Structure of PDB 4as4 Chain A

Receptor sequence
>4as4A (length=274) Species: 9606 (Homo sapiens) [Search protein sequence]
DPWQECMDYAVTLARQAGEVVCEAIKNEMNVMLKSSPVDLVTATDQKVEK
MLISSIKEKYPSHSFIGEESVAAGEKSILTDNPTWIIDPIDGTTNFVHRF
PFVAVSIGFAVNKKIEFGVVYSCVEGKMYTARKGKGAFCNGQKLQVSQQE
DITKSLLVTELGSSRTPETVRMVLSNMEKLFCIPVHGIRSVGTAAVNMCL
VATGGADAYYEMGIHCWDVAGAGIIVTEAGGVLMDVTGGPFDLMSRRVIA
ANNRILAERIAKEIQVIPLQRDDE
3D structure
PDB4as4 Cloning, Expression, Purification, Crystallization and X-Ray Analysis of Inositol Monophosphatase from Mus Musculus and Homo Sapiens.
ChainA
Resolution1.7 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) D47 E70 D90 I92 D93 T95 D220
Catalytic site (residue number reindexed from 1) D45 E68 D88 I90 D91 T93 D218
Enzyme Commision number 3.1.3.25: inositol-phosphate phosphatase.
3.1.3.94: D-galactose 1-phosphate phosphatase.
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 PO4 A E70 D90 I92 D93 G94 T95 E68 D88 I90 D91 G92 T93
BS02 MG A E70 D90 I92 E68 D88 I90
BS03 MG A D90 D93 D220 D88 D91 D218
Gene Ontology
Molecular Function
GO:0000287 magnesium ion binding
GO:0005515 protein binding
GO:0008934 inositol monophosphate 1-phosphatase activity
GO:0016787 hydrolase activity
GO:0030145 manganese ion binding
GO:0031403 lithium ion binding
GO:0042802 identical protein binding
GO:0042803 protein homodimerization activity
GO:0046872 metal ion binding
GO:0052832 inositol monophosphate 3-phosphatase activity
GO:0052833 inositol monophosphate 4-phosphatase activity
GO:0052834 inositol monophosphate phosphatase activity
Biological Process
GO:0006020 inositol metabolic process
GO:0006021 inositol biosynthetic process
GO:0006661 phosphatidylinositol biosynthetic process
GO:0006796 phosphate-containing compound metabolic process
GO:0007165 signal transduction
GO:0046854 phosphatidylinositol phosphate biosynthetic process
Cellular Component
GO:0005737 cytoplasm
GO:0005829 cytosol

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:4as4, PDBe:4as4, PDBj:4as4
PDBsum4as4
PubMed23027737
UniProtP29218|IMPA1_HUMAN Inositol monophosphatase 1 (Gene Name=IMPA1)

[Back to BioLiP]