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2fs1

solution structure of PSD-1

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

PSD-1

Finegoldia magna ATCC 29328, Streptococcus dysgalactiae, Streptococcus equi, Streptococcus canis, Streptococcus sp.

UniProt Q51918

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

Monomer
2fs1

1 assemblies

Homodimer

None

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
1hez 1ymh 1ymh 4ioi 5u3d 5u5f 5u5m 5u6a 6b9y 6b9z 6bae 6bah

12 assemblies

View Construct and Data Evidence
UniProt name Q51918_PEPMA
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 12–52； UniProt 798–839

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_id2fs1
Deposition date deposition_date2006-01-20
Structure title titlesolution structure of PSD-1
Keywords keywordssolution structure, PSD-1, PROTEIN BINDING; PROTEIN BINDING
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.

2fs1__assembly_1__model_13

Assembly 1 · Model 13 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

2fs1__assembly_1__model_13 | I(q)

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

2fs1__assembly_1__model_13 | 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）13.19 Å
Rg (electron density)12.05 Å
Total Rg13.52 Å
Atom count877
Residues56
Excluded volume7790 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2fs1__assembly_1__model_1 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 2 2fs1__assembly_1__model_2 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 3 2fs1__assembly_1__model_3 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 4 2fs1__assembly_1__model_4 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 5 2fs1__assembly_1__model_5 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 6 2fs1__assembly_1__model_6 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 7 2fs1__assembly_1__model_7 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 8 2fs1__assembly_1__model_8 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 9 2fs1__assembly_1__model_9 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 10 2fs1__assembly_1__model_10 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 11 2fs1__assembly_1__model_11 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 12 2fs1__assembly_1__model_12 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 13 2fs1__assembly_1__model_13 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 14 2fs1__assembly_1__model_14 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 15 2fs1__assembly_1__model_15 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 16 2fs1__assembly_1__model_16 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 17 2fs1__assembly_1__model_17 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 18 2fs1__assembly_1__model_18 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 19 2fs1__assembly_1__model_19 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 20 2fs1__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) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd2fs1a_
Class classa — All alpha proteins
Fold Fold folda.8 — immunoglobulin/albumin-binding domain-like
Superfamily Superfamily superfamilya.8.1 — Bacterial immunoglobulin/albumin-binding domains
Family Family familya.8.1.0 — automated matches

CATH v4.4 (1 domains)

Domain ID domain_id2fs1A00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology8 — Helicase, Ruva Protein; domain 3
Homologous superfamily homologous superfamily40 — Albumin-binding domain
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7. Citations (1)