1EST

THE ATOMIC STRUCTURE OF CRYSTALLINE PORCINE PANCREATIC ELASTASE AT 2.5 ANGSTROMS RESOLUTION. COMPARISONS WITH THE STRUCTURE OF ALPHA-CHYMOTRYPSIN

PDB DOI: https://doi.org/10.2210/pdb1EST/pdb

Classification: HYDROLASE
Organism(s): Sus scrofa
Mutation(s): No

Deposited: 1976-05-17 Released: 1976-05-27
Deposition Author(s): Sawyer, L., Shotton, D.M., Watson, H.C.

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

The atomic structure of crystalline porcine pancreatic elastase at 2.5 A resolution: comparisons with the structure of alpha-chymotrypsin.

Sawyer, L., Shotton, D.M., Campbell, J.W., Wendell, P.L., Muirhead, H., Watson, H.C., Diamond, R., Ladner, R.C.

(1978) J Mol Biol 118: 137-208

PubMed: 628010 Search on PubMed
DOI: https://doi.org/10.1016/0022-2836(78)90412-6
Primary Citation of Related Structures:
1EST

Macromolecule Content

Total Structure Weight: 26.2 kDa
Atom Count: 1,858
Modelled Residue Count: 240
Deposited Residue Count: 240
Unique protein chains: 1

Macromolecules

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(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
PORCINE PANCREATIC ELASTASE	A	240	Sus scrofa	Mutation(s): 0 EC: 3.4.21.36
UniProt
Find proteins for P00772 (Sus scrofa) Explore P00772 Go to UniProtKB: P00772
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	P00772
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
TSU Query on TSU Download Ideal Coordinates CCD File SDF format, chain C [auth A] MOL2 format, chain C [auth A]	C [auth A]	PARA-TOLUENE SULFONATE C₇ H₈ O₃ S JOXIMZWYDAKGHI-UHFFFAOYSA-N		Interactions Focus chain C [auth A]
SO4 Query on SO4 Download Ideal Coordinates CCD File SDF format, chain B [auth A] MOL2 format, chain B [auth A]	B [auth A]	SULFATE ION O₄ S QAOWNCQODCNURD-UHFFFAOYSA-L		Interactions Focus chain B [auth A]

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 2.50 Å
Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 51.5	α = 90
b = 58	β = 90
c = 75.5	γ = 90

Structure Validation

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Entry History

Deposition Data

Released Date: 1976-05-27

Deposition Author(s):

Revision History (Full details and data files)

Version 1.0: 1976-05-27
Type: Initial release
Version 1.1: 2008-03-03
Changes: Version format compliance
Version 1.2: 2011-07-13
Changes: Version format compliance
Version 1.3: 2011-08-24
Changes: Non-polymer description

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.