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1afq

CRYSTAL STRUCTURE OF BOVINE GAMMA-CHYMOTRYPSIN COMPLEXED WITH A SYNTHETIC INHIBITOR

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

BOVINE GAMMA-CHYMOTRYPSIN

OrganismNot specified

UniProt P00766

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein homooligomer Homooligomer Protein 3 D-leucyl-N-(4-fluorobenzyl)-L-phenylalaninamide × 2 SULFATE ION × 1 water × 3 Consistent with protein count

Other States of the Same Protein in the Database

Monomer
1chg 1ex3 1k2i

3 assemblies

Homodimer
1gcd 1k2i 1oxg 2cga 4q2k 4q2k 7kty 7ktz 7ku0 7ku1 7ku2 7ku3

12 assemblies

Homotetramer

None

Other homooligomers
1afq 1gg6 1ggd 1ggd 1ggd 1gmh 1gmh 1gmh 1vgc 1vgc 1vgc 1yph

44 assemblies; showing the first 12

Heteromeric or nucleic-acid complex
1ab9 1ab9 1ab9 1acb 1ca0 1ca0 1cbw 1cbw 1cbw 1cgi 1cgj 1cho

119 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name CTRA_BOVIN
Isoform —
PDB entities 1, 2, 3
Chains and sequence ranges Author chain A； PDBConstruct 1–13； UniProt 1–13 Author chain B； PDBConstruct 1–131； UniProt 16–146 Author chain C； PDBConstruct 1–96； UniProt 150–245

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_id1afq
Deposition date deposition_date1997-03-12
Structure title titleCRYSTAL STRUCTURE OF BOVINE GAMMA-CHYMOTRYPSIN COMPLEXED WITH A SYNTHETIC INHIBITOR
Keywords keywordsHYDROLASE-HYDROLASE INHIBITOR COMPLEX; HYDROLASE/HYDROLASE INHIBITOR
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.

1afq__assembly_1__model_1

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

Download this curve (.dat)

1afq__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.

1afq__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）17.56 Å
Rg (electron density)16.36 Å
Total Rg17.50 Å
Atom count1806
Residues237
Excluded volume31939 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1afq__assembly_1__model_1 trimeric （3） 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) 3 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1afq.1
Class classb — All beta proteins
Fold Fold foldb.47 — Trypsin-like serine proteases
Superfamily Superfamily superfamilyb.47.1 — Trypsin-like serine proteases
Family Family familyb.47.1.2 — Eukaryotic proteases

CATH v4.4 (2 domains)

Domain ID domain_id1afqB00
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases
Domain ID domain_id1afqC00
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases
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7. Citations (4)