Structure of PDB 3hg4 Chain B

Receptor sequence
>3hg4B (length=392) Species: 9606 (Homo sapiens) [Search protein sequence]
LDNGLARTPTMGWLHWERFMCNLDCQEEPDSCISEKLFMEMAELMVSEGW
KDAGYEYLCIDDCWMAPQRDSEGRLQADPQRFPHGIRQLANYVHSKGLKL
GIYADVGNKTCAGFPGSFGYYDIDAQTFADWGVDLLKFDGCYCDSLENLA
DGYKHMSLALNRTGRSIVYSCEWPLYMWPFQKPNYTEIRQYCNHWRNFAD
IDDSWKSIKSILDWTSFNQERIVDVAGPGGWNDPDMLVIGNFGLSWNQQV
TQMALWAIMAAPLFMSNDLRHISPQAKALLQDKDVIAINQDPLGKQGYQL
RQGDNFEVWERPLSGLAWAVAMINRQEIGGPRSYTIAVASLGKGVACNPA
CFITQLLPVKRKLGFYEWTSRLRSHINPTGTVLLQLENTMQM
3D structure
PDB3hg4 Catalytic mechanism of human alpha-galactosidase.
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) D170 D231
Catalytic site (residue number reindexed from 1) D139 D200
Enzyme Commision number 3.2.1.22: alpha-galactosidase.
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 7JZ B W47 D92 D93 Y134 C142 K168 D170 E203 D231 W16 D61 D62 Y103 C111 K137 D139 E172 D200
BS02 GAL B Y329 K374 Y298 K343
Gene Ontology
Molecular Function
GO:0003824 catalytic activity
GO:0004553 hydrolase activity, hydrolyzing O-glycosyl compounds
GO:0004557 alpha-galactosidase activity
GO:0005102 signaling receptor binding
GO:0005515 protein binding
GO:0016787 hydrolase activity
GO:0016798 hydrolase activity, acting on glycosyl bonds
GO:0016936 galactoside binding
GO:0042803 protein homodimerization activity
Biological Process
GO:0005975 carbohydrate metabolic process
GO:0006629 lipid metabolic process
GO:0009311 oligosaccharide metabolic process
GO:0016139 glycoside catabolic process
GO:0019915 lipid storage
GO:0030168 platelet activation
GO:0030431 sleep
GO:0031133 regulation of axon diameter
GO:0045019 negative regulation of nitric oxide biosynthetic process
GO:0046477 glycosylceramide catabolic process
GO:0046479 glycosphingolipid catabolic process
GO:0051001 negative regulation of nitric-oxide synthase activity
GO:0070527 platelet aggregation
GO:0090325 regulation of locomotion involved in locomotory behavior
Cellular Component
GO:0005576 extracellular region
GO:0005737 cytoplasm
GO:0005764 lysosome
GO:0005794 Golgi apparatus
GO:0035578 azurophil granule lumen
GO:0043202 lysosomal lumen
GO:0070062 extracellular exosome

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:3hg4, PDBe:3hg4, PDBj:3hg4
PDBsum3hg4
PubMed19940122
UniProtP06280|AGAL_HUMAN Alpha-galactosidase A (Gene Name=GLA)

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