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MYOC_FELCA
ID   MYOC_FELCA              Reviewed;         490 AA.
AC   Q594P2;
DT   13-SEP-2005, integrated into UniProtKB/Swiss-Prot.
DT   26-APR-2005, sequence version 1.
DT   03-AUG-2022, entry version 81.
DE   RecName: Full=Myocilin;
DE   Contains:
DE     RecName: Full=Myocilin, N-terminal fragment;
DE     AltName: Full=Myocilin 20 kDa N-terminal fragment;
DE   Contains:
DE     RecName: Full=Myocilin, C-terminal fragment;
DE     AltName: Full=Myocilin 35 kDa N-terminal fragment;
DE   Flags: Precursor;
GN   Name=MYOC;
OS   Felis catus (Cat) (Felis silvestris catus).
OC   Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia;
OC   Eutheria; Laurasiatheria; Carnivora; Feliformia; Felidae; Felinae; Felis.
OX   NCBI_TaxID=9685;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [MRNA].
RA   Fautsch M.P., Vrabel A.M., Johnson D.H.;
RT   "Characterization of the domestic cat myocilin cDNA.";
RL   Submitted (MAR-2004) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Secreted glycoprotein regulating the activation of different
CC       signaling pathways in adjacent cells to control different processes
CC       including cell adhesion, cell-matrix adhesion, cytoskeleton
CC       organization and cell migration. Promotes substrate adhesion, spreading
CC       and formation of focal contacts. Negatively regulates cell-matrix
CC       adhesion and stress fiber assembly through Rho protein signal
CC       transduction. Modulates the organization of actin cytoskeleton by
CC       stimulating the formation of stress fibers through interactions with
CC       components of Wnt signaling pathways. Promotes cell migration through
CC       activation of PTK2 and the downstream phosphatidylinositol 3-kinase
CC       signaling. Plays a role in bone formation and promotes osteoblast
CC       differentiation in a dose-dependent manner through mitogen-activated
CC       protein kinase signaling. Mediates myelination in the peripheral
CC       nervous system through ERBB2/ERBB3 signaling. Plays a role as a
CC       regulator of muscle hypertrophy through the components of dystrophin-
CC       associated protein complex. Involved in positive regulation of
CC       mitochondrial depolarization. Plays a role in neurite outgrowth. May
CC       participate in the obstruction of fluid outflow in the trabecular
CC       meshwork. {ECO:0000250|UniProtKB:O70624, ECO:0000250|UniProtKB:Q99972}.
CC   -!- SUBUNIT: Homodimer (via N-terminus). Can also form higher oligomers.
CC       Interacts with OLFM3, FN1, NRCAM, GLDN and NFASC. Interacts (via N-
CC       terminus) with MYL2. Interacts with SFRP1, FRZB, FZD7, FZD10, FZD1 and
CC       WIF1; regulates Wnt signaling (By similarity). Interacts with SNTA1;
CC       regulates muscle hypertrophy. Interacts with ERBB2 and ERBB3; activates
CC       ERBB2-ERBB3 signaling pathway. Interacts with SNCG; affects its
CC       secretion and its aggregation (By similarity).
CC       {ECO:0000250|UniProtKB:O70624, ECO:0000250|UniProtKB:Q99972}.
CC   -!- SUBCELLULAR LOCATION: Secreted {ECO:0000250|UniProtKB:Q99972}. Golgi
CC       apparatus {ECO:0000250|UniProtKB:Q99972}. Cytoplasmic vesicle
CC       {ECO:0000250|UniProtKB:Q99972}. Secreted, extracellular space
CC       {ECO:0000250|UniProtKB:Q99972}. Secreted, extracellular space,
CC       extracellular matrix {ECO:0000250|UniProtKB:Q99972}. Secreted,
CC       extracellular exosome {ECO:0000250|UniProtKB:Q99972}. Mitochondrion
CC       {ECO:0000250|UniProtKB:Q99972}. Mitochondrion intermembrane space
CC       {ECO:0000250|UniProtKB:Q99972}. Mitochondrion inner membrane
CC       {ECO:0000250|UniProtKB:Q99972}. Mitochondrion outer membrane
CC       {ECO:0000250|UniProtKB:Q99972}. Rough endoplasmic reticulum
CC       {ECO:0000250|UniProtKB:Q99972}. Cell projection
CC       {ECO:0000250|UniProtKB:Q99972}. Cell projection, cilium
CC       {ECO:0000250|UniProtKB:Q99972}. Note=Located preferentially in the
CC       ciliary rootlet and basal body of the connecting cilium of
CC       photoreceptor cells, and in the rough endoplasmic reticulum. It is only
CC       imported to mitochondria in the trabecular meshwork. Localizes to the
CC       Golgi apparatus in Schlemm's canal endothelial cells. Appears in the
CC       extracellular space of trabecular meshwork cells by an unconventional
CC       mechanism, likely associated with exosome-like vesicles. Localizes in
CC       trabecular meshwork extracellular matrix.
CC       {ECO:0000250|UniProtKB:Q99972}.
CC   -!- SUBCELLULAR LOCATION: [Myocilin, C-terminal fragment]: Secreted
CC       {ECO:0000250}.
CC   -!- SUBCELLULAR LOCATION: [Myocilin, N-terminal fragment]: Endoplasmic
CC       reticulum. Note=Remains retained in the endoplasmic reticulum.
CC       {ECO:0000250}.
CC   -!- TISSUE SPECIFICITY: Expressed in optic nerve head, ciliary body and
CC       retina.
CC   -!- PTM: Palmitoylated. {ECO:0000250|UniProtKB:Q2PT31}.
CC   -!- PTM: Undergoes a calcium-dependent proteolytic cleavage at Arg-212 by
CC       CAPN2 in the endoplasmic reticulum. The result is the production of two
CC       fragments, one of 35 kDa containing the C-terminal olfactomedin-like
CC       domain, and another of 20 kDa containing the N-terminal leucine zipper-
CC       like domain (By similarity). {ECO:0000250}.
CC   -!- PTM: Glycosylated. {ECO:0000250|UniProtKB:Q99972}.
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DR   EMBL; AY566569; AAS68633.1; -; mRNA.
DR   RefSeq; NP_001265779.1; NM_001278850.1.
DR   AlphaFoldDB; Q594P2; -.
DR   SMR; Q594P2; -.
DR   STRING; 9685.ENSFCAP00000012398; -.
DR   GeneID; 101087632; -.
DR   KEGG; fca:101087632; -.
DR   CTD; 4653; -.
DR   eggNOG; KOG3545; Eukaryota.
DR   InParanoid; Q594P2; -.
DR   OrthoDB; 421994at2759; -.
DR   TreeFam; TF315964; -.
DR   Proteomes; UP000011712; Unplaced.
DR   GO; GO:0005929; C:cilium; IEA:UniProtKB-SubCell.
DR   GO; GO:0062023; C:collagen-containing extracellular matrix; ISS:UniProtKB.
DR   GO; GO:0031410; C:cytoplasmic vesicle; ISS:UniProtKB.
DR   GO; GO:0005783; C:endoplasmic reticulum; ISS:UniProtKB.
DR   GO; GO:0070062; C:extracellular exosome; ISS:UniProtKB.
DR   GO; GO:0005794; C:Golgi apparatus; ISS:UniProtKB.
DR   GO; GO:0005743; C:mitochondrial inner membrane; ISS:UniProtKB.
DR   GO; GO:0005758; C:mitochondrial intermembrane space; ISS:UniProtKB.
DR   GO; GO:0005741; C:mitochondrial outer membrane; ISS:UniProtKB.
DR   GO; GO:0033268; C:node of Ranvier; ISS:UniProtKB.
DR   GO; GO:0005791; C:rough endoplasmic reticulum; IEA:UniProtKB-SubCell.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0060348; P:bone development; ISS:UniProtKB.
DR   GO; GO:0045162; P:clustering of voltage-gated sodium channels; ISS:UniProtKB.
DR   GO; GO:0038133; P:ERBB2-ERBB3 signaling pathway; ISS:UniProtKB.
DR   GO; GO:0022011; P:myelination in peripheral nervous system; ISS:UniProtKB.
DR   GO; GO:0001953; P:negative regulation of cell-matrix adhesion; ISS:UniProtKB.
DR   GO; GO:0035024; P:negative regulation of Rho protein signal transduction; ISS:UniProtKB.
DR   GO; GO:0051497; P:negative regulation of stress fiber assembly; ISS:UniProtKB.
DR   GO; GO:0031175; P:neuron projection development; ISS:UniProtKB.
DR   GO; GO:0038031; P:non-canonical Wnt signaling pathway via JNK cascade; ISS:UniProtKB.
DR   GO; GO:0001649; P:osteoblast differentiation; ISS:UniProtKB.
DR   GO; GO:0030335; P:positive regulation of cell migration; ISS:UniProtKB.
DR   GO; GO:0051894; P:positive regulation of focal adhesion assembly; ISS:UniProtKB.
DR   GO; GO:0051901; P:positive regulation of mitochondrial depolarization; ISS:UniProtKB.
DR   GO; GO:0014068; P:positive regulation of phosphatidylinositol 3-kinase signaling; ISS:UniProtKB.
DR   GO; GO:0051897; P:positive regulation of protein kinase B signaling; ISS:UniProtKB.
DR   GO; GO:0051496; P:positive regulation of stress fiber assembly; ISS:UniProtKB.
DR   GO; GO:1900026; P:positive regulation of substrate adhesion-dependent cell spreading; ISS:UniProtKB.
DR   GO; GO:0043408; P:regulation of MAPK cascade; ISS:UniProtKB.
DR   GO; GO:0014734; P:skeletal muscle hypertrophy; ISS:UniProtKB.
DR   InterPro; IPR031213; Myocilin.
DR   InterPro; IPR003112; Olfac-like_dom.
DR   PANTHER; PTHR23192:SF33; PTHR23192:SF33; 1.
DR   Pfam; PF02191; OLF; 1.
DR   SMART; SM00284; OLF; 1.
DR   PROSITE; PS51132; OLF; 1.
PE   2: Evidence at transcript level;
KW   Calcium; Cell projection; Cilium; Coiled coil; Cytoplasmic vesicle;
KW   Disulfide bond; Endoplasmic reticulum; Extracellular matrix; Glycoprotein;
KW   Golgi apparatus; Lipoprotein; Membrane; Metal-binding; Mitochondrion;
KW   Mitochondrion inner membrane; Mitochondrion outer membrane; Palmitate;
KW   Reference proteome; Secreted; Signal.
FT   SIGNAL          1..18
FT                   /evidence="ECO:0000255"
FT   CHAIN           19..490
FT                   /note="Myocilin"
FT                   /id="PRO_0000041830"
FT   CHAIN           19..212
FT                   /note="Myocilin, N-terminal fragment"
FT                   /evidence="ECO:0000250"
FT                   /id="PRO_0000428739"
FT   CHAIN           213..490
FT                   /note="Myocilin, C-terminal fragment"
FT                   /evidence="ECO:0000250"
FT                   /id="PRO_0000428740"
FT   DOMAIN          230..489
FT                   /note="Olfactomedin-like"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00446"
FT   REGION          146..188
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COILED          52..169
FT                   /evidence="ECO:0000255"
FT   MOTIF           488..490
FT                   /note="Microbody targeting signal"
FT                   /evidence="ECO:0000255"
FT   COMPBIAS        146..162
FT                   /note="Basic and acidic residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   BINDING         366
FT                   /ligand="Ca(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29108"
FT                   /evidence="ECO:0000250|UniProtKB:Q99972"
FT   BINDING         414
FT                   /ligand="Ca(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29108"
FT                   /evidence="ECO:0000250|UniProtKB:Q99972"
FT   BINDING         415
FT                   /ligand="Ca(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29108"
FT                   /evidence="ECO:0000250|UniProtKB:Q99972"
FT   BINDING         463
FT                   /ligand="Ca(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29108"
FT                   /evidence="ECO:0000250|UniProtKB:Q99972"
FT   BINDING         464
FT                   /ligand="Ca(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29108"
FT                   /evidence="ECO:0000250|UniProtKB:Q99972"
FT   SITE            212..213
FT                   /note="Cleavage; by CAPN2"
FT                   /evidence="ECO:0000250"
FT   CARBOHYD        43
FT                   /note="N-linked (GlcNAc...) asparagine"
FT                   /evidence="ECO:0000255"
FT   DISULFID        231..419
FT                   /evidence="ECO:0000250|UniProtKB:Q99972,
FT                   ECO:0000255|PROSITE-ProRule:PRU00446"
SQ   SEQUENCE   490 AA;  55306 MW;  B7FC900365FF83A5 CRC64;
     MPATQLLLLA CLVWGLGART AQLRKANDRS GRCQYTFSVA SPNESSCPEQ GQAMSAIQDL
     QRDSSAQRAD LESTKARLRS LESLVHQLTL DEAAGPSATQ EGLQRELGAL RREREQLESQ
     NRELEASYSN LLRDKSALEE EKRRLREENE DLARRLDSSS QEVARLRRGQ CPQARGTPQD
     VPSGSREVSK WNVETVNFQE LKSELTEVPA SRILKESPSG HPRSEEGDPG CGELVWVGEP
     LTLRRAETIT GKYGVWMRDP KPAYPYTQET TWRIDTVGTD IRQVFEYDLS SQFLQGYPSK
     VHVLPRPLES TGAVVYWGSL YFQGAESRTV IRYELNTETV KAEKEIPGAG YHGQFPYSWG
     GYTDIDLAVD ETGLWVIYST QEAKGAIVLS KLNPESLELE RTWETNIRKQ SVANAFIICG
     RLYTVSSYSA PDATINFAYD TGTGRSRALT VPFKNRYKYS SMVDYNPLEK KLFAWDNFNM
     VTYDLRLSEM
 
 
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