2kaf

Solution structure of the SARS-unique domain-C from the nonstructural protein 3 (nsp3) of the severe acute respiratory syndrome coronavirus

Method: SOLUTION NMR
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1. Protein Identity and Related Structures Protein Identity & Related Structures

Non-structural protein 3

SARS coronavirus

UniProt P0C6U8

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein monomer Monomer Protein 1 No other associated polymer Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name R1A_CVHSA
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 2–67; UniProt 1473–1538

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_id2kaf
Deposition date deposition_date2008-11-05
Structure title titleSolution structure of the SARS-unique domain-C from the nonstructural protein 3 (nsp3) of the severe acute respiratory syndrome coronavirus
Keywords keywords;SARS coronavirus, nonstructural protein 3, SARS-unique domain-C, automation in NMR structure determination, viral protein, hydrolase. Joint Center for Structural Genomics. JCSG. PSI, Protein Structure Initiative, RNA binding protein ;; viral protein, RNA binding protein
Experimental Method methodSOLUTION NMR
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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.

2kaf__assembly_1__model_6

Assembly 1 · Model 6 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

2kaf__assembly_1__model_6 | I(q)

10-2 10-1 104 105 106 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

2kaf__assembly_1__model_6 | 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)12.65 Å
Rg (electron density)10.80 Å
Total Rg12.47 Å
Atom count1055
Residues67
Excluded volume9488 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2kaf__assembly_1__model_1 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 2 2kaf__assembly_1__model_2 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 3 2kaf__assembly_1__model_3 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 4 2kaf__assembly_1__model_4 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 5 2kaf__assembly_1__model_5 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 6 2kaf__assembly_1__model_6 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 7 2kaf__assembly_1__model_7 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 8 2kaf__assembly_1__model_8 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 9 2kaf__assembly_1__model_9 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 10 2kaf__assembly_1__model_10 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 11 2kaf__assembly_1__model_11 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 12 2kaf__assembly_1__model_12 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 13 2kaf__assembly_1__model_13 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 14 2kaf__assembly_1__model_14 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 15 2kaf__assembly_1__model_15 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 16 2kaf__assembly_1__model_16 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 17 2kaf__assembly_1__model_17 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 18 2kaf__assembly_1__model_18 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 19 2kaf__assembly_1__model_19 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 20 2kaf__assembly_1__model_20 monomeric (1) 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 (1)

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6. Fold Classification (SCOP + CATH) 1 domains

CATH v4.4 (1 domains)

Domain ID domain_id2kafA00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology30 — Glutaredoxin
Homologous superfamily homologous superfamily150 — Coronavirus polyprotein cleavage domain
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7. Citations (1)