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Gene, Transcriptome, Protein, Pathway or Disease. 

Protein basic information

LiverAtlas Protein ID

HuLPr25304

Uniprot ID

INP4B_HUMAN

Uniprot Acc

O15327;Q2TAI2;Q6IN59;Q6PJB4;

Protein name

Type II inositol-3,4-bisphosphate 4-phosphatase

Comment

FUNCTION:Catalyzes the hydrolysis of the 4-position phosphate of phosphatidylinositol 3,4-bisphosphate, inositol 1,3,4- trisphosphate and inositol 1,4-bisphosphate.||CATALYTIC ACTIVITY:1-phosphatidyl-myo-inositol 3,4-bisphosphate + H(2)O = 1-phosphatidyl-1D-myo-inositol 3-phosphate + phosphate.||ENZYME REGULATION:Strongly inhibited by inositol hexakisphosphate (By similarity).||PATHWAY:Signal transduction; phosphatidylinositol signaling pathway.||TISSUE SPECIFICITY:Widely expressed with highest levels occurring in the skeletal muscle and heart.||SIMILARITY:Belongs to the inositol-3,4-bisphosphate 4-phosphatase family.||SIMILARITY:Contains 1 C2 domain.||SEQUENCE CAUTION:Sequence=AAH72447.1; Type=Miscellaneous discrepancy; Note=Contaminating sequence. Potential poly-A sequence;

Gene name

inositol polyphosphate-4-phosphatase, type II, 105kDa

Protein sequence

MEIKEEGASEEGQHFLPTAQANDPGDCQFTSIQKTPNEPQ LEFILACKDLVAPVRDRKLNTLVQISVIHPVEQSLTRYS STEIVEGTRDPLFLTGVTFPSEYPIYEETKIKLTVYDVK DKSHDTVRTSVLPEHKDPPPEVGRSFLGYASFKVGELLK SKEQLLVLSLRTSDGGKVVGTIEVSVVKMGEIEDGEADH ITTDVQGQKCALVCECTAPESVSGKDNLPFLNSVLKNPV CKLYRFPTSDNKWMRIREQMSESILSFHIPKELISLHIK EDLCRNQEIKELGELSPHWDNLRKNVLTHCDQMVNMYQD ILTELSKETGSSFKSSSSKGEKTLEFVPINLHLQRMQVH SPHLKDALYDVITVGAPAAHFQGFKNGGLRKLLHRFETE RRNTGYQFIYYSPENTAKAKEVLSNINQLQPLIATHADL LLNSASQHSPDSLKNSLKMLSEKTELFVHAFKDQLVRSA LLALYTARPGGILKKPPSPKSSTEESSPQDQPPVMRGQD SIPHHSDYDEEEWDRVWANVGKSLNCIIAMVDKLIERDG GSEGSGGNNDGEKEPSLTDAIPSHPREDWYEQLYPLILT LKDCMGEVVNRAKQSLTFVLLQELAYSLPQCLMLTLRRD IVFSQALAGLVCGFIIKLQTSLYDPGFLQQLHTVGLIVQ YEGLLSTYSDEIGMLEDMAVGISDLKKVAFKIIEAKSND VLPVITGRREHYVVEVKLPARMFESLPLQIKEGQLLHVY PVLFNVGINEQQTLAERFGDVSLQESINQENFELLQEYY KIFMEKMPPDYISHFQEQNDLKALLENLLQNIQSKKRKN VEIMWLAATICRKLNGIRFTCCKSAKDRTSMSVTLEQCS ILRDEHQLHKDFFIRALDCMRREGCRIENVLKNIKCRKY AFNMLQLMAFPKYYRPPEGTYGKADT

Database cross reference

RefSeq Protein accession:NP_001095139
RefSeq Protein gi:156104897

Liver relevance

HLPP validation

Yes/No

Yes

Project name

Chinese Liver;Human Liver Organelles;

Ontology annotation

GO-F

GO:0016316;F:phosphatidylinositol-3,4-bisphosphate 4-phosphatase activity;TAS:ProtInc. GO:0034597;F:phosphatidylinositol-4,5-bisphosphate 4-phosphatase activity;IEA:EC.

GO-P

GO:0007165;P:signal transduction;TAS:ProtInc.

Post-translational modification

LiverAtlas Protein ID

MOD type1

Position1

Residue1

Source name1

source ID1

Source method

HLPP validation1 (Yes/no)

Quality score

HuLPr25304

ACETYLATION

448

K

PhosphoSitePlus

14319968

LTP

N

HuLPr25304

PHOSPHORYLATION

898

Y

PhosphoSitePlus

1014970

LTP

N

Pathway

Pathway name

Inositol_Phosphate_Metabolism

Pathway name

Phosphatidylinositol_Phosphate_Metabolism

Pathway name

TGF_beta_Receptor