9s3p

Human carboxyhemoglobin bound to Staphylococcus aureus IsdH-N2N3 - 3IsdH(alpha2beta):Hbtet complex

Method: ELECTRON MICROSCOPY
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1. Protein Identity and Related Structures Protein Identity & Related Structures

Hemoglobin subunit alpha

OrganismNot specified

UniProt P69905

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 7 Hemoglobin subunit beta × 2 (P68871) Iron-regulated surface determinant protein H × 3 (Q8NW39) PROTOPORPHYRIN IX CONTAINING FE × 4 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name HBA_HUMAN
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–140; UniProt 3–142 Author chain C; PDBConstruct 1–140; UniProt 3–142

Hemoglobin subunit beta

OrganismNot specified

UniProt P68871

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 7 Hemoglobin subunit alpha × 2 (P69905) Iron-regulated surface determinant protein H × 3 (Q8NW39) PROTOPORPHYRIN IX CONTAINING FE × 4 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name HBB_HUMAN
Isoform —
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–145; UniProt 3–147 Author chain D; PDBConstruct 1–145; UniProt 3–147

Iron-regulated surface determinant protein H

Staphylococcus aureus

UniProt Q8NW39

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 7 Hemoglobin subunit alpha × 2 (P69905) Hemoglobin subunit beta × 2 (P68871) PROTOPORPHYRIN IX CONTAINING FE × 4 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name ISDH_STAAW
Isoform —
PDB entities 3
Chains and sequence ranges Author chain E; PDBConstruct 2–341; UniProt 326–665 Author chain F; PDBConstruct 2–341; UniProt 326–665 Author chain G; PDBConstruct 2–341; UniProt 326–665

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_id9s3p
Deposition date deposition_date2025-07-24
Structure title titleHuman carboxyhemoglobin bound to Staphylococcus aureus IsdH-N2N3 - 3IsdH(alpha2beta):Hbtet complex
Keywords keywordsIron acquisition, Hemophore, Hemoglobin, NEAT domain, METAL TRANSPORT; METAL TRANSPORT
Experimental Method methodELECTRON MICROSCOPY
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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.

9s3p__assembly_1__model_1

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

Download this curve (.dat)

9s3p__assembly_1__model_1 | I(q)

10-2 10-1 106 107 108 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

9s3p__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)38.22 Å
Rg (electron density)37.48 Å
Total Rg37.97 Å
Atom count11494
Residues1418
Excluded volume205000 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 9s3p__assembly_1__model_1 heptameric (7) 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 (4)

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7. Citations (1)