2KAI

REFINED 2.5 ANGSTROMS X-RAY CRYSTAL STRUCTURE OF THE COMPLEX FORMED BY PORCINE KALLIKREIN A AND THE BOVINE PANCREATIC TRYPSIN INHIBITOR. CRYSTALLIZATION, PATTERSON SEARCH, STRUCTURE DETERMINATION, REFINEMENT, STRUCTURE AND COMPARISON WITH ITS COMPONENTS AND WITH THE BOVINE TRYPSIN-PANCREATIC TRYPSIN INHIBITOR COMPLEX

PDB DOI: https://doi.org/10.2210/pdb2KAI/pdb

Classification: COMPLEX (PROTEINASE-INHIBITOR)
Organism(s): Sus scrofa, Bos taurus
Mutation(s): No

Deposited: 1984-05-21 Released: 1984-07-19
Deposition Author(s): Bode, W., Chen, Z.

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 2.50 Å
R-Value Work: 0.224

wwPDB Validation 3D Report Full Report

This is version 1.2 of the entry. See complete history.

Literature

Refined 2.5 A X-ray crystal structure of the complex formed by porcine kallikrein A and the bovine pancreatic trypsin inhibitor. Crystallization, Patterson search, structure determination, refinement, structure and comparison with its components and with the bovine trypsin-pancreatic trypsin inhibitor complex

Chen, Z., Bode, W.

(1983) J Mol Biol 164: 283-311

PubMed: 6188842 Search on PubMed
DOI: https://doi.org/10.1016/0022-2836(83)90078-5
Primary Citation of Related Structures:
2KAI

Macromolecule Content

Total Structure Weight: 32.16 kDa
Atom Count: 2,247
Modelled Residue Count: 289
Deposited Residue Count: 290
Unique protein chains: 3

Macromolecules

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(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
KALLIKREIN A	A	80	Sus scrofa	Mutation(s): 0 EC: 3.4.21.8
UniProt
Find proteins for P00752 (Sus scrofa) Explore P00752 Go to UniProtKB: P00752
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	P00752
Sequence Annotations Expand
Reference Sequence

Find similar proteins by:

(by identity cutoff) | 3D Structure

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
KALLIKREIN A	B	152	Sus scrofa	Mutation(s): 0 EC: 3.4.21.8
UniProt
Find proteins for P00752 (Sus scrofa) Explore P00752 Go to UniProtKB: P00752
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	P00752
Sequence Annotations Expand
Reference Sequence

Find similar proteins by:

(by identity cutoff) | 3D Structure

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
BOVINE PANCREATIC TRYPSIN INHIBITOR	C [auth I]	58	Bos taurus	Mutation(s): 0
UniProt
Find proteins for P00974 (Bos taurus) Explore P00974 Go to UniProtKB: P00974
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	P00974
Sequence Annotations Expand
Reference Sequence

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 2.50 Å
R-Value Work: 0.224
Space Group: P 4₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 106.2	α = 90
b = 106.2	β = 90
c = 108.6	γ = 90

Software Package:

Software Name	Purpose
EREF	refinement

Structure Validation

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Entry History

Deposition Data

Released Date: 1984-07-19

Deposition Author(s):

Revision History (Full details and data files)

Version 1.0: 1984-07-19
Type: Initial release
Version 1.1: 2008-03-24
Changes: Version format compliance
Version 1.2: 2011-07-13
Changes: Version format compliance

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.