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MYO1B_HUMAN
ID   MYO1B_HUMAN             Reviewed;        1136 AA.
AC   O43795; O43794; Q7Z6L5;
DT   27-APR-2001, integrated into UniProtKB/Swiss-Prot.
DT   01-FEB-2005, sequence version 3.
DT   03-AUG-2022, entry version 194.
DE   RecName: Full=Unconventional myosin-Ib;
DE   AltName: Full=MYH-1c;
DE   AltName: Full=Myosin I alpha;
DE            Short=MMI-alpha;
DE            Short=MMIa;
GN   Name=MYO1B;
OS   Homo sapiens (Human).
OC   Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia;
OC   Eutheria; Euarchontoglires; Primates; Haplorrhini; Catarrhini; Hominidae;
OC   Homo.
OX   NCBI_TaxID=9606;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORM 1).
RC   TISSUE=Skin;
RX   PubMed=15489334; DOI=10.1101/gr.2596504;
RG   The MGC Project Team;
RT   "The status, quality, and expansion of the NIH full-length cDNA project:
RT   the Mammalian Gene Collection (MGC).";
RL   Genome Res. 14:2121-2127(2004).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [MRNA] OF 644-1136 (ISOFORM 2), AND VARIANT LYS-969.
RA   Zorn E., Hercend T.;
RT   "A mutated non conventional class I myosin peptide elicits a dominant CTL
RT   response in a regressive human primary melanoma lesion.";
RL   Submitted (DEC-1997) to the EMBL/GenBank/DDBJ databases.
RN   [3]
RP   IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS].
RX   PubMed=21269460; DOI=10.1186/1752-0509-5-17;
RA   Burkard T.R., Planyavsky M., Kaupe I., Breitwieser F.P., Buerckstuemmer T.,
RA   Bennett K.L., Superti-Furga G., Colinge J.;
RT   "Initial characterization of the human central proteome.";
RL   BMC Syst. Biol. 5:17-17(2011).
RN   [4]
RP   PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-60, AND IDENTIFICATION BY
RP   MASS SPECTROMETRY [LARGE SCALE ANALYSIS].
RC   TISSUE=Liver;
RX   PubMed=24275569; DOI=10.1016/j.jprot.2013.11.014;
RA   Bian Y., Song C., Cheng K., Dong M., Wang F., Huang J., Sun D., Wang L.,
RA   Ye M., Zou H.;
RT   "An enzyme assisted RP-RPLC approach for in-depth analysis of human liver
RT   phosphoproteome.";
RL   J. Proteomics 96:253-262(2014).
RN   [5]
RP   SUMOYLATION [LARGE SCALE ANALYSIS] AT LYS-287, AND IDENTIFICATION BY MASS
RP   SPECTROMETRY [LARGE SCALE ANALYSIS].
RX   PubMed=25218447; DOI=10.1038/nsmb.2890;
RA   Hendriks I.A., D'Souza R.C., Yang B., Verlaan-de Vries M., Mann M.,
RA   Vertegaal A.C.;
RT   "Uncovering global SUMOylation signaling networks in a site-specific
RT   manner.";
RL   Nat. Struct. Mol. Biol. 21:927-936(2014).
RN   [6]
RP   SUMOYLATION [LARGE SCALE ANALYSIS] AT LYS-287, AND IDENTIFICATION BY MASS
RP   SPECTROMETRY [LARGE SCALE ANALYSIS].
RX   PubMed=25114211; DOI=10.1073/pnas.1413825111;
RA   Impens F., Radoshevich L., Cossart P., Ribet D.;
RT   "Mapping of SUMO sites and analysis of SUMOylation changes induced by
RT   external stimuli.";
RL   Proc. Natl. Acad. Sci. U.S.A. 111:12432-12437(2014).
RN   [7]
RP   SUMOYLATION [LARGE SCALE ANALYSIS] AT LYS-287, AND IDENTIFICATION BY MASS
RP   SPECTROMETRY [LARGE SCALE ANALYSIS].
RX   PubMed=25755297; DOI=10.1074/mcp.o114.044792;
RA   Xiao Z., Chang J.G., Hendriks I.A., Sigurdsson J.O., Olsen J.V.,
RA   Vertegaal A.C.;
RT   "System-wide analysis of SUMOylation dynamics in response to replication
RT   stress reveals novel small ubiquitin-like modified target proteins and
RT   acceptor lysines relevant for genome stability.";
RL   Mol. Cell. Proteomics 14:1419-1434(2015).
RN   [8]
RP   SUMOYLATION [LARGE SCALE ANALYSIS] AT LYS-287, AND IDENTIFICATION BY MASS
RP   SPECTROMETRY [LARGE SCALE ANALYSIS].
RX   PubMed=28112733; DOI=10.1038/nsmb.3366;
RA   Hendriks I.A., Lyon D., Young C., Jensen L.J., Vertegaal A.C.,
RA   Nielsen M.L.;
RT   "Site-specific mapping of the human SUMO proteome reveals co-modification
RT   with phosphorylation.";
RL   Nat. Struct. Mol. Biol. 24:325-336(2017).
RN   [9]
RP   VARIANTS [LARGE SCALE ANALYSIS] GLY-385 AND ILE-385.
RX   PubMed=16959974; DOI=10.1126/science.1133427;
RA   Sjoeblom T., Jones S., Wood L.D., Parsons D.W., Lin J., Barber T.D.,
RA   Mandelker D., Leary R.J., Ptak J., Silliman N., Szabo S., Buckhaults P.,
RA   Farrell C., Meeh P., Markowitz S.D., Willis J., Dawson D., Willson J.K.V.,
RA   Gazdar A.F., Hartigan J., Wu L., Liu C., Parmigiani G., Park B.H.,
RA   Bachman K.E., Papadopoulos N., Vogelstein B., Kinzler K.W.,
RA   Velculescu V.E.;
RT   "The consensus coding sequences of human breast and colorectal cancers.";
RL   Science 314:268-274(2006).
CC   -!- FUNCTION: Motor protein that may participate in process critical to
CC       neuronal development and function such as cell migration, neurite
CC       outgrowth and vesicular transport. {ECO:0000250}.
CC   -!- INTERACTION:
CC       O43795; Q7Z3K3: POGZ; NbExp=3; IntAct=EBI-351119, EBI-1389308;
CC       O43795; P51687: SUOX; NbExp=3; IntAct=EBI-351119, EBI-3921347;
CC   -!- ALTERNATIVE PRODUCTS:
CC       Event=Alternative splicing; Named isoforms=2;
CC       Name=1;
CC         IsoId=O43795-1; Sequence=Displayed;
CC       Name=2;
CC         IsoId=O43795-2; Sequence=VSP_012759;
CC   -!- SIMILARITY: Belongs to the TRAFAC class myosin-kinesin ATPase
CC       superfamily. Myosin family. {ECO:0000305}.
CC   -!- CAUTION: Represents an unconventional myosin. This protein should not
CC       be confused with the conventional myosin-1 (MYH1). {ECO:0000305}.
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DR   EMBL; BC053558; AAH53558.1; -; mRNA.
DR   EMBL; AJ001381; CAA04712.1; -; mRNA.
DR   EMBL; AJ001382; CAA04713.1; -; mRNA.
DR   CCDS; CCDS2311.1; -. [O43795-2]
DR   CCDS; CCDS46477.1; -. [O43795-1]
DR   RefSeq; NP_001123630.1; NM_001130158.2. [O43795-1]
DR   RefSeq; NP_001155291.1; NM_001161819.2. [O43795-1]
DR   RefSeq; NP_036355.2; NM_012223.4. [O43795-2]
DR   RefSeq; XP_005246629.1; XM_005246572.1. [O43795-1]
DR   AlphaFoldDB; O43795; -.
DR   SMR; O43795; -.
DR   BioGRID; 110567; 224.
DR   IntAct; O43795; 101.
DR   MINT; O43795; -.
DR   STRING; 9606.ENSP00000376132; -.
DR   GlyGen; O43795; 1 site, 1 O-linked glycan (1 site).
DR   iPTMnet; O43795; -.
DR   MetOSite; O43795; -.
DR   PhosphoSitePlus; O43795; -.
DR   SwissPalm; O43795; -.
DR   BioMuta; MYO1B; -.
DR   EPD; O43795; -.
DR   jPOST; O43795; -.
DR   MassIVE; O43795; -.
DR   MaxQB; O43795; -.
DR   PaxDb; O43795; -.
DR   PeptideAtlas; O43795; -.
DR   PRIDE; O43795; -.
DR   ProteomicsDB; 49172; -. [O43795-1]
DR   ProteomicsDB; 49173; -. [O43795-2]
DR   Antibodypedia; 2858; 127 antibodies from 32 providers.
DR   DNASU; 4430; -.
DR   Ensembl; ENST00000304164.8; ENSP00000306382.4; ENSG00000128641.19. [O43795-1]
DR   Ensembl; ENST00000339514.8; ENSP00000341903.4; ENSG00000128641.19. [O43795-2]
DR   Ensembl; ENST00000392318.8; ENSP00000376132.3; ENSG00000128641.19. [O43795-1]
DR   GeneID; 4430; -.
DR   KEGG; hsa:4430; -.
DR   MANE-Select; ENST00000392318.8; ENSP00000376132.3; NM_001130158.3; NP_001123630.1.
DR   UCSC; uc002usq.3; human. [O43795-1]
DR   CTD; 4430; -.
DR   DisGeNET; 4430; -.
DR   GeneCards; MYO1B; -.
DR   HGNC; HGNC:7596; MYO1B.
DR   HPA; ENSG00000128641; Tissue enhanced (liver).
DR   MalaCards; MYO1B; -.
DR   MIM; 606537; gene.
DR   neXtProt; NX_O43795; -.
DR   OpenTargets; ENSG00000128641; -.
DR   PharmGKB; PA31398; -.
DR   VEuPathDB; HostDB:ENSG00000128641; -.
DR   eggNOG; KOG0164; Eukaryota.
DR   GeneTree; ENSGT00940000155752; -.
DR   HOGENOM; CLU_000192_7_7_1; -.
DR   InParanoid; O43795; -.
DR   OMA; PLYGNEY; -.
DR   PhylomeDB; O43795; -.
DR   TreeFam; TF312960; -.
DR   PathwayCommons; O43795; -.
DR   SignaLink; O43795; -.
DR   BioGRID-ORCS; 4430; 12 hits in 1072 CRISPR screens.
DR   ChiTaRS; MYO1B; human.
DR   GeneWiki; MYO1B; -.
DR   GenomeRNAi; 4430; -.
DR   Pharos; O43795; Tbio.
DR   PRO; PR:O43795; -.
DR   Proteomes; UP000005640; Chromosome 2.
DR   RNAct; O43795; protein.
DR   Bgee; ENSG00000128641; Expressed in endometrium epithelium and 205 other tissues.
DR   ExpressionAtlas; O43795; baseline and differential.
DR   Genevisible; O43795; HS.
DR   GO; GO:0015629; C:actin cytoskeleton; IBA:GO_Central.
DR   GO; GO:0005884; C:actin filament; IDA:UniProtKB.
DR   GO; GO:0045177; C:apical part of cell; IEA:Ensembl.
DR   GO; GO:0005903; C:brush border; ISS:UniProtKB.
DR   GO; GO:0071944; C:cell periphery; ISS:UniProtKB.
DR   GO; GO:0005737; C:cytoplasm; ISS:UniProtKB.
DR   GO; GO:0005769; C:early endosome; IDA:UniProtKB.
DR   GO; GO:0010008; C:endosome membrane; IDA:UniProtKB.
DR   GO; GO:0070062; C:extracellular exosome; HDA:UniProtKB.
DR   GO; GO:0030175; C:filopodium; ISS:UniProtKB.
DR   GO; GO:0005902; C:microvillus; IBA:GO_Central.
DR   GO; GO:0016459; C:myosin complex; IEA:UniProtKB-KW.
DR   GO; GO:0048471; C:perinuclear region of cytoplasm; IDA:UniProtKB.
DR   GO; GO:0005886; C:plasma membrane; IDA:HPA.
DR   GO; GO:0051015; F:actin filament binding; IMP:UniProtKB.
DR   GO; GO:0005524; F:ATP binding; IMP:UniProtKB.
DR   GO; GO:0045296; F:cadherin binding; HDA:BHF-UCL.
DR   GO; GO:0005516; F:calmodulin binding; IEA:UniProtKB-KW.
DR   GO; GO:0000146; F:microfilament motor activity; IMP:UniProtKB.
DR   GO; GO:0005547; F:phosphatidylinositol-3,4,5-trisphosphate binding; ISS:UniProtKB.
DR   GO; GO:0005546; F:phosphatidylinositol-4,5-bisphosphate binding; ISS:UniProtKB.
DR   GO; GO:0051017; P:actin filament bundle assembly; ISS:UniProtKB.
DR   GO; GO:0007015; P:actin filament organization; IMP:UniProtKB.
DR   GO; GO:0030048; P:actin filament-based movement; ISS:UniProtKB.
DR   GO; GO:0006892; P:post-Golgi vesicle-mediated transport; IMP:UniProtKB.
DR   GO; GO:0030050; P:vesicle transport along actin filament; IBA:GO_Central.
DR   CDD; cd01378; MYSc_Myo1; 1.
DR   Gene3D; 3.40.850.10; -; 1.
DR   InterPro; IPR000048; IQ_motif_EF-hand-BS.
DR   InterPro; IPR036961; Kinesin_motor_dom_sf.
DR   InterPro; IPR001609; Myosin_head_motor_dom.
DR   InterPro; IPR010926; Myosin_TH1.
DR   InterPro; IPR036072; MYSc_Myo1.
DR   InterPro; IPR027417; P-loop_NTPase.
DR   Pfam; PF00612; IQ; 2.
DR   Pfam; PF00063; Myosin_head; 1.
DR   Pfam; PF06017; Myosin_TH1; 1.
DR   PRINTS; PR00193; MYOSINHEAVY.
DR   SMART; SM00015; IQ; 6.
DR   SMART; SM00242; MYSc; 1.
DR   SUPFAM; SSF52540; SSF52540; 2.
DR   PROSITE; PS50096; IQ; 5.
DR   PROSITE; PS51456; MYOSIN_MOTOR; 1.
DR   PROSITE; PS51757; TH1; 1.
PE   1: Evidence at protein level;
KW   Actin-binding; Alternative splicing; ATP-binding; Calmodulin-binding;
KW   Isopeptide bond; Motor protein; Myosin; Nucleotide-binding; Phosphoprotein;
KW   Reference proteome; Repeat; Ubl conjugation.
FT   CHAIN           1..1136
FT                   /note="Unconventional myosin-Ib"
FT                   /id="PRO_0000123442"
FT   DOMAIN          15..701
FT                   /note="Myosin motor"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00782"
FT   DOMAIN          704..733
FT                   /note="IQ 1"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00116"
FT   DOMAIN          728..748
FT                   /note="IQ 2"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00116"
FT   DOMAIN          750..779
FT                   /note="IQ 3"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00116"
FT   DOMAIN          779..808
FT                   /note="IQ 4"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00116"
FT   DOMAIN          808..837
FT                   /note="IQ 5"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00116"
FT   DOMAIN          837..866
FT                   /note="IQ 6"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00116"
FT   DOMAIN          952..1136
FT                   /note="TH1"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU01093"
FT   REGION          578..600
FT                   /note="Actin-binding"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00782"
FT   BINDING         108..115
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00782"
FT   MOD_RES         60
FT                   /note="Phosphoserine"
FT                   /evidence="ECO:0007744|PubMed:24275569"
FT   CROSSLNK        287
FT                   /note="Glycyl lysine isopeptide (Lys-Gly) (interchain with
FT                   G-Cter in SUMO1); alternate"
FT                   /evidence="ECO:0007744|PubMed:25114211"
FT   CROSSLNK        287
FT                   /note="Glycyl lysine isopeptide (Lys-Gly) (interchain with
FT                   G-Cter in SUMO2); alternate"
FT                   /evidence="ECO:0007744|PubMed:25114211,
FT                   ECO:0007744|PubMed:25218447, ECO:0007744|PubMed:25755297,
FT                   ECO:0007744|PubMed:28112733"
FT   VAR_SEQ         795..852
FT                   /note="Missing (in isoform 2)"
FT                   /evidence="ECO:0000303|Ref.2"
FT                   /id="VSP_012759"
FT   VARIANT         385
FT                   /note="V -> G (in a colorectal cancer sample; somatic
FT                   mutation)"
FT                   /evidence="ECO:0000269|PubMed:16959974"
FT                   /id="VAR_036007"
FT   VARIANT         385
FT                   /note="V -> I (in a colorectal cancer sample; somatic
FT                   mutation)"
FT                   /evidence="ECO:0000269|PubMed:16959974"
FT                   /id="VAR_036008"
FT   VARIANT         969
FT                   /note="E -> K (in a melanoma patient)"
FT                   /evidence="ECO:0000269|Ref.2"
FT                   /id="VAR_014113"
SQ   SEQUENCE   1136 AA;  131985 MW;  98B7F2357928218D CRC64;
     MAKMEVKTSL LDNMIGVGDM VLLEPLNEET FINNLKKRFD HSEIYTYIGS VVISVNPYRS
     LPIYSPEKVE EYRNRNFYEL SPHIFALSDE AYRSLRDQDK DQCILITGES GAGKTEASKL
     VMSYVAAVCG KGAEVNQVKE QLLQSNPVLE AFGNAKTVRN DNSSRFGKYM DIEFDFKGDP
     LGGVISNYLL EKSRVVKQPR GERNFHVFYQ LLSGASEELL NKLKLERDFS RYNYLSLDSA
     KVNGVDDAAN FRTVRNAMQI VGFMDHEAES VLAVVAAVLK LGNIEFKPES RVNGLDESKI
     KDKNELKEIC ELTGIDQSVL ERAFSFRTVE AKQEKVSTTL NVAQAYYARD ALAKNLYSRL
     FSWLVNRINE SIKAQTKVRK KVMGVLDIYG FEIFEDNSFE QFIINYCNEK LQQIFIELTL
     KEEQEEYIRE DIEWTHIDYF NNAIICDLIE NNTNGILAML DEECLRPGTV TDETFLEKLN
     QVCATHQHFE SRMSKCSRFL NDTSLPHSCF RIQHYAGKVL YQVEGFVDKN NDLLYRDLSQ
     AMWKASHALI KSLFPEGNPA KINLKRPPTA GSQFKASVAT LMKNLQTKNP NYIRCIKPND
     KKAAHIFNEA LVCHQIRYLG LLENVRVRRA GYAFRQAYEP CLERYKMLCK QTWPHWKGPA
     RSGVEVLFNE LEIPVEEYSF GRSKIFIRNP RTLFKLEDLR KQRLEDLATL IQKIYRGWKC
     RTHFLLMKKS QIVIAAWYRR YAQQKRYQQT KSSALVIQSY IRGWKARKIL RELKHQKRCK
     EAVTTIAAYW HGTQARRELR RLKEEARNKH AIAVIWAYWL GSKARRELKR LKEEARRKHA
     VAVIWAYWLG LKVRREYRKF FRANAGKKIY EFTLQRIVQK YFLEMKNKMP SLSPIDKNWP
     SRPYLFLDST HKELKRIFHL WRCKKYRDQF TDQQKLIYEE KLEASELFKD KKALYPSSVG
     QPFQGAYLEI NKNPKYKKLK DAIEEKIIIA EVVNKINRAN GKSTSRIFLL TNNNLLLADQ
     KSGQIKSEVP LVDVTKVSMS SQNDGFFAVH LKEGSEAASK GDFLFSSDHL IEMATKLYRT
     TLSQTKQKLN IEISDEFLVQ FRQDKVCVKF IQGNQKNGSV PTCKRKNNRL LEVAVP
 
 
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