Structure of PDB 2za5 Chain B

Receptor sequence
>2za5B (length=242) Species: 9606 (Homo sapiens) [Search protein sequence]
IVGGQEAPRSKWPWQVSLRVHGPYWMHFCGGSLIHPQWVLTAAHCVGPDV
KDLAALRVQLREQHLYYQDQLLPVSRIIVHPQFYTAQIGADIALLELEEP
VKVSSHVHTVTLPPASETFPPGMPCWVTGWGDVDNDERLPPPFPLKQVKV
PIMENHICDAKYHLGAYTGDDVRIVRDDMLCAGNTRRDSCQGDSGGPLVC
KVNGTWLQAGVVSWGEGCAQPNRPGIYTRVTYYLDWIHHYVP
3D structure
PDB2za5 Potent, nonpeptide inhibitors of human mast cell tryptase. Synthesis and biological evaluation of novel spirocyclic piperidine amide derivatives
ChainB
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) H59 D106 Q206 G207 D208 S209 G210
Catalytic site (residue number reindexed from 1) H44 D91 Q191 G192 D193 S194 G195
Enzyme Commision number 3.4.21.59: tryptase.
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 2FF B Y177 I189 D203 S204 C205 Q206 W229 G230 E231 G232 Y162 I174 D188 S189 C190 Q191 W214 G215 E216 G217 MOAD: Ki=3.7nM
Gene Ontology
Molecular Function
GO:0004252 serine-type endopeptidase activity
GO:0005515 protein binding
GO:0008236 serine-type peptidase activity
Biological Process
GO:0006508 proteolysis
Cellular Component
GO:0005576 extracellular region
GO:0005615 extracellular space
GO:0062023 collagen-containing extracellular matrix

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Cellular Component
External links
PDB RCSB:2za5, PDBe:2za5, PDBj:2za5
PDBsum2za5
PubMed18272363
UniProtP20231|TRYB2_HUMAN Tryptase beta-2 (Gene Name=TPSB2)

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