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7cat

The NADPH binding site on beef liver catalase

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

CATALASE

Bos taurus

UniProt P00432

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 NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 4 water × 4 Consistent with protein count

Other States of the Same Protein in the Database

Monomer

None

Homodimer

None

Homotetramer
1tgu 1th2 1th3 1th4 3j7b 3nwl 3re8 3rgp 3rgs 4blc 5gkn 6jnt

19 assemblies; showing the first 12

Other homooligomers

None

Heteromeric or nucleic-acid complex

None

View Construct and Data Evidence
UniProt name CATA_BOVIN
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–506； UniProt 1–506 Author chain B； PDBConstruct 1–506； UniProt 1–506

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_id7cat
Deposition date deposition_date1984-11-15
Structure title titleThe NADPH binding site on beef liver catalase
Keywords keywordsOXIDOREDUCTASE, H2O2 ACCEPTOR; 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.

7cat__assembly_1__model_1

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

Download this curve (.dat)

7cat__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.

7cat__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）36.85 Å
Rg (electron density)36.07 Å
Total Rg36.64 Å
Atom count16396
Residues1992
Excluded volume287570 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 7cat__assembly_1__model_1 4-MERIC （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) 8 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd7cata_
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_idd7catb_
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

CATH v4.4 (6 domains)

Domain ID domain_id7catA01
Class class4 — Few Secondary Structures
Architecture architecture10 — Irregular
Topology topology91 — Cytochrome C Oxidase; Chain J
Homologous superfamily homologous superfamily20 —
Domain ID domain_id7catA02
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_id7catA03
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology1370 — Hemocyanin, N-terminal domain
Homologous superfamily homologous superfamily60 —
Domain ID domain_id7catB01
Class class4 — Few Secondary Structures
Architecture architecture10 — Irregular
Topology topology91 — Cytochrome C Oxidase; Chain J
Homologous superfamily homologous superfamily20 —
Domain ID domain_id7catB02
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_id7catB03
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology1370 — Hemocyanin, N-terminal domain
Homologous superfamily homologous superfamily60 —
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7. Citations (10)