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6ztv

Crystal Structure of catalase HPII from Escherichia coli (serendipitously crystallized)

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

Catalase HPII

OrganismNot specified

UniProt P21179

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein homooligomer Homooligomer Protein 4 CIS-HEME D HYDROXYCHLORIN GAMMA-SPIROLACTONE × 4 GLYCEROL × 1 1,2-ETHANEDIOL × 1 water × 4 Consistent with protein count

Other States of the Same Protein in the Database

Monomer

None

Homodimer

None

Homotetramer
1cf9 1gg9 1gge 1ggf 1ggh 1ggj 1ggk 1iph 1p7y 1p7z 1p80 1p81

46 assemblies; showing the first 12

Other homooligomers
1ye9 1ye9

2 assemblies

Heteromeric or nucleic-acid complex
3vu3

1 assemblies

View Construct and Data Evidence
UniProt name CATE_ECOLI
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–753； UniProt 1–753 Author chain B； PDBConstruct 1–753； UniProt 1–753 Author chain C； PDBConstruct 1–753； UniProt 1–753 Author chain D； PDBConstruct 1–753； UniProt 1–753

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_id6ztv
Deposition date deposition_date2020-07-20
Structure title titleCrystal Structure of catalase HPII from Escherichia coli (serendipitously crystallized)
Keywords keywordscatalase, hydrogen-peroxide, heme, iron, oxidative stress, artifact crystallization, impurities, contaminations, OXIDOREDUCTASE; OXIDOREDUCTASE
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.

6ztv__assembly_1__model_1

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

Download this curve (.dat)

6ztv__assembly_1__model_1 | I(q)

10-2 10-1 106 107 108 109 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

6ztv__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）41.78 Å
Rg (electron density)41.47 Å
Total Rg42.06 Å
Atom count23158
Residues2900
Excluded volume408810 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 6ztv__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 (5)

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6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (8 domains)

Domain ID domain_idd6ztva1
Class classe — Multi-domain proteins (alpha and beta)
Fold Fold folde.5 — Heme-dependent catalase-like
Superfamily Superfamily superfamilye.5.1 — Heme-dependent catalase-like
Family Family familye.5.1.1 — Heme-dependent catalases
Domain ID domain_idd6ztva2
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.23 — Flavodoxin-like
Superfamily Superfamily superfamilyc.23.16 — Class I glutamine amidotransferase-like
Family Family familyc.23.16.0 — automated matches
Domain ID domain_idd6ztvb1
Class classe — Multi-domain proteins (alpha and beta)
Fold Fold folde.5 — Heme-dependent catalase-like
Superfamily Superfamily superfamilye.5.1 — Heme-dependent catalase-like
Family Family familye.5.1.1 — Heme-dependent catalases
Domain ID domain_idd6ztvb2
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.23 — Flavodoxin-like
Superfamily Superfamily superfamilyc.23.16 — Class I glutamine amidotransferase-like
Family Family familyc.23.16.0 — automated matches
Domain ID domain_idd6ztvc1
Class classe — Multi-domain proteins (alpha and beta)
Fold Fold folde.5 — Heme-dependent catalase-like
Superfamily Superfamily superfamilye.5.1 — Heme-dependent catalase-like
Family Family familye.5.1.1 — Heme-dependent catalases
Domain ID domain_idd6ztvc2
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.23 — Flavodoxin-like
Superfamily Superfamily superfamilyc.23.16 — Class I glutamine amidotransferase-like
Family Family familyc.23.16.0 — automated matches
Domain ID domain_idd6ztvd1
Class classe — Multi-domain proteins (alpha and beta)
Fold Fold folde.5 — Heme-dependent catalase-like
Superfamily Superfamily superfamilye.5.1 — Heme-dependent catalase-like
Family Family familye.5.1.1 — Heme-dependent catalases
Domain ID domain_idd6ztvd2
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.23 — Flavodoxin-like
Superfamily Superfamily superfamilyc.23.16 — Class I glutamine amidotransferase-like
Family Family familyc.23.16.0 — automated matches
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7. Citations (1)