7naf

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

Method: ELECTRON MICROSCOPY

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.

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

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

4. Crystallography and Experiment 4. Crystallography & Experiment

5. Entities and Polymers Entities & Polymers (18)

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

7. Citations (1)