4CPA

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


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.50 Å

wwPDB Validation 3D Report Full Report


This is version 1.3 of the entry. See complete history


Literature

Refined crystal structure of the potato inhibitor complex of carboxypeptidase A at 2.5 A resolution.

Rees, D.C.Lipscomb, W.N.

(1982) J Mol Biol 160: 475-498


Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 2
MoleculeChainsSequence LengthOrganismDetails
METALLOCARBOXYPEPTIDASE INHIBITORI, J38Solanum tuberosumMutation(s): 0 
Find proteins for P01075 (Solanum tuberosum)
Explore P01075 
Go to UniProtKB:  P01075
Protein Feature View
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  • Reference Sequence

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
CARBOXYPEPTIDASE AA, B307Bos taurusMutation(s): 0 
Gene Names: CPA1CPA
EC: 3.4.17.1
Find proteins for P00730 (Bos taurus)
Explore P00730 
Go to UniProtKB:  P00730
Protein Feature View
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  • Reference Sequence
Small Molecules
Ligands 2 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
GLY
Query on GLY

Download CCD File 
A, B
GLYCINE
C2 H5 N O2
DHMQDGOQFOQNFH-UHFFFAOYSA-N
 Ligand Interaction
ZN
Query on ZN

Download CCD File 
I, J
ZINC ION
Zn
PTFCDOFLOPIGGS-UHFFFAOYSA-N
 Ligand Interaction
External Ligand Annotations 
IDBinding Affinity (Sequence Identity %)
GLYKd :  5   nM  PDBBind
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.50 Å
  • Space Group: P 32
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 53.45α = 90
b = 53.45β = 90
c = 218.5γ = 120
Software Package:
Software NamePurpose
PROLSQrefinement

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 1982-07-29
    Type: Initial release
  • Version 1.1: 2008-03-25
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Advisory, Version format compliance
  • Version 1.3: 2017-11-29
    Changes: Derived calculations, Other