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Database: UniProt
Entry: HXA3_HETFR
LinkDB: HXA3_HETFR
Original site: HXA3_HETFR 
ID   HXA3_HETFR              Reviewed;         410 AA.
AC   Q9IA21;
DT   11-JUL-2001, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2000, sequence version 1.
DT   22-FEB-2023, entry version 94.
DE   RecName: Full=Homeobox protein Hox-A3;
GN   Name=HOXA3;
OS   Heterodontus francisci (Horn shark) (Cestracion francisci).
OC   Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Chondrichthyes;
OC   Elasmobranchii; Galeomorphii; Heterodontoidea; Heterodontiformes;
OC   Heterodontidae; Heterodontus.
OX   NCBI_TaxID=7792;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=10677514; DOI=10.1073/pnas.030539697;
RA   Kim C.B., Amemiya C., Bailey W., Kawasaki K., Mezey J., Miller W.,
RA   Minoshima S., Shimizu N., Wagner G., Ruddle F.;
RT   "Hox cluster genomics in the horn shark, Heterodontus francisci.";
RL   Proc. Natl. Acad. Sci. U.S.A. 97:1655-1660(2000).
CC   -!- FUNCTION: Sequence-specific transcription factor which is part of a
CC       developmental regulatory system that provides cells with specific
CC       positional identities on the anterior-posterior axis. {ECO:0000250}.
CC   -!- SUBCELLULAR LOCATION: Nucleus {ECO:0000255|PROSITE-ProRule:PRU00108}.
CC   -!- SIMILARITY: Belongs to the Antp homeobox family. {ECO:0000305}.
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DR   EMBL; AF224262; AAF44641.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q9IA21; -.
DR   SMR; Q9IA21; -.
DR   GO; GO:0005634; C:nucleus; IEA:UniProtKB-SubCell.
DR   GO; GO:0003677; F:DNA binding; IEA:UniProtKB-KW.
DR   GO; GO:0000981; F:DNA-binding transcription factor activity, RNA polymerase II-specific; IEA:InterPro.
DR   CDD; cd00086; homeodomain; 1.
DR   Gene3D; 1.10.10.60; Homeodomain-like; 1.
DR   InterPro; IPR025281; DUF4074.
DR   InterPro; IPR009057; Homeobox-like_sf.
DR   InterPro; IPR001827; Homeobox_Antennapedia_CS.
DR   InterPro; IPR017970; Homeobox_CS.
DR   InterPro; IPR001356; Homeobox_dom.
DR   InterPro; IPR020479; Homeobox_metazoa.
DR   PANTHER; PTHR45664:SF13; HOMEOBOX PROTEIN HOX-A3; 1.
DR   PANTHER; PTHR45664; PROTEIN ZERKNUELLT 1-RELATED; 1.
DR   Pfam; PF13293; DUF4074; 1.
DR   Pfam; PF00046; Homeodomain; 1.
DR   PRINTS; PR00024; HOMEOBOX.
DR   SMART; SM00389; HOX; 1.
DR   SUPFAM; SSF46689; Homeodomain-like; 1.
DR   PROSITE; PS00032; ANTENNAPEDIA; 1.
DR   PROSITE; PS00027; HOMEOBOX_1; 1.
DR   PROSITE; PS50071; HOMEOBOX_2; 1.
PE   3: Inferred from homology;
KW   Developmental protein; DNA-binding; Homeobox; Nucleus; Transcription;
KW   Transcription regulation.
FT   CHAIN           1..410
FT                   /note="Homeobox protein Hox-A3"
FT                   /id="PRO_0000200047"
FT   DNA_BIND        168..227
FT                   /note="Homeobox"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00108"
FT   REGION          29..126
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   REGION          139..173
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   REGION          368..410
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   MOTIF           133..138
FT                   /note="Antp-type hexapeptide"
FT   COMPBIAS        66..86
FT                   /note="Polar residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        87..105
FT                   /note="Pro residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        106..126
FT                   /note="Polar residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        139..159
FT                   /note="Polar residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ   SEQUENCE   410 AA;  44548 MW;  285ABC06B41C9FD9 CRC64;
     MQKATYYDSS AIFGGYTYQG ANGFNYNASQ QQYPPSSHVE SDYHRPACSL QSPGTVPHHK
     PNDINESCMR TSASQPSHHP VIAEQQQQKQ PPPPPPPPPP SVSPPQNTSS NSTQSSTSKN
     PTLTSQATIS KQIFPWMKES RQNAKQKTSS SSSVESSAGE KSPPGPASKR ARTAYTSAQL
     VELEKEFHFN RYLCRPRRVE MANLLNLTER QIKIWFQNRR MKYKKDQKAK GMLTSSGGQS
     PCRSPIPPSA AGGYANSMHS LATSAPYDPH SPTSFSKPHQ NAYAIPTSYP GPLNSCPPPQ
     KRYAGTAAVT PEYDTHPLQG NGGYGTPHLQ GSPVYVGGNF VESMPSSGPS LFSLTHLGHP
     PSGNMDYNGA GPMTSNHHHG PCDPHPTYTD LSSHHPSQGR IQEAPKLTHL
//
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