 （P38353） PROTEIN TRANSPORT PROTEIN SSS1 × 1 （P35179） PROTEIN TRANSPORT PROTEIN SEB2 × 1 （P52871） 25S RRNA × 1 25S RRNA × 1 25S RRNA × 1 25S RRNA × 1 60S RIBOSOMAL PROTEIN L4-B × 1 （P49626） 60S RIBOSOMAL PROTEIN L17-A × 1 （P05740） 60S RIBOSOMAL PROTEIN L19 × 1 （P05735） 60S RIBOSOMAL PROTEIN L25 × 1 （P04456） 60S RIBOSOMAL PROTEIN L31-A × 1 （P0C2H8） 60S RIBOSOMAL PROTEIN L35 × 1 （P39741） 60S RIBOSOMAL PROTEIN L39 × 1 （P04650）	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RL26A_YEAST
Isoform	—
PDB entities	12
Chains and sequence ranges	Author chain L； PDBConstruct 1–127； UniProt 1–127

60S RIBOSOMAL PROTEIN L31-A

OrganismNot specified

UniProt P0C2H8

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 11 RNA 4	SEC SIXTY-ONE PROTEIN HOMOLOG × 1 （P38353） PROTEIN TRANSPORT PROTEIN SSS1 × 1 （P35179） PROTEIN TRANSPORT PROTEIN SEB2 × 1 （P52871） 25S RRNA × 1 25S RRNA × 1 25S RRNA × 1 25S RRNA × 1 60S RIBOSOMAL PROTEIN L4-B × 1 （P49626） 60S RIBOSOMAL PROTEIN L17-A × 1 （P05740） 60S RIBOSOMAL PROTEIN L19 × 1 （P05735） 60S RIBOSOMAL PROTEIN L25 × 1 （P04456） 60S RIBOSOMAL PROTEIN L26-A × 1 （P05743） 60S RIBOSOMAL PROTEIN L35 × 1 （P39741） 60S RIBOSOMAL PROTEIN L39 × 1 （P04650）	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RL31A_YEAST
Isoform	—
PDB entities	13
Chains and sequence ranges	Author chain M； PDBConstruct 1–113； UniProt 1–113

60S RIBOSOMAL PROTEIN L35

OrganismNot specified

UniProt P39741

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 11 RNA 4	SEC SIXTY-ONE PROTEIN HOMOLOG × 1 （P38353） PROTEIN TRANSPORT PROTEIN SSS1 × 1 （P35179） PROTEIN TRANSPORT PROTEIN SEB2 × 1 （P52871） 25S RRNA × 1 25S RRNA × 1 25S RRNA × 1 25S RRNA × 1 60S RIBOSOMAL PROTEIN L4-B × 1 （P49626） 60S RIBOSOMAL PROTEIN L17-A × 1 （P05740） 60S RIBOSOMAL PROTEIN L19 × 1 （P05735） 60S RIBOSOMAL PROTEIN L25 × 1 （P04456） 60S RIBOSOMAL PROTEIN L26-A × 1 （P05743） 60S RIBOSOMAL PROTEIN L31-A × 1 （P0C2H8） 60S RIBOSOMAL PROTEIN L39 × 1 （P04650）	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RL35_YEAST
Isoform	—
PDB entities	14
Chains and sequence ranges	Author chain N； PDBConstruct 1–120； UniProt 1–120

60S RIBOSOMAL PROTEIN L39

OrganismNot specified

UniProt P04650

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–RNA	Heteromer	Protein 11 RNA 4	SEC SIXTY-ONE PROTEIN HOMOLOG × 1 （P38353） PROTEIN TRANSPORT PROTEIN SSS1 × 1 （P35179） PROTEIN TRANSPORT PROTEIN SEB2 × 1 （P52871） 25S RRNA × 1 25S RRNA × 1 25S RRNA × 1 25S RRNA × 1 60S RIBOSOMAL PROTEIN L4-B × 1 （P49626） 60S RIBOSOMAL PROTEIN L17-A × 1 （P05740） 60S RIBOSOMAL PROTEIN L19 × 1 （P05735） 60S RIBOSOMAL PROTEIN L25 × 1 （P04456） 60S RIBOSOMAL PROTEIN L26-A × 1 （P05743） 60S RIBOSOMAL PROTEIN L31-A × 1 （P0C2H8） 60S RIBOSOMAL PROTEIN L35 × 1 （P39741）	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RL39_YEAST
Isoform	—
PDB entities	15
Chains and sequence ranges	Author chain O； PDBConstruct 1–51； UniProt 1–51

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	2ww9
Deposition date deposition_date	2009-10-22
Structure title title	Cryo-EM structure of the active yeast Ssh1 complex bound to the yeast 80S ribosome
Keywords keywords	;RIBOSOMAL PROTEIN, RIBONUCLEOPROTEIN, TRANSMEMBRANE, PHOSPHOPROTEIN, SIGNAL SEQUENCE, MEMBRANE, RIBOSOME, TRANSPORT, RNA-BINDING, RRNA-BINDING, TRANSLOCATION, PROTEIN CONDUCTING CHANNEL, PROTEIN EXIT TUNNEL, ENDOPLASMIC RETICULUM, COTRANSLATIONAL PROTEIN TRANSLOCATION, ISOPEPTIDE BOND, PROTEIN TRANSPORT ;; 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.

2ww9__assembly_1__model_1

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

Download this curve (.dat)

2ww9__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2ww9__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	45.40 Å
Rg (electron density)	47.39 Å
Total Rg	47.21 Å
Atom count	14301
Residues	1586
Excluded volume	246890 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2ww9__assembly_1__model_1`	pentadecameric （15）	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 (15)

Entity 1 Entity 1 polymer

Description description	SEC SIXTY-ONE PROTEIN HOMOLOG
Molecular weight formula_weight	53350.3 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	14301

MSGFRLIDIVKPILPILPEVELPFEKLPFDDKIVYTIFAGLIYLFAQFPLVGLPKATTPNVNDPIYFLRGVFGCEPRTLLEFGLFPNISSGLILQLLAGLKVIKVNFKIQSDRELFQSLTKVFAIVQYVILTNIFIFAGYFGDDLSVVQIGLINFQLVGAGIFTTLLAEVIDKGFGFSSGAMIINTVVIATNLVADTFGVSQIKVGEDDQTEAQGALINLIQGLRSKHKTFIGGIISAFNRDYLPNLTTTIIVLAIAIIVCYLQSVRVELPIRSTRARGTNNVYPIKLLYTGCLSVLFSYTILFYIHIFAFVLIQLVAKNEPTHIICKIMGHYENANNLLAVPTFPLSLLAPPTSFFKGVTQQPLTFITYSAFILVTGIWFADKWQAISGSSARDVALEFKDQGITLMGRREQNVAKELNKVIPIAAVTGASVLSLITVIGESLGLKGKAAGIVVGIAGGFSLLEVITIEYQQSGGQSALNQVLGVPGAM

Entity 2 Entity 2 polymer

Description description	PROTEIN TRANSPORT PROTEIN SSS1
Molecular weight formula_weight	8958.6 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B

MARASEKGEEKKQSNNQVEKLVEAPVEFVREGTQFLAKCKKPDLKEYTKIVKAVGIGFIAVGIIGYAIKLIHIPIRYVIV

Entity 3 Entity 3 polymer

Description description	PROTEIN TRANSPORT PROTEIN SEB2
Molecular weight formula_weight	9506.0 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	C

MAASVPPGGQRILQKRRQAQSIKEKQAKQTPTSTRQAGYGGSSSSILKLYTDEANGFRVDSLVVLFLSVGFIFSVIALHLLTKFTHI

Entity 4 Entity 4 polymer

Description description	25S RRNA
Molecular weight formula_weight	20302.1 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polyribonucleotide
Chain IDs strand_id	D

AGAACGCAGCGAAAUGCGAUACGUAAUGUGAAUUGCAGAAUUCCGUGAAUCAUCGAAUCUUUG

Entity 5 Entity 5 polymer

Description description	25S RRNA
Molecular weight formula_weight	11089.8 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polyribonucleotide
Chain IDs strand_id	E

UGAAAAGAACUUUGAAAAGAGAGUGAAAAAGUAC

Entity 6 Entity 6 polymer

Description description	25S RRNA
Molecular weight formula_weight	8052.9 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polyribonucleotide
Chain IDs strand_id	F

CCACGUCAACAGCAGUUGGACGUGG

Entity 7 Entity 7 polymer

Description description	25S RRNA
Molecular weight formula_weight	5700.4 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polyribonucleotide
Chain IDs strand_id	G

GCCAGCACCUUUGCUGGC

Entity 8 Entity 8 polymer

Description description	60S RIBOSOMAL PROTEIN L4-B
Molecular weight formula_weight	39129.1 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	H

MSRPQVTVHSLTGEATANALPLPAVFSAPIRPDIVHTVFTSVNKNKRQAYAVSEKAGHQTSAESWGTGRAVARIPRVGGGGTGRSGQGAFGNMCRGGRMFAPTKTWRKWNVKVNHNEKRYATASAIAATAVASLVLARGHRVEKIPEIPLVVSTDLESIQKTKEAVAALKAVGAHSDLLKVLKSKKLRAGKGKYRNRRWTQRRGPLVVYAEDNGIVKALRNVPGVETANVASLNLLQLAPGAHLGRFVIWTEAAFTKLDQVWGSETVASSKVGYTLPSHIISTSDVTRIINSSEIQSAIRPAGQATQKRTHVLKKNPLKNKQVLLRLNPYAKVFAAEKLGSKKAEKTGTKPAAVFAETLKHD

Entity 9 Entity 9 polymer

Description description	60S RIBOSOMAL PROTEIN L17-A
Molecular weight formula_weight	20589.5 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	I

MARYGATSTNPAKSASARGSYLRVSFKNTRETAQAINGWELTKAQKYLEQVLDHQRAIPFRRFNSSIGRTAQGKEFGVTKARWPAKSVKFVQGLLQNAAANAEAKGLDATKLYVSHIQVNQAPKQRRRTYRAHGRINKYESSPSHIELVVTEKEEAVAKAAEKKVVRLTSRQRGRIAAQKRIAA

Entity 10 Entity 10 polymer

Description description	60S RIBOSOMAL PROTEIN L19
Molecular weight formula_weight	21762.3 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	J

MANLRTQKRLAASVVGVGKRKVWLDPNETSEIAQANSRNAIRKLVKNGTIVKKAVTVHSKSRTRAHAQSKREGRHSGYGKRKGTREARLPSQVVWIRRLRVLRRLLAKYRDAGKIDKHLYHVLYKESKGNAFKHKRALVEHIIQAKADAQREKALNEEAEARRLKNRAARDRRAQRVAEKRDALLKEDA

Entity 11 Entity 11 polymer

Description description	60S RIBOSOMAL PROTEIN L25
Molecular weight formula_weight	15787.6 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	K

MAPSAKATAAKKAVVKGTNGKKALKVRTSATFRLPKTLKLARAPKYASKAVPHYNRLDSYKVIEQPITSETAMKKVEDGNILVFQVSMKANKYQIKKAVKELYEVDVLKVNTLVRPNGTKKAYVRLTADYDALDIANRIGYI

Entity 12 Entity 12 polymer

Description description	60S RIBOSOMAL PROTEIN L26-A
Molecular weight formula_weight	14265.8 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	L

MAKQSLDVSSDRRKARKAYFTAPSSQRRVLLSAPLSKELRAQYGIKALPIRRDDEVLVVRGSKKGQEGKISSVYRLKFAVQVDKVTKEKVNGASVPINLHPSKLVITKLHLDKDRKALIQRKGGKLE

Entity 13 Entity 13 polymer

Description description	60S RIBOSOMAL PROTEIN L31-A
Molecular weight formula_weight	12980.2 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	M

MAGLKDVVTREYTINLHKRLHGVSFKKRAPRAVKEIKKFAKLHMGTDDVRLAPELNQAIWKRGVKGVEYRLRLRISRKRNEEEDAKNPLFSYVEPVLVASAKGLQTVVVEEDA

Entity 14 Entity 14 polymer

Description description	60S RIBOSOMAL PROTEIN L35
Molecular weight formula_weight	13942.6 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	N

MAGVKAYELRTKSKEQLASQLVDLKKELAELKVQKLSRPSLPKIKTVRKSIACVLTVINEQQREAVRQLYKGKKYQPKDLRAKKTRALRRALTKFEASQVTEKQRKKQIAFPQRKYAIKA

Entity 15 Entity 15 polymer

Description description	60S RIBOSOMAL PROTEIN L39
Molecular weight formula_weight	6358.6 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	O

MAAQKSFRIKQKMAKAKKQNRPLPQWIRLRTNNTIRYNAKRRNWRRTKMNI

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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	1

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

Resolution resolution	8.600 Å
Low-resolution limit resolution_low	— Å
R factor r_factor	—
R_work r_work	—
R_free r_free	—

Resolution resolution	8.60 Å
Resolution测定Method resolution_method	PROJECTION MATCHING
颗粒数 num_particles	35800

Cryo-EM structure of the active yeast Ssh1 complex bound to the yeast 80S ribosome

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

SEC SIXTY-ONE PROTEIN HOMOLOG

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

PROTEIN TRANSPORT PROTEIN SSS1

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

PROTEIN TRANSPORT PROTEIN SEB2

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

60S RIBOSOMAL PROTEIN L4-B

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

60S RIBOSOMAL PROTEIN L17-A

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

60S RIBOSOMAL PROTEIN L19

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

60S RIBOSOMAL PROTEIN L25

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

60S RIBOSOMAL PROTEIN L26-A

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

60S RIBOSOMAL PROTEIN L31-A

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

60S RIBOSOMAL PROTEIN L35

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer