Structure of PDB 3pep Chain A

Receptor sequence
>3pepA (length=326) Species: 9823 (Sus scrofa) [Search protein sequence]
IGDEPLENYLDTEYFGTIGIGTPAQDFTVIFDTGSSNLWVPSVYCSSLAC
SDHNQFNPDDSSTFEATSQELSITYGTGSMTGILGYDTVQVGGISDTNQI
FGLSETEPGSFLYYAPFDGILGLAYPSISASGATPVFDNLWDQGLVSQDL
FSVYLSSNDDSGSVVLLGGIDSSYYTGSLNWVPVSVEGYWQITLDSITMD
GETIACSGGCQAIVDTGTSLLTGPTSAIANIQSDIGASENSDGEMVISCS
SIDSLPDIVFTIDGVQYPLSPSAYILQDDDSCTSGFEGMDVPTSSGELWI
LGDVFIRQYYTVFDRANNKVGLAPVA
3D structure
PDB3pep Revised 2.3 A structure of porcine pepsin: evidence for a flexible subdomain
ChainA
Resolution2.3 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) D32 S35 N37 W39 Y75 D215 T218
Catalytic site (residue number reindexed from 1) D32 S35 N37 W39 Y75 D215 T218
Enzyme Commision number 3.4.23.1: pepsin A.
Interaction with ligand
Site
#
Ligand Ligand
chain
Binding residues on receptor
(original residue number in PDB)
Binding residues on receptor
(residue number reindexed from 1)
Binding affinity
BS01 EOH A Y14 T216 Y14 T216
Gene Ontology
Molecular Function
GO:0004190 aspartic-type endopeptidase activity
Biological Process
GO:0006508 proteolysis

View graph for
Molecular Function

View graph for
Biological Process
External links
PDB RCSB:3pep, PDBe:3pep, PDBj:3pep
PDBsum3pep
PubMed2217165
UniProtP00791|PEPA_PIG Pepsin A (Gene Name=PGA)

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