Structure of PDB 1kcd Chain A

Receptor sequence
>1kcdA (length=333) Species: 58369 (Chondrostereum purpureum) [Search protein sequence]
CTVKSVDDAKDIAGCSAVTLNGFTVPAGNTLVLNPDKGATVTMAGDITFA
KTTLDGPLFTIDGTGINFVGADHIFDGNGALYWDGKGTNNGTHKPHPFLK
IKGSGTYKKFEVLNSPAQAISVGPTDAHLTLDGITVDDFAGDTKNLGHNT
DGFDVSANNVTIQNCIVKNQDDCIAINDGNNIRFENNQCSGGHGISIGSI
ATGKHVSNVVIKGNTVTRSMYGVRIKAQRTATSASVSGVTYDANTISGIA
KYGVLISQSYPDDVGNPGTGAPFSDVNFTGGATTIKVNNAATRVTVECGN
CSGNWNWSQLTVTGGKAGTIKSDKAKITGGQYL
3D structure
PDB1kcd Active-site architecture of endopolygalacturonase I from Stereum purpureum revealed by crystal structures in native and ligand-bound forms at atomic resolution.
ChainA
Resolution1.15 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) D153 D173 D174 H195 R226 K228
Catalytic site (residue number reindexed from 1) D151 D171 D172 H193 R224 K226
Enzyme Commision number 3.2.1.15: endo-polygalacturonase.
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 GTK A Q120 N151 D153 D173 S201 K228 Y262 Q118 N149 D151 D171 S199 K226 Y260
BS02 GTR A N91 H150 N151 D173 H195 R226 Y262 N89 H148 N149 D171 H193 R224 Y260
Gene Ontology
Molecular Function
GO:0004650 polygalacturonase activity
Biological Process
GO:0005975 carbohydrate metabolic process

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Molecular Function

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Biological Process
External links
PDB RCSB:1kcd, PDBe:1kcd, PDBj:1kcd
PDBsum1kcd
PubMed12022868
UniProtP79074

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