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4bfl

Structure of natively expressed catalase HPII

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 PROTOPORPHYRIN IX CONTAINING FE × 4 1,2-ETHANEDIOL × 3 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_id4bfl
Deposition date deposition_date2013-03-19
Structure title titleStructure of natively expressed catalase HPII
Keywords keywordsOXIDOREDUCTASE, NATIVE EXPRESSION, WILD TYPE; 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.

4bfl__assembly_1__model_1

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

Download this curve (.dat)

4bfl__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.

4bfl__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）41.75 Å
Rg (electron density)41.43 Å
Total Rg42.01 Å
Atom count23602
Residues2967
Excluded volume416100 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 4bfl__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 (4)

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6. Fold Classification (SCOP + CATH) 20 domains

SCOP 2.08 (8 domains)

Domain ID domain_idd4bfla1
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_idd4bfla2
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.23.16.3 — Catalase, C-terminal domain
Domain ID domain_idd4bflb1
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_idd4bflb2
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.23.16.3 — Catalase, C-terminal domain
Domain ID domain_idd4bflc1
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_idd4bflc2
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.23.16.3 — Catalase, C-terminal domain
Domain ID domain_idd4bfld1
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_idd4bfld2
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.23.16.3 — Catalase, C-terminal domain

CATH v4.4 (12 domains)

Domain ID domain_id4bflA01
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology180 — Catalase HpII, Chain A, domain 1
Homologous superfamily homologous superfamily10 — Catalase core domain
Domain ID domain_id4bflA02
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology1370 — Hemocyanin, N-terminal domain
Homologous superfamily homologous superfamily20 — Catalase, four-helical domain
Domain ID domain_id4bflA03
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily880 — Class I glutamine amidotransferase (GATase) domain
Domain ID domain_id4bflB01
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology180 — Catalase HpII, Chain A, domain 1
Homologous superfamily homologous superfamily10 — Catalase core domain
Domain ID domain_id4bflB02
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology1370 — Hemocyanin, N-terminal domain
Homologous superfamily homologous superfamily20 — Catalase, four-helical domain
Domain ID domain_id4bflB03
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily880 — Class I glutamine amidotransferase (GATase) domain
Domain ID domain_id4bflC01
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology180 — Catalase HpII, Chain A, domain 1
Homologous superfamily homologous superfamily10 — Catalase core domain
Domain ID domain_id4bflC02
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology1370 — Hemocyanin, N-terminal domain
Homologous superfamily homologous superfamily20 — Catalase, four-helical domain
Domain ID domain_id4bflC03
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily880 — Class I glutamine amidotransferase (GATase) domain
Domain ID domain_id4bflD01
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology180 — Catalase HpII, Chain A, domain 1
Homologous superfamily homologous superfamily10 — Catalase core domain
Domain ID domain_id4bflD02
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology1370 — Hemocyanin, N-terminal domain
Homologous superfamily homologous superfamily20 — Catalase, four-helical domain
Domain ID domain_id4bflD03
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily880 — Class I glutamine amidotransferase (GATase) domain
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7. Citations (1)