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6ai5

Disulfide-free, Zn-directed tetramer of the engineered cyt cb562 variant, C96T/A104AB3

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

Soluble cytochrome b562

Escherichia coli

UniProt P0ABE7

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein homooligomer Homooligomer Protein 4 PROTOPORPHYRIN IX CONTAINING FE × 4 ZINC ION × 8 CHLORIDE ION × 5 MAGNESIUM ION × 4 water × 4 Consistent with protein count

Other States of the Same Protein in the Database

Monomer
1apc 1m6t 1qpu 1qq3 256b 256b 2bc5 2bc5 2bc5 2bc5 3fop 3fop

78 assemblies; showing the first 12

Homodimer
1lm3 2bc5 2bc5 3de8 3de8 3hnk 3hnl 3l1m 3tol 3tol 3tom 3tom

35 assemblies; showing the first 12

Homotetramer
2bc5 2bc5 2bc5 2bc5 2qla 3c62 3c63 3de8 3hni 3hni 3hnj 3hnl

36 assemblies; showing the first 12

Other homooligomers
3de9 3foo 3foo 3foo 3foo 3fop 3m15 3m4b 6dhz 6ot4 6ot7 6ot8

39 assemblies; showing the first 12

Heteromeric or nucleic-acid complex
10kt 11td 11tf 11th 11tk 11tl 22em 24xy 24xz 25ik 25il 28vj

635 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name C562_ECOLX
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–106； UniProt 23–128 Author chain C； PDBConstruct 1–106； UniProt 23–128 Author chain E； PDBConstruct 1–106； UniProt 23–128 Author chain G； PDBConstruct 1–106； UniProt 23–128

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_id6ai5
Deposition date deposition_date2018-08-21
Structure title titleDisulfide-free, Zn-directed tetramer of the engineered cyt cb562 variant, C96T/A104AB3
Keywords keywordsde novo protein, ELECTRON TRANSPORT; ELECTRON TRANSPORT
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.

6ai5__assembly_1__model_1

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

Download this curve (.dat)

6ai5__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.

6ai5__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）22.11 Å
Rg (electron density)21.00 Å
Total Rg21.84 Å
Atom count3489
Residues424
Excluded volume61292 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 6ai5__assembly_1__model_1 tetrameric （4） 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 (6)

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6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd6ai5a_
Class classa — All alpha proteins
Fold Fold folda.24 — Four-helical up-and-down bundle
Superfamily Superfamily superfamilya.24.3 — Cytochromes
Family Family familya.24.3.1 — Cytochrome b562
Domain ID domain_idd6ai5c_
Class classa — All alpha proteins
Fold Fold folda.24 — Four-helical up-and-down bundle
Superfamily Superfamily superfamilya.24.3 — Cytochromes
Family Family familya.24.3.1 — Cytochrome b562
Domain ID domain_idd6ai5e_
Class classa — All alpha proteins
Fold Fold folda.24 — Four-helical up-and-down bundle
Superfamily Superfamily superfamilya.24.3 — Cytochromes
Family Family familya.24.3.1 — Cytochrome b562
Domain ID domain_idd6ai5g_
Class classa — All alpha proteins
Fold Fold folda.24 — Four-helical up-and-down bundle
Superfamily Superfamily superfamilya.24.3 — Cytochromes
Family Family familya.24.3.1 — Cytochrome b562
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7. Citations (1)