2khs

Solution structure of SNase121:SNase(111-143) complex

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

Thermonuclease

Staphylococcus aureus

UniProt P00644

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 2 Nuclease × 1 (Q1WCB7) Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name NUC_STAAU
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–121; UniProt 83–203

Nuclease

Staphylococcus aureus

UniProt Q1WCB7

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 2 Thermonuclease × 1 (P00644) Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name Q1WCB7_STAAU
Isoform —
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 3–35; UniProt 190–222

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_id2khs
Deposition date deposition_date2009-04-10
Structure title titleSolution structure of SNase121:SNase(111-143) complex
Keywords keywordsHYDROLASE, Calcium, Endonuclease, Membrane, Metal-binding, Nuclease, Secreted, Zymogen; HYDROLASE
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.

2khs__assembly_1__model_19

Assembly 1 · Model 19 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

2khs__assembly_1__model_19 | I(q)

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

2khs__assembly_1__model_19 | 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)17.08 Å
Rg (electron density)15.99 Å
Total Rg17.21 Å
Atom count2530
Residues156
Excluded volume22355 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2khs__assembly_1__model_1 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 2 2khs__assembly_1__model_2 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 3 2khs__assembly_1__model_3 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 4 2khs__assembly_1__model_4 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 5 2khs__assembly_1__model_5 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 6 2khs__assembly_1__model_6 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 7 2khs__assembly_1__model_7 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 8 2khs__assembly_1__model_8 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 9 2khs__assembly_1__model_9 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 10 2khs__assembly_1__model_10 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 11 2khs__assembly_1__model_11 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 12 2khs__assembly_1__model_12 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 13 2khs__assembly_1__model_13 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 14 2khs__assembly_1__model_14 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 15 2khs__assembly_1__model_15 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 16 2khs__assembly_1__model_16 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 17 2khs__assembly_1__model_17 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 18 2khs__assembly_1__model_18 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 19 2khs__assembly_1__model_19 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 20 2khs__assembly_1__model_20 dimeric (2) 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 (2)

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6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd2khsa_
Class classb — All beta proteins
Fold Fold foldb.40 — OB-fold
Superfamily Superfamily superfamilyb.40.1 — Staphylococcal nuclease
Family Family familyb.40.1.1 — Staphylococcal nuclease

CATH v4.4 (1 domains)

Domain ID domain_id2khsA00
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology50 — OB fold (Dihydrolipoamide Acetyltransferase, E2P)
Homologous superfamily homologous superfamily90 —
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7. Citations (1)