Structure of PDB 1cnm Chain A

Receptor sequence
>1cnmA (length=279) Species: 37998 (Parengyodontium album) [Search protein sequence]
AAQTNAPWGLARISSTSPGTSTYYYDESAGQGSCVYVIDTGIEASHPEFE
GRAQMVKTYYYSSRDGNGHGTHCAGTVGSRTYGVAKKTQLFGVKVLDDNG
SGQYSTIIAGMDFVASDKNNRNCPKGVVASLSLGGGYSSSVNSAAARLQS
SGVMVAVAAGNNNADARNYSPASEPSVCTVGASDRYDRRSSFSNYGSVLD
IFGPGTSILSTWIGGSTRSISGTSMATPHVAGLAAYLMTLGKTTAASACR
YIADTANKGDLSNIPFGTVNLLAYNNYQA
3D structure
PDB1cnm Enhancement of catalytic efficiency of enzymes through exposure to anhydrous organic solvent at 70 degrees C. Three-dimensional structure of a treated serine proteinase at 2.2 A resolution.
ChainA
Resolution2.2 Å
3D
structure
Catalytic site residues are labeled in the structure
[Spin on]
[Spin off]
[Reset orientation]

[High quality]
[Low quality]

[White background]
[Black background]

[Download]
[Download structure with residue number starting from 1]
Enzymatic activity
Catalytic site (original residue number in PDB) D39 H69 N161 S224
Catalytic site (residue number reindexed from 1) D39 H69 N161 S224
Enzyme Commision number 3.4.21.64: peptidase K.
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 CA A P175 V177 D200 P175 V177 D200
BS02 CA A T16 D260 T16 D260
Gene Ontology
Molecular Function
GO:0004252 serine-type endopeptidase activity
GO:0008236 serine-type peptidase activity
Biological Process
GO:0006508 proteolysis

View graph for
Molecular Function

View graph for
Biological Process
External links
PDB RCSB:1cnm, PDBe:1cnm, PDBj:1cnm
PDBsum1cnm
PubMed10737944
UniProtP06873|PRTK_PARAQ Proteinase K (Gene Name=PROK)

[Back to BioLiP]