2h9u

Crystal structure of the archaea specific DNA binding protein

Method: X-RAY DIFFRACTION
▼

1. Protein Identity and Related Structures Protein Identity & Related Structures

DNA/RNA-binding protein Alba 2

Aeropyrum pernix

UniProt Q9YAX2

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein homooligomer Homooligomer Protein 2 1,2-ETHANEDIOL × 12 water × 2 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name ALBA2_AERPE
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–102; UniProt 1–102

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.

▼

2. Structure Basics 2. Structure Basics

Entry ID entry_id2h9u
Deposition date deposition_date2006-06-12
Structure title titleCrystal structure of the archaea specific DNA binding protein
Keywords keywords;archaea, aeropyrum pernix, DNA binding protein, Structural Genomics, NPPSFA, National Project on Protein Structural and Functional Analyses, RIKEN Structural Genomics/Proteomics Initiative, RSGI ;; DNA BINDING PROTEIN
Experimental Method methodX-RAY DIFFRACTION
▼

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.

2h9u__assembly_1__model_1

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

Download this curve (.dat)

2h9u__assembly_1__model_1 | I(q)

10-2 10-1 105 106 107 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

2h9u__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)20.48 Å
Rg (electron density)19.27 Å
Total Rg20.12 Å
Atom count1620
Residues202
Excluded volume29041 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2h9u__assembly_1__model_1 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (3)

▼

6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd2h9ua_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.68 — IF3-like
Superfamily Superfamily superfamilyd.68.6 — AlbA-like
Family Family familyd.68.6.0 — automated matches

CATH v4.4 (1 domains)

Domain ID domain_id2h9uA00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology110 — Translation Initiation Factor IF3
Homologous superfamily homologous superfamily20 — Alba-like domain
▶

7. Citations (2)