1o13

Crystal structure of a putative dinitrogenase iron-molybdenum cofactor (tm1816) from thermotoga maritima at 1.83 A resolution

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

probable NifB protein

Thermotoga maritima

UniProt Q9X2D6

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 Q9X2D6_THEMA
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 13–136; UniProt 1–124

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_id1o13
Deposition date deposition_date2002-10-15
Structure title titleCrystal structure of a putative dinitrogenase iron-molybdenum cofactor (tm1816) from thermotoga maritima at 1.83 A resolution
Keywords keywords;Ribonuclease h-like motif fold, structural genomics, Joint Center for Structural Genomics, JCSG, Protein Structure Initiative, PSI, biosynthetic protein ;; BIOSYNTHETIC PROTEIN
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.

1o13__assembly_1__model_1

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

Download this curve (.dat)

1o13__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.

1o13__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)14.75 Å
Rg (electron density)12.98 Å
Total Rg14.38 Å
Atom count808
Residues105
Excluded volume14455 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1o13__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) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1o13a_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.55 — Ribonuclease H-like motif
Superfamily Superfamily superfamilyc.55.5 — Nitrogenase accessory factor-like
Family Family familyc.55.5.1 — MTH1175-like

CATH v4.4 (1 domains)

Domain ID domain_id1o13A00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily130 — Dinitrogenase iron-molybdenum cofactor biosynthesis domain
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7. Citations (1)