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2vee

Structure of protoglobin from Methanosarcina acetivorans C2A

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

PROTOGLOBIN

METHANOSARCINA ACETIVORANS

UniProt Q8TLY9

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein homooligomer Homooligomer Protein 2 PROTOPORPHYRIN IX CONTAINING FE × 2 water × 2 Consistent with protein count
2 Protein homooligomer Homooligomer Protein 2 PROTOPORPHYRIN IX CONTAINING FE × 2 water × 2 Consistent with protein count
3 Protein homooligomer Homooligomer Protein 2 PROTOPORPHYRIN IX CONTAINING FE × 2 water × 2 Consistent with protein count
4 Protein homooligomer Homooligomer Protein 2 PROTOPORPHYRIN IX CONTAINING FE × 2 water × 2 Consistent with protein count

Other States of the Same Protein in the Database

Monomer

None

Homodimer
2veb 2vee 2vee 2vee 2vee 3qzx 3qzz 3r0g 3zh0 3zh0 3zjh 3zji

26 assemblies; showing the first 12

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex

None

View Construct and Data Evidence
UniProt name Q8TLY9_METAC
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–195； UniProt 1–195 Author chain B； PDBConstruct 1–195； UniProt 1–195 Author chain C； PDBConstruct 1–195； UniProt 1–195 Author chain D； PDBConstruct 1–195； UniProt 1–195 Author chain E； PDBConstruct 1–195； UniProt 1–195 Author chain F； PDBConstruct 1–195； UniProt 1–195 Author chain G； PDBConstruct 1–195； UniProt 1–195 Author chain H； PDBConstruct 1–195； UniProt 1–195

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_id2vee
Deposition date deposition_date2007-10-22
Structure title titleStructure of protoglobin from Methanosarcina acetivorans C2A
Keywords keywordsHEMOPROTEIN STRUCTURE, PROTEIN MATRIX TUNNELS, PROTOGLOBIN, METHANOGENESIS, ARCHAEA PROTEIN, TRANSPORT PROTEIN; TRANSPORT 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.

2vee__assembly_1__model_1

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

Download this curve (.dat)

2vee__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.

2vee__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）21.90 Å
Rg (electron density)20.30 Å
Total Rg21.36 Å
Atom count3268
Residues380
Excluded volume58131 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2vee__assembly_1__model_1 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
2 1 2vee__assembly_2__model_1 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
3 1 2vee__assembly_3__model_1 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
4 1 2vee__assembly_4__model_1 dimeric （2） 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 (3)

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6. Fold Classification (SCOP + CATH) 8 domains

CATH v4.4 (8 domains)

Domain ID domain_id2veeA00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology490 — Globin-like
Homologous superfamily homologous superfamily10 — Globins
Domain ID domain_id2veeB00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology490 — Globin-like
Homologous superfamily homologous superfamily10 — Globins
Domain ID domain_id2veeC00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology490 — Globin-like
Homologous superfamily homologous superfamily10 — Globins
Domain ID domain_id2veeD00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology490 — Globin-like
Homologous superfamily homologous superfamily10 — Globins
Domain ID domain_id2veeE00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology490 — Globin-like
Homologous superfamily homologous superfamily10 — Globins
Domain ID domain_id2veeF00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology490 — Globin-like
Homologous superfamily homologous superfamily10 — Globins
Domain ID domain_id2veeG00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology490 — Globin-like
Homologous superfamily homologous superfamily10 — Globins
Domain ID domain_id2veeH00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology490 — Globin-like
Homologous superfamily homologous superfamily10 — Globins
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7. Citations (1)