1wj9

Crystal structure of a CRISPR-associated protein from thermus thermophilus

Method: X-RAY DIFFRACTION
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1. Protein Identity and Related Structures Protein Identity & Related Structures

CRISPR-associated protein

Thermus thermophilus

UniProt Q53WG9

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein monomer Monomer Protein 1 water × 1 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name Q53WG9_THET8
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–211; UniProt 1–211

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_id1wj9
Deposition date deposition_date2004-05-29
Structure title titleCrystal structure of a CRISPR-associated protein from thermus thermophilus
Keywords keywordsALPHA AND BETA PROTEIN, Structural genomics, RIKEN Structural Genomics/Proteomics Initiative, RSGI, unknown function; Structural genomics, unknown function
Experimental Method methodX-RAY DIFFRACTION
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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.

1wj9__assembly_1__model_1

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

Download this curve (.dat)

1wj9__assembly_1__model_1 | I(q)

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

1wj9__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)18.19 Å
Rg (electron density)16.80 Å
Total Rg17.84 Å
Atom count1505
Residues188
Excluded volume26983 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1wj9__assembly_1__model_1 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 (2)

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6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1wj9a1
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.58 — Ferredoxin-like
Superfamily Superfamily superfamilyd.58.53 — Ferredoxin-like domains from CRISPR-associated proteins
Family Family familyd.58.53.1 — CRISPR-associated endoribonuclease Cse3-like
Domain ID domain_idd1wj9a2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.58 — Ferredoxin-like
Superfamily Superfamily superfamilyd.58.53 — Ferredoxin-like domains from CRISPR-associated proteins
Family Family familyd.58.53.1 — CRISPR-associated endoribonuclease Cse3-like

CATH v4.4 (2 domains)

Domain ID domain_id1wj9A01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily1200 — Crispr-associated protein; domain 1
Domain ID domain_id1wj9A02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily1210 — Crispr-associated protein; domain 2
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7. Citations (1)