4cpa

REFINED CRYSTAL STRUCTURE OF THE POTATO INHIBITOR COMPLEX OF CARBOXYPEPTIDASE A AT 2.5 ANGSTROMS RESOLUTION

Method: X-RAY DIFFRACTION

1. Protein Identity and Related Structures Protein Identity & Related Structures

CARBOXYPEPTIDASE A

Bos taurus

UniProt P00730

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 111–417 Not recorded METALLOCARBOXYPEPTIDASE INHIBITOR × 1 (P01075) GLY GLYCINE × 1 ZN ZINC ION × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed experimental conditions Resolution 2.50 Å
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain B; UniProt 111–417 Not recorded METALLOCARBOXYPEPTIDASE INHIBITOR × 1 (P01075) GLY GLYCINE × 1 ZN ZINC ION × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed experimental conditions Resolution 2.50 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

29 other PDB entries and 44 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CBPA_BOVIN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–307; UniProt 111–417 Author chain B; PDBConstruct 1–307; UniProt 111–417

METALLOCARBOXYPEPTIDASE INHIBITOR

Solanum tuberosum

UniProt P01075

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain I; UniProt 3–38 Not recorded CARBOXYPEPTIDASE A × 1 (P00730) GLY GLYCINE × 1 ZN ZINC ION × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed experimental conditions Resolution 2.50 Å
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain J; UniProt 3–38 Not recorded CARBOXYPEPTIDASE A × 1 (P00730) GLY GLYCINE × 1 ZN ZINC ION × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed experimental conditions Resolution 2.50 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

2 other PDB entries and 2 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name MCPI_SOLTU
Isoform
PDB entities 2
Chains and sequence ranges Author chain I; PDBConstruct 3–38; UniProt 3–38 Author chain J; PDBConstruct 3–38; UniProt 3–38

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.

SAXS scattering curve SAXS Profile

暂无 SAXS 图

P(r) Distance Distribution P(r) Distribution

暂无 P(r) 图
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2. Structure Basics 2. Structure Basics

Entry ID entry_id4cpa
Deposition date deposition_date1982-03-24
Structure title titleREFINED CRYSTAL STRUCTURE OF THE POTATO INHIBITOR COMPLEX OF CARBOXYPEPTIDASE A AT 2.5 ANGSTROMS RESOLUTION
Keywords keywordsHYDROLASE (C-TERMINAL PEPTIDASE); HYDROLASE (C-TERMINAL PEPTIDASE)
Experimental Method methodX-RAY DIFFRACTION

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

该条目暂无 SAXS 数据。

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

该条目暂无 P(r) 分析数据。

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd4cpaa_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.56 — Phosphorylase/hydrolase-like
Superfamily Superfamily superfamilyc.56.5 — Zn-dependent exopeptidases
Family Family familyc.56.5.1 — Pancreatic carboxypeptidases
Domain ID domain_idd4cpab_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.56 — Phosphorylase/hydrolase-like
Superfamily Superfamily superfamilyc.56.5 — Zn-dependent exopeptidases
Family Family familyc.56.5.1 — Pancreatic carboxypeptidases
Domain ID domain_idd4cpai_
Class classg — Small proteins
Fold Fold foldg.3 — Knottins (small inhibitors, toxins, lectins)
Superfamily Superfamily superfamilyg.3.2 — Plant inhibitors of proteinases and amylases
Family Family familyg.3.2.1 — Plant inhibitors of proteinases and amylases
Domain ID domain_idd4cpaj_
Class classg — Small proteins
Fold Fold foldg.3 — Knottins (small inhibitors, toxins, lectins)
Superfamily Superfamily superfamilyg.3.2 — Plant inhibitors of proteinases and amylases
Family Family familyg.3.2.1 — Plant inhibitors of proteinases and amylases

CATH v4.4 (2 domains)

Domain ID domain_id4cpaA00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology630 — Aminopeptidase
Homologous superfamily homologous superfamily10 — Zn peptidases
Domain ID domain_id4cpaB00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology630 — Aminopeptidase
Homologous superfamily homologous superfamily10 — Zn peptidases

8. Citations (4)

9. Files and Curves (0)