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SHLB1_BOVIN
ID   SHLB1_BOVIN             Reviewed;         365 AA.
AC   Q32LM0;
DT   01-MAY-2007, integrated into UniProtKB/Swiss-Prot.
DT   06-DEC-2005, sequence version 1.
DT   03-AUG-2022, entry version 103.
DE   RecName: Full=Endophilin-B1;
DE   AltName: Full=SH3 domain-containing GRB2-like protein B1;
GN   Name=SH3GLB1;
OS   Bos taurus (Bovine).
OC   Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia;
OC   Eutheria; Laurasiatheria; Artiodactyla; Ruminantia; Pecora; Bovidae;
OC   Bovinae; Bos.
OX   NCBI_TaxID=9913;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA].
RC   STRAIN=Crossbred X Angus; TISSUE=Liver;
RG   NIH - Mammalian Gene Collection (MGC) project;
RL   Submitted (NOV-2005) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: May be required for normal outer mitochondrial membrane
CC       dynamics. Required for coatomer-mediated retrograde transport in
CC       certain cells. May recruit other proteins to membranes with high
CC       curvature. May promote membrane fusion. Involved in activation of
CC       caspase-dependent apoptosis by promoting BAX/BAK1 activation. Involved
CC       in caspase-independent apoptosis during nutrition starvation and
CC       involved in the regulation of autophagy. Activates lipid kinase
CC       activity of PIK3C3 during autophagy probably by associating with the
CC       PI3K complex II (PI3KC3-C2). Associated with PI3KC3-C2 during autophagy
CC       may regulate the trafficking of ATG9A from the Golgi complex to the
CC       peripheral cytoplasm for the formation of autophagosomes by inducing
CC       Golgi membrane tubulation and fragmentation. Involved in regulation of
CC       degradative endocytic trafficking and cytokinesis, probably in the
CC       context of PI3KC3-C2 (By similarity). {ECO:0000250|UniProtKB:Q9JK48,
CC       ECO:0000250|UniProtKB:Q9Y371}.
CC   -!- SUBUNIT: Homodimer, and heterodimer with SH3GLB2. Binds BAX; induction
CC       of apoptosis augments BAX binding. Binds DNM1, HTT, AMPH, BIN1 and
CC       ARFGAP1. Interacts with UVRAG; UVRAG bridges the interaction to BECN1
CC       indicative for an association with the PI3K complex II (PI3KC3-C2) (By
CC       similarity). {ECO:0000250|UniProtKB:Q9JK48,
CC       ECO:0000250|UniProtKB:Q9Y371}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000250|UniProtKB:Q6AYE2,
CC       ECO:0000250|UniProtKB:Q9Y371}. Golgi apparatus membrane
CC       {ECO:0000250|UniProtKB:Q6AYE2, ECO:0000250|UniProtKB:Q9JK48,
CC       ECO:0000250|UniProtKB:Q9Y371}; Peripheral membrane protein
CC       {ECO:0000250|UniProtKB:Q6AYE2}. Mitochondrion outer membrane
CC       {ECO:0000250|UniProtKB:Q9Y371}; Peripheral membrane protein
CC       {ECO:0000250|UniProtKB:Q9Y371}. Cytoplasmic vesicle, autophagosome
CC       membrane {ECO:0000250|UniProtKB:Q9Y371}. Midbody
CC       {ECO:0000250|UniProtKB:Q9Y371}. Note=Association with the Golgi
CC       apparatus depends on the cell type. Following starvation colocalizes
CC       with ATG5 and LC3 autophagy-related protein(s)on autophagosomal
CC       membranes. {ECO:0000250|UniProtKB:Q9Y371}.
CC   -!- DOMAIN: An N-terminal amphipathic helix, the BAR domain and a second
CC       amphipathic helix inserted into helix 1 of the BAR domain (N-BAR
CC       domain) induce membrane curvature and bind curved membranes.
CC       {ECO:0000250}.
CC   -!- DOMAIN: The SH3 domain is required and sufficient for the interaction
CC       with UVRAG. {ECO:0000250|UniProtKB:Q9Y371}.
CC   -!- PTM: Phosphorylated at Thr-145 by CDK5; this phosphorylation is
CC       required for autophagy induction in starved neurons and facilitates
CC       homodimerization. {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the endophilin family. {ECO:0000305}.
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DR   EMBL; BC109515; AAI09516.1; -; mRNA.
DR   RefSeq; NP_001071461.1; NM_001077993.2.
DR   AlphaFoldDB; Q32LM0; -.
DR   SMR; Q32LM0; -.
DR   STRING; 9913.ENSBTAP00000041643; -.
DR   PaxDb; Q32LM0; -.
DR   PRIDE; Q32LM0; -.
DR   Ensembl; ENSBTAT00000044128; ENSBTAP00000041643; ENSBTAG00000031171.
DR   GeneID; 533918; -.
DR   KEGG; bta:533918; -.
DR   CTD; 51100; -.
DR   VEuPathDB; HostDB:ENSBTAG00000031171; -.
DR   VGNC; VGNC:34575; SH3GLB1.
DR   eggNOG; KOG3725; Eukaryota.
DR   GeneTree; ENSGT00940000155667; -.
DR   InParanoid; Q32LM0; -.
DR   OMA; ETTYYAQ; -.
DR   OrthoDB; 803053at2759; -.
DR   Proteomes; UP000009136; Chromosome 3.
DR   Bgee; ENSBTAG00000031171; Expressed in spermatid and 106 other tissues.
DR   ExpressionAtlas; Q32LM0; baseline and differential.
DR   GO; GO:0000421; C:autophagosome membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0031410; C:cytoplasmic vesicle; IEA:UniProtKB-KW.
DR   GO; GO:0000139; C:Golgi membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0016020; C:membrane; IBA:GO_Central.
DR   GO; GO:0030496; C:midbody; IEA:UniProtKB-SubCell.
DR   GO; GO:0005741; C:mitochondrial outer membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0008289; F:lipid binding; IEA:UniProtKB-KW.
DR   GO; GO:0006915; P:apoptotic process; IEA:UniProtKB-KW.
DR   GO; GO:0061024; P:membrane organization; IBA:GO_Central.
DR   CDD; cd07616; BAR_Endophilin_B1; 1.
DR   Gene3D; 1.20.1270.60; -; 1.
DR   InterPro; IPR027267; AH/BAR_dom_sf.
DR   InterPro; IPR004148; BAR_dom.
DR   InterPro; IPR036028; SH3-like_dom_sf.
DR   InterPro; IPR001452; SH3_domain.
DR   InterPro; IPR028503; SH3GLB1.
DR   InterPro; IPR035695; SH3GLB1_BAR.
DR   PANTHER; PTHR14167:SF52; PTHR14167:SF52; 1.
DR   Pfam; PF03114; BAR; 1.
DR   Pfam; PF14604; SH3_9; 1.
DR   SMART; SM00721; BAR; 1.
DR   SMART; SM00326; SH3; 1.
DR   SUPFAM; SSF103657; SSF103657; 1.
DR   SUPFAM; SSF50044; SSF50044; 1.
DR   PROSITE; PS51021; BAR; 1.
DR   PROSITE; PS50002; SH3; 1.
PE   2: Evidence at transcript level;
KW   Acetylation; Apoptosis; Coiled coil; Cytoplasm; Cytoplasmic vesicle;
KW   Golgi apparatus; Lipid-binding; Membrane; Mitochondrion;
KW   Mitochondrion outer membrane; Phosphoprotein; Reference proteome;
KW   SH3 domain.
FT   CHAIN           1..365
FT                   /note="Endophilin-B1"
FT                   /id="PRO_0000285842"
FT   DOMAIN          27..261
FT                   /note="BAR"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00361"
FT   DOMAIN          305..365
FT                   /note="SH3"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00192"
FT   REGION          1..37
FT                   /note="Required for membrane binding"
FT                   /evidence="ECO:0000250|UniProtKB:Q9Y371"
FT   REGION          1..30
FT                   /note="Membrane-binding amphipathic helix"
FT                   /evidence="ECO:0000250"
FT   COILED          155..195
FT                   /evidence="ECO:0000255"
FT   MOD_RES         1
FT                   /note="N-acetylmethionine"
FT                   /evidence="ECO:0000250|UniProtKB:Q9Y371"
FT   MOD_RES         145
FT                   /note="Phosphothreonine; by CDK5"
FT                   /evidence="ECO:0000250|UniProtKB:Q9Y371"
SQ   SEQUENCE   365 AA;  40777 MW;  0613B91EA16E5C16 CRC64;
     MNIMDFNVKK LAADAGTFLS RAVQFTEEKL GQAEKTELDA HLENLLSKAE CTKIWTEKIM
     KQTEVLLQPN PNARIEEFVY EKLDRKAPSR INNPELLGQY MIDAGTEFGP GTAYGNALIK
     CGETQKRIGT ADRELIQTSA LNFLTPLRNF IEGDYKTIAK ERKLLQNKRL DLDAAKTRLK
     KAKAAETRAS SEQELRITQS EFDRQAEITR LLLEGISSTH AHHLRCLNDF VEAQMTYYAQ
     CYQYMLDLQK QLGSFPSNYH SNNNQTAVAP VPSASSNVIG SSALTSTSSL VITSPSNLTD
     LKECGGSRRA RVLYDYDAAN STELSLLADE VITVFSVVGM DSDWLMGERG NQKGRVPITY
     LELLN
 
 
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