Structure of PDB 1a0l Chain B

Receptor sequence
>1a0lB (length=244) Species: 9606 (Homo sapiens) [Search protein sequence]
IVGGQEAPRSKWPWQVSLRVHGPYWMHFCGGSLIHPQWVLTAAHCVGPDV
KDLAALRVQLREQHLYYQDQLLPVSRIIVHPQFYTAQIGADIALLELEEP
VKVSSHVHTVTLPPASETFPPGMPCWVTGWGDVDNDERLPPPFPLKQVKV
PIMENHICDAKYHLGAYTGDDVRIVRDDMLCAGNTRRDSCQGDSGGPLVC
KVNGTWLQAGVVSWGEGCAQPNRPGIYTRVTYYLDWIHHYVPKK
3D structure
PDB1a0l Human beta-tryptase is a ring-like tetramer with active sites facing a central pore.
ChainB
Resolution3.0 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) H57 D102 Q192 G193 D194 S195 G196
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 APA B H57 D189 S190 C191 Q192 G193 D194 S195 V213 H44 D188 S189 C190 Q191 G192 D193 S194 V212
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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Molecular Function
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Cellular Component
External links
PDB RCSB:1a0l, PDBe:1a0l, PDBj:1a0l
PDBsum1a0l
PubMed9521329
UniProtP20231|TRYB2_HUMAN Tryptase beta-2 (Gene Name=TPSB2)

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