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2hip

THE MOLECULAR STRUCTURE OF THE HIGH POTENTIAL IRON-SULFUR PROTEIN ISOLATED FROM ECTOTHIORHODOSPIRA HALOPHILA DETERMINED AT 2.5-ANGSTROMS RESOLUTION

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

HIGH POTENTIAL IRON SULFUR PROTEIN

Halorhodospira halophila

UniProt P04168

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein homooligomer Homooligomer Protein 2 IRON/SULFUR CLUSTER × 2 water × 2 Consistent with protein count

Other States of the Same Protein in the Database

Monomer
1pih 1pij

2 assemblies

Homodimer
2hip

1 assemblies

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex

None

View Construct and Data Evidence
UniProt name HIP1_ECTHA
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–71； UniProt 1–71 Author chain B； PDBConstruct 1–71； UniProt 1–71

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_id2hip
Deposition date deposition_date1991-06-24
Structure title titleTHE MOLECULAR STRUCTURE OF THE HIGH POTENTIAL IRON-SULFUR PROTEIN ISOLATED FROM ECTOTHIORHODOSPIRA HALOPHILA DETERMINED AT 2.5-ANGSTROMS RESOLUTION
Keywords keywordsELECTRON TRANSFER (IRON-SULFUR PROTEIN); ELECTRON TRANSFER (IRON-SULFUR 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.

2hip__assembly_1__model_1

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

Download this curve (.dat)

2hip__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.

2hip__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）18.83 Å
Rg (electron density)18.51 Å
Total Rg19.04 Å
Atom count1118
Residues142
Excluded volume19138 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2hip__assembly_1__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) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd2hipa_
Class classg — Small proteins
Fold Fold foldg.35 — HIPIP (high potential iron protein)
Superfamily Superfamily superfamilyg.35.1 — HIPIP (high potential iron protein)
Family Family familyg.35.1.1 — HIPIP (high potential iron protein)
Domain ID domain_idd2hipb_
Class classg — Small proteins
Fold Fold foldg.35 — HIPIP (high potential iron protein)
Superfamily Superfamily superfamilyg.35.1 — HIPIP (high potential iron protein)
Family Family familyg.35.1.1 — HIPIP (high potential iron protein)

CATH v4.4 (2 domains)

Domain ID domain_id2hipA00
Class class4 — Few Secondary Structures
Architecture architecture10 — Irregular
Topology topology490 — High-Potential Iron-Sulfur Protein; Chain A
Homologous superfamily homologous superfamily10 — High potential iron-sulphur protein
Domain ID domain_id2hipB00
Class class4 — Few Secondary Structures
Architecture architecture10 — Irregular
Topology topology490 — High-Potential Iron-Sulfur Protein; Chain A
Homologous superfamily homologous superfamily10 — High potential iron-sulphur protein
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7. Citations (1)