1hdu

Crystal structure of bovine pancreatic carboxypeptidase A complexed with aminocarbonylphenylalanine at 1.75 A

Method: X-RAY DIFFRACTION Dmax: 117.1 Å Quality: GOOD

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

CARBOXYPEPTIDASE A

OrganismNot specified

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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 111–417 Not recorded ZN ZINC ION × 1 ING D-[(AMINO)CARBONYL]PHENYLALANINE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 7.5;pH 7.50 Resolution 1.75 Å R-free 0.229
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 111–417 Not recorded ZN ZINC ION × 1 ING D-[(AMINO)CARBONYL]PHENYLALANINE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 7.5;pH 7.50 Resolution 1.75 Å R-free 0.229
3 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain D; UniProt 111–417 Not recorded ZN ZINC ION × 1 ING D-[(AMINO)CARBONYL]PHENYLALANINE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 7.5;pH 7.50 Resolution 1.75 Å R-free 0.229
4 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain E; UniProt 111–417 Not recorded ZN ZINC ION × 1 ING D-[(AMINO)CARBONYL]PHENYLALANINE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 7.5;pH 7.50 Resolution 1.75 Å R-free 0.229

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 42 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 Author chain D; PDBConstruct 1–307; UniProt 111–417 Author chain E; PDBConstruct 1–307; UniProt 111–417

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

SAXS profile for 1hdu

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1hdu
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1hdu
Deposition date deposition_date2000-11-17
Structure title titleCrystal structure of bovine pancreatic carboxypeptidase A complexed with aminocarbonylphenylalanine at 1.75 A
Keywords keywordsCARBOXYPEPTIDASE, CPA, LBHB, INHIBITOR; CARBOXYPEPTIDASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier35.94
Radius of gyration Rg (electron density) rg_electron35.48
Forward intensity I(0) i0287144000.00
Molecular weight molecular_weight138660.0 kDa
Excluded volume excluded_volume173850 ų
Envelope volume envelope_volume213890 ų
Hydration-shell volume shell_volume50219 ų
Envelope diameter envelope_diameter126.3
Shell Rg shell_rg41.79
Envelope Rg envelope_rg34.87
Shape Rg shape_rg35.47
Total Rg total_rg35.95
Total atoms total_atoms9808
Residues n_residues1228
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 −1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3

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

Maximum dimension Dmax dmax117.1
Rg (real space) rg_real35.92
Rg uncertainty (real space) rg_real_error0.74
I(0) (real space) i0_real2.8710e+08
I(0) uncertainty (real space) i0_real_error4.3690e+06
Rg (reciprocal space) rg_reciprocal35.94
I(0) (reciprocal space) i0_reciprocal287100000.0000
Solution quality estimate total_estimate0.8779
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary45.2
Skewness Skewness skewness0.321
Kurtosis Kurtosis kurtosis-0.292
Angular range angular_range— – 0.2200 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha89470000.0000
Real-space data points n_real_points45
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.896; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.996; Smooth: 0.725

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd1hdua_
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_idd1hdub_
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_idd1hdud_
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_idd1hdue_
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

CATH v4.4 (4 domains)

Domain ID domain_id1hduA00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology630 — Aminopeptidase
Homologous superfamily homologous superfamily10 — Zn peptidases
Domain ID domain_id1hduB00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology630 — Aminopeptidase
Homologous superfamily homologous superfamily10 — Zn peptidases
Domain ID domain_id1hduD00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology630 — Aminopeptidase
Homologous superfamily homologous superfamily10 — Zn peptidases
Domain ID domain_id1hduE00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology630 — Aminopeptidase
Homologous superfamily homologous superfamily10 — Zn peptidases

8. Citations (1)

9. Files and Curves (10)