SAC1_XENLA
ID SAC1_XENLA Reviewed; 586 AA.
AC Q6GM29;
DT 05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT 19-JUL-2004, sequence version 1.
DT 03-AUG-2022, entry version 58.
DE RecName: Full=Phosphatidylinositol-3-phosphatase SAC1;
DE EC=3.1.3.64 {ECO:0000250|UniProtKB:Q9ES21};
DE AltName: Full=Phosphatidylinositol-4-phosphate phosphatase {ECO:0000250|UniProtKB:Q9ES21};
DE AltName: Full=Suppressor of actin mutations 1-like protein;
GN Name=sacm1l;
OS Xenopus laevis (African clawed frog).
OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Amphibia;
OC Batrachia; Anura; Pipoidea; Pipidae; Xenopodinae; Xenopus; Xenopus.
OX NCBI_TaxID=8355;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA].
RC TISSUE=Eye, and Oocyte;
RG NIH - Xenopus Gene Collection (XGC) project;
RL Submitted (JUN-2004) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Phosphoinositide phosphatase which catalyzes the hydrolysis
CC of phosphatidylinositol 4-phosphate (PtdIns(4)P), phosphatidylinositol
CC 3-phosphate (PtdIns(3)P) and has low activity towards
CC phosphatidylinositol-3,5-bisphosphate (PtdIns(3,5)P2).
CC {ECO:0000250|UniProtKB:Q9ES21}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=a 1,2-diacyl-sn-glycero-3-phospho-(1D-myo-inositol-3-
CC phosphate) + H2O = a 1,2-diacyl-sn-glycero-3-phospho-(1D-myo-
CC inositol) + phosphate; Xref=Rhea:RHEA:12316, ChEBI:CHEBI:15377,
CC ChEBI:CHEBI:43474, ChEBI:CHEBI:57880, ChEBI:CHEBI:58088; EC=3.1.3.64;
CC Evidence={ECO:0000250|UniProtKB:Q9ES21};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:12317;
CC Evidence={ECO:0000250|UniProtKB:Q9ES21};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=a 1,2-diacyl-sn-glycero-3-phospho-(1D-myo-inositol 4-
CC phosphate) + H2O = a 1,2-diacyl-sn-glycero-3-phospho-(1D-myo-
CC inositol) + phosphate; Xref=Rhea:RHEA:55652, ChEBI:CHEBI:15377,
CC ChEBI:CHEBI:43474, ChEBI:CHEBI:57880, ChEBI:CHEBI:58178;
CC Evidence={ECO:0000250|UniProtKB:Q9ES21};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:55653;
CC Evidence={ECO:0000250|UniProtKB:Q9ES21};
CC -!- SUBCELLULAR LOCATION: Endoplasmic reticulum membrane
CC {ECO:0000250|UniProtKB:Q9ES21}; Multi-pass membrane protein
CC {ECO:0000255}. Golgi apparatus membrane {ECO:0000250|UniProtKB:Q9NTJ5};
CC Multi-pass membrane protein {ECO:0000255}.
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DR EMBL; BC074260; AAH74260.1; -; mRNA.
DR EMBL; BC077608; AAH77608.1; -; mRNA.
DR RefSeq; NP_001086149.1; NM_001092680.1.
DR AlphaFoldDB; Q6GM29; -.
DR SMR; Q6GM29; -.
DR BioGRID; 102741; 1.
DR MaxQB; Q6GM29; -.
DR GeneID; 444578; -.
DR KEGG; xla:444578; -.
DR CTD; 444578; -.
DR Xenbase; XB-GENE-920718; sacm1l.L.
DR OMA; FRDINVH; -.
DR OrthoDB; 359616at2759; -.
DR Proteomes; UP000186698; Chromosome 6L.
DR Bgee; 444578; Expressed in zone of skin and 19 other tissues.
DR GO; GO:0005789; C:endoplasmic reticulum membrane; ISS:UniProtKB.
DR GO; GO:0140268; C:endoplasmic reticulum-plasma membrane contact site; ISS:UniProtKB.
DR GO; GO:0005794; C:Golgi apparatus; ISS:UniProtKB.
DR GO; GO:0000139; C:Golgi membrane; ISS:UniProtKB.
DR GO; GO:0016021; C:integral component of membrane; IEA:UniProtKB-KW.
DR GO; GO:0016791; F:phosphatase activity; ISS:UniProtKB.
DR GO; GO:0004438; F:phosphatidylinositol-3-phosphatase activity; IEA:UniProtKB-EC.
DR GO; GO:0043812; F:phosphatidylinositol-4-phosphate phosphatase activity; ISS:UniProtKB.
DR GO; GO:0046856; P:phosphatidylinositol dephosphorylation; ISS:UniProtKB.
DR InterPro; IPR002013; SAC_dom.
DR Pfam; PF02383; Syja_N; 1.
DR PROSITE; PS50275; SAC; 1.
PE 2: Evidence at transcript level;
KW Endoplasmic reticulum; Golgi apparatus; Hydrolase; Lipid metabolism;
KW Membrane; Reference proteome; Transmembrane; Transmembrane helix.
FT CHAIN 1..586
FT /note="Phosphatidylinositol-3-phosphatase SAC1"
FT /id="PRO_0000317177"
FT TOPO_DOM 1..519
FT /note="Cytoplasmic"
FT /evidence="ECO:0000250|UniProtKB:Q9ES21"
FT TRANSMEM 520..540
FT /note="Helical"
FT /evidence="ECO:0000255"
FT TOPO_DOM 541..547
FT /note="Lumenal"
FT /evidence="ECO:0000250|UniProtKB:Q9ES21"
FT TRANSMEM 548..568
FT /note="Helical"
FT /evidence="ECO:0000255"
FT TOPO_DOM 569..586
FT /note="Cytoplasmic"
FT /evidence="ECO:0000250|UniProtKB:Q9ES21"
FT DOMAIN 121..450
FT /note="SAC"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00183"
FT REGION 451..586
FT /note="Essential for phosphatidylinositol-4-phosphate
FT phosphatase activity"
FT /evidence="ECO:0000250|UniProtKB:Q9NTJ5"
SQ SEQUENCE 586 AA; 66957 MW; 32214EF6AB5655EE CRC64;
MALAYENLKL HITPEKFYVE ACDPGVEDVL TIDRVSTEVT LSGKKDIPPS AITRAIYGIL
GTIRLVAGMY LIVITRRKKV GDLLNHSIWK ATDFDIISYK KTMLHLTDSQ LQDNKAFLGM
LSHVLSVDGF YFSVSYDLTH TLQRLANTSP EFQEMSLLER ADQRFVWNGN LLREFSAQPE
IQKFAIPVVH GFIAIHSCSI NGKYFDWILI SRRSCFRAGV RYYVRGIDSE GHAANFVETE
QIVHYNGNKA SFVQTRGSIP FYWSQRPNLK YKPKPQISKA VNHMDGFQRH FDSQVISYGK
QVVLNLVNQK GSEKPLEQEF SQMVSGLGNG MVRYIAFDFH KECSRMRWDR LQILVEQVAE
TQDEFGYFLV DTEGKVVSQQ DGIFRSNCMD CLDRTNVVQS LLARRSLQYQ LQRLGVLHVG
QRIEEQIQFE KIYKNAWADN ANACAKQYAG TGALKTDFTR TGKRTQWGLL MDGWNSLIRY
YKNNFSDGFR QDSIDLFLGN YSVEEAYSTS PLHIQTDWKF LALPIIMVVA FSMCIICLLM
AGDTWTETLA YVLFWGTASI GTGAIIMYNG KDFVDAPKLV QKEKMD