7naf

State E2 nucleolar 60S ribosomal biogenesis intermediate - Spb1-MTD local model

Method: ELECTRON MICROSCOPY
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1. Protein Identity and Related Structures Protein Identity & Related Structures

Nucleolar complex protein 2

OrganismNot specified

UniProt P39744

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–RNA Heteromer Protein 15 RNA 1 25S rRNA × 1 Ribosomal RNA-processing protein 17 × 1 60S ribosomal protein L23-A × 1 (P0CX41) Ribosome biogenesis protein RLP24 × 1 (Q07915) ;27S pre-rRNA (guanosine(2922)-2'-O)-methyltransferase ; × 1 (P25582) 60S ribosome biogenesis factor Nog1 × 1 60S ribosomal protein L31-A × 1 (P0C2H8) 60S ribosomal protein L22-A × 1 60S ribosome ribosomal protein L19A × 1 60S ribosomal protein L30 × 1 60S ribosomal protein L3 × 1 (P14126) UPF0642 protein YBL028C × 1 (P38202) Nuclear GTP-binding protein NUG1 × 1 (P40010) Eukaryotic translation initiation factor 6 × 1 (Q12522) 25S rRNA (cytosine(2870)-C(5))-methyltransferase × 1 (P40991) S-ADENOSYL-L-HOMOCYSTEINE × 1 water × 1 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name NOC2_YEAST
Isoform —
PDB entities 3
Chains and sequence ranges Author chain 8; PDBConstruct 1–39; UniProt 3–41

60S ribosomal protein L23-A

OrganismNot specified

UniProt P0CX41

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–RNA Heteromer Protein 15 RNA 1 25S rRNA × 1 Ribosomal RNA-processing protein 17 × 1 Nucleolar complex protein 2 × 1 (P39744) Ribosome biogenesis protein RLP24 × 1 (Q07915) ;27S pre-rRNA (guanosine(2922)-2'-O)-methyltransferase ; × 1 (P25582) 60S ribosome biogenesis factor Nog1 × 1 60S ribosomal protein L31-A × 1 (P0C2H8) 60S ribosomal protein L22-A × 1 60S ribosome ribosomal protein L19A × 1 60S ribosomal protein L30 × 1 60S ribosomal protein L3 × 1 (P14126) UPF0642 protein YBL028C × 1 (P38202) Nuclear GTP-binding protein NUG1 × 1 (P40010) Eukaryotic translation initiation factor 6 × 1 (Q12522) 25S rRNA (cytosine(2870)-C(5))-methyltransferase × 1 (P40991) S-ADENOSYL-L-HOMOCYSTEINE × 1 water × 1 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name RL23A_YEAST
Isoform —
PDB entities 4
Chains and sequence ranges Author chain V; PDBConstruct 1–134; UniProt 4–137

Ribosome biogenesis protein RLP24

OrganismNot specified

UniProt Q07915

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–RNA Heteromer Protein 15 RNA 1 25S rRNA × 1 Ribosomal RNA-processing protein 17 × 1 Nucleolar complex protein 2 × 1 (P39744) 60S ribosomal protein L23-A × 1 (P0CX41) ;27S pre-rRNA (guanosine(2922)-2'-O)-methyltransferase ; × 1 (P25582) 60S ribosome biogenesis factor Nog1 × 1 60S ribosomal protein L31-A × 1 (P0C2H8) 60S ribosomal protein L22-A × 1 60S ribosome ribosomal protein L19A × 1 60S ribosomal protein L30 × 1 60S ribosomal protein L3 × 1 (P14126) UPF0642 protein YBL028C × 1 (P38202) Nuclear GTP-binding protein NUG1 × 1 (P40010) Eukaryotic translation initiation factor 6 × 1 (Q12522) 25S rRNA (cytosine(2870)-C(5))-methyltransferase × 1 (P40991) S-ADENOSYL-L-HOMOCYSTEINE × 1 water × 1 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name RLP24_YEAST
Isoform —
PDB entities 5
Chains and sequence ranges Author chain u; PDBConstruct 1–65; UniProt 1–65

;27S pre-rRNA (guanosine(2922)-2'-O)-methyltransferase ;

OrganismNot specified

UniProt P25582

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–RNA Heteromer Protein 15 RNA 1 25S rRNA × 1 Ribosomal RNA-processing protein 17 × 1 Nucleolar complex protein 2 × 1 (P39744) 60S ribosomal protein L23-A × 1 (P0CX41) Ribosome biogenesis protein RLP24 × 1 (Q07915) 60S ribosome biogenesis factor Nog1 × 1 60S ribosomal protein L31-A × 1 (P0C2H8) 60S ribosomal protein L22-A × 1 60S ribosome ribosomal protein L19A × 1 60S ribosomal protein L30 × 1 60S ribosomal protein L3 × 1 (P14126) UPF0642 protein YBL028C × 1 (P38202) Nuclear GTP-binding protein NUG1 × 1 (P40010) Eukaryotic translation initiation factor 6 × 1 (Q12522) 25S rRNA (cytosine(2870)-C(5))-methyltransferase × 1 (P40991) S-ADENOSYL-L-HOMOCYSTEINE × 1 water × 1 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name SPB1_YEAST
Isoform —
PDB entities 6
Chains and sequence ranges Author chain w; PDBConstruct 1–389; UniProt 1–389

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 15 RNA 1 25S rRNA × 1 Ribosomal RNA-processing protein 17 × 1 Nucleolar complex protein 2 × 1 (P39744) 60S ribosomal protein L23-A × 1 (P0CX41) Ribosome biogenesis protein RLP24 × 1 (Q07915) ;27S pre-rRNA (guanosine(2922)-2'-O)-methyltransferase ; × 1 (P25582) 60S ribosome biogenesis factor Nog1 × 1 60S ribosomal protein L22-A × 1 60S ribosome ribosomal protein L19A × 1 60S ribosomal protein L30 × 1 60S ribosomal protein L3 × 1 (P14126) UPF0642 protein YBL028C × 1 (P38202) Nuclear GTP-binding protein NUG1 × 1 (P40010) Eukaryotic translation initiation factor 6 × 1 (Q12522) 25S rRNA (cytosine(2870)-C(5))-methyltransferase × 1 (P40991) S-ADENOSYL-L-HOMOCYSTEINE × 1 water × 1 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 8
Chains and sequence ranges Author chain d; PDBConstruct 1–60; UniProt 13–72

60S ribosomal protein L3

OrganismNot specified

UniProt P14126

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–RNA Heteromer Protein 15 RNA 1 25S rRNA × 1 Ribosomal RNA-processing protein 17 × 1 Nucleolar complex protein 2 × 1 (P39744) 60S ribosomal protein L23-A × 1 (P0CX41) Ribosome biogenesis protein RLP24 × 1 (Q07915) ;27S pre-rRNA (guanosine(2922)-2'-O)-methyltransferase ; × 1 (P25582) 60S ribosome biogenesis factor Nog1 × 1 60S ribosomal protein L31-A × 1 (P0C2H8) 60S ribosomal protein L22-A × 1 60S ribosome ribosomal protein L19A × 1 60S ribosomal protein L30 × 1 UPF0642 protein YBL028C × 1 (P38202) Nuclear GTP-binding protein NUG1 × 1 (P40010) Eukaryotic translation initiation factor 6 × 1 (Q12522) 25S rRNA (cytosine(2870)-C(5))-methyltransferase × 1 (P40991) S-ADENOSYL-L-HOMOCYSTEINE × 1 water × 1 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name RL3_YEAST
Isoform —
PDB entities 12
Chains and sequence ranges Author chain B; PDBConstruct 1–376; UniProt 12–387

UPF0642 protein YBL028C

OrganismNot specified

UniProt P38202

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–RNA Heteromer Protein 15 RNA 1 25S rRNA × 1 Ribosomal RNA-processing protein 17 × 1 Nucleolar complex protein 2 × 1 (P39744) 60S ribosomal protein L23-A × 1 (P0CX41) Ribosome biogenesis protein RLP24 × 1 (Q07915) ;27S pre-rRNA (guanosine(2922)-2'-O)-methyltransferase ; × 1 (P25582) 60S ribosome biogenesis factor Nog1 × 1 60S ribosomal protein L31-A × 1 (P0C2H8) 60S ribosomal protein L22-A × 1 60S ribosome ribosomal protein L19A × 1 60S ribosomal protein L30 × 1 60S ribosomal protein L3 × 1 (P14126) Nuclear GTP-binding protein NUG1 × 1 (P40010) Eukaryotic translation initiation factor 6 × 1 (Q12522) 25S rRNA (cytosine(2870)-C(5))-methyltransferase × 1 (P40991) S-ADENOSYL-L-HOMOCYSTEINE × 1 water × 1 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name YBC8_YEAST
Isoform —
PDB entities 13
Chains and sequence ranges Author chain z; PDBConstruct 1–6; UniProt 2–7

Nuclear GTP-binding protein NUG1

OrganismNot specified

UniProt P40010

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–RNA Heteromer Protein 15 RNA 1 25S rRNA × 1 Ribosomal RNA-processing protein 17 × 1 Nucleolar complex protein 2 × 1 (P39744) 60S ribosomal protein L23-A × 1 (P0CX41) Ribosome biogenesis protein RLP24 × 1 (Q07915) ;27S pre-rRNA (guanosine(2922)-2'-O)-methyltransferase ; × 1 (P25582) 60S ribosome biogenesis factor Nog1 × 1 60S ribosomal protein L31-A × 1 (P0C2H8) 60S ribosomal protein L22-A × 1 60S ribosome ribosomal protein L19A × 1 60S ribosomal protein L30 × 1 60S ribosomal protein L3 × 1 (P14126) UPF0642 protein YBL028C × 1 (P38202) Eukaryotic translation initiation factor 6 × 1 (Q12522) 25S rRNA (cytosine(2870)-C(5))-methyltransferase × 1 (P40991) S-ADENOSYL-L-HOMOCYSTEINE × 1 water × 1 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name NUG1_YEAST
Isoform —
PDB entities 14
Chains and sequence ranges Author chain s; PDBConstruct 1–7; UniProt 1–7

Eukaryotic translation initiation factor 6

OrganismNot specified

UniProt Q12522

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–RNA Heteromer Protein 15 RNA 1 25S rRNA × 1 Ribosomal RNA-processing protein 17 × 1 Nucleolar complex protein 2 × 1 (P39744) 60S ribosomal protein L23-A × 1 (P0CX41) Ribosome biogenesis protein RLP24 × 1 (Q07915) ;27S pre-rRNA (guanosine(2922)-2'-O)-methyltransferase ; × 1 (P25582) 60S ribosome biogenesis factor Nog1 × 1 60S ribosomal protein L31-A × 1 (P0C2H8) 60S ribosomal protein L22-A × 1 60S ribosome ribosomal protein L19A × 1 60S ribosomal protein L30 × 1 60S ribosomal protein L3 × 1 (P14126) UPF0642 protein YBL028C × 1 (P38202) Nuclear GTP-binding protein NUG1 × 1 (P40010) 25S rRNA (cytosine(2870)-C(5))-methyltransferase × 1 (P40991) S-ADENOSYL-L-HOMOCYSTEINE × 1 water × 1 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name IF6_YEAST
Isoform —
PDB entities 15
Chains and sequence ranges Author chain y; PDBConstruct 1–245; UniProt 1–245

25S rRNA (cytosine(2870)-C(5))-methyltransferase

OrganismNot specified

UniProt P40991

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–RNA Heteromer Protein 15 RNA 1 25S rRNA × 1 Ribosomal RNA-processing protein 17 × 1 Nucleolar complex protein 2 × 1 (P39744) 60S ribosomal protein L23-A × 1 (P0CX41) Ribosome biogenesis protein RLP24 × 1 (Q07915) ;27S pre-rRNA (guanosine(2922)-2'-O)-methyltransferase ; × 1 (P25582) 60S ribosome biogenesis factor Nog1 × 1 60S ribosomal protein L31-A × 1 (P0C2H8) 60S ribosomal protein L22-A × 1 60S ribosome ribosomal protein L19A × 1 60S ribosomal protein L30 × 1 60S ribosomal protein L3 × 1 (P14126) UPF0642 protein YBL028C × 1 (P38202) Nuclear GTP-binding protein NUG1 × 1 (P40010) Eukaryotic translation initiation factor 6 × 1 (Q12522) S-ADENOSYL-L-HOMOCYSTEINE × 1 water × 1 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name NOP2_YEAST
Isoform —
PDB entities 16
Chains and sequence ranges Author chain q; PDBConstruct 1–36; UniProt 285–320

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_id7naf
Deposition date deposition_date2021-06-21
Structure title titleState E2 nucleolar 60S ribosomal biogenesis intermediate - Spb1-MTD local model
Keywords keywordsribosome biogenesis, DEAD-box ATPases, methyltransferase, nucleolus, RIBOSOME; RIBOSOME
Experimental Method methodELECTRON 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.

7naf__assembly_1__model_1

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

Download this curve (.dat)

7naf__assembly_1__model_1 | I(q)

10-2 10-1 106 107 108 109 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

7naf__assembly_1__model_1 | P(r) · Pending

The new assembly/model P(r) has not been calculated yet This placeholder does not display legacy data r (Angstrom) P(r)
P(r) will be calculated and displayed separately for the same assembly/model.
Rg(Guinier)46.23 Å
Rg (electron density)46.91 Å
Total Rg47.05 Å
Atom count18866
Residues1715
Excluded volume308180 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 7naf__assembly_1__model_1 hexadecameric (16) 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 (18)

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6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id7nafR01
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology1200 — Non-ribosomal Peptide Synthetase Peptidyl Carrier Protein; Chain A
Homologous superfamily homologous superfamily240 —
Domain ID domain_id7nafd01
Class class3 — Alpha Beta
Architecture architecture10 — Roll
Topology topology440 — Ribosomal Protein L31e; Chain: W;
Homologous superfamily homologous superfamily10 — Ribosomal protein L31
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7. Citations (1)