2cpm

Solution structure of the R3H domain of human sperm-associated antigen 7

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

Sperm-associated antigen 7

Homo sapiens

UniProt O75391

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 SPAG7_HUMAN
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 8–88; UniProt 44–124

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_id2cpm
Deposition date deposition_date2005-05-19
Structure title titleSolution structure of the R3H domain of human sperm-associated antigen 7
Keywords keywords;R3H domain, Structural Genomics, NPPSFA, National Project on Protein Structural and Functional Analyses, RIKEN Structural Genomics/Proteomics Initiative, RSGI, UNKNOWN FUNCTION ;; STRUCTURAL GENOMICS, UNKNOWN FUNCTION
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.

2cpm__assembly_1__model_7

Assembly 1 · Model 7 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

2cpm__assembly_1__model_7 | I(q)

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

2cpm__assembly_1__model_7 | 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)16.54 Å
Rg (electron density)15.05 Å
Total Rg16.20 Å
Atom count1457
Residues94
Excluded volume13006 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2cpm__assembly_1__model_1 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 2 2cpm__assembly_1__model_2 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 3 2cpm__assembly_1__model_3 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 4 2cpm__assembly_1__model_4 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 5 2cpm__assembly_1__model_5 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 6 2cpm__assembly_1__model_6 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 7 2cpm__assembly_1__model_7 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 8 2cpm__assembly_1__model_8 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 9 2cpm__assembly_1__model_9 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 10 2cpm__assembly_1__model_10 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 11 2cpm__assembly_1__model_11 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 12 2cpm__assembly_1__model_12 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 13 2cpm__assembly_1__model_13 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 14 2cpm__assembly_1__model_14 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 15 2cpm__assembly_1__model_15 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 16 2cpm__assembly_1__model_16 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 17 2cpm__assembly_1__model_17 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 18 2cpm__assembly_1__model_18 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 19 2cpm__assembly_1__model_19 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 20 2cpm__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_id2cpmA00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1370 — Ribosomal Protein S8; Chain: A, domain 1
Homologous superfamily homologous superfamily50 — R3H-like domain
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7. Citations (1)