1iz0

Crystal Structures of the Quinone Oxidoreductase from Thermus thermophilus HB8 and Its Complex with NADPH

Method: X-RAY DIFFRACTION

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

QUINONE OXIDOREDUCTASE

Thermus thermophilus

UniProt Q8L3C8

State in the Current Structure

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

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name Q8L3C8_THETH
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–302; UniProt 1–302

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_id1iz0
Deposition date deposition_date2002-09-17
Structure title titleCrystal Structures of the Quinone Oxidoreductase from Thermus thermophilus HB8 and Its Complex with NADPH
Keywords keywordsAPO-ENZYME, RIKEN Structural Genomics/Proteomics Initiative, RSGI, Structural Genomics, OXIDOREDUCTASE; OXIDOREDUCTASE
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.

1iz0__assembly_1__model_1

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

Download this curve (.dat)

1iz0__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.

1iz0__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)20.57 Å
Rg (electron density)19.35 Å
Total Rg20.28 Å
Atom count2148
Residues290
Excluded volume38996 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1iz0__assembly_1__model_1 monomeric (1) 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) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1iz0a1
Class classb — All beta proteins
Fold Fold foldb.35 — GroES-like
Superfamily Superfamily superfamilyb.35.1 — GroES-like
Family Family familyb.35.1.2 — Alcohol dehydrogenase-like, N-terminal domain
Domain ID domain_idd1iz0a2
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.2 — NAD(P)-binding Rossmann-fold domains
Superfamily Superfamily superfamilyc.2.1 — NAD(P)-binding Rossmann-fold domains
Family Family familyc.2.1.1 — Alcohol dehydrogenase-like, C-terminal domain

CATH v4.4 (2 domains)

Domain ID domain_id1iz0A01
Class class3 — Alpha Beta
Architecture architecture90 — Alpha-Beta Complex
Topology topology180 — Quinone Oxidoreductase; Chain A, domain 1
Homologous superfamily homologous superfamily10 — Medium-chain alcohol dehydrogenases, catalytic domain
Domain ID domain_id1iz0A02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily720 — NAD(P)-binding Rossmann-like Domain

7. Citations (2)