ID   KRFJ_COTJA              Reviewed;         109 AA.
AC   Q92012;
DT   11-JUL-2001, integrated into UniProtKB/Swiss-Prot.
DT   23-JAN-2007, sequence version 3.
DT   03-AUG-2022, entry version 53.
DE   RecName: Full=Beta-keratin-related protein;
GN   Name=BKJ;
OS   Coturnix japonica (Japanese quail) (Coturnix coturnix japonica).
OC   Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi;
OC   Archelosauria; Archosauria; Dinosauria; Saurischia; Theropoda;
OC   Coelurosauria; Aves; Neognathae; Galloanserae; Galliformes; Phasianidae;
OC   Perdicinae; Coturnix.
OX   NCBI_TaxID=93934;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA / MRNA].
RX   PubMed=8524838; DOI=10.1073/pnas.92.25.11731;
RA   Hartl M., Bister K.;
RT   "Specific activation in jun-transformed avian fibroblasts of a gene (bkj)
RT   related to the avian beta-keratin gene family.";
RL   Proc. Natl. Acad. Sci. U.S.A. 92:11731-11735(1995).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=9879996; DOI=10.1038/sj.onc.1202219;
RA   Hartl M., Bister K.;
RT   "Structure and transcriptional regulation of BKJ, a novel AP-1 target gene
RT   activated during jun- or fos-induced fibroblast transformation.";
RL   Oncogene 17:2901-2913(1998).
CC   -!- SIMILARITY: Belongs to the avian keratin family. {ECO:0000305}.
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DR   EMBL; U56840; AAC23543.1; -; Genomic_DNA.
DR   EMBL; U30824; AAC59731.1; -; mRNA.
DR   AlphaFoldDB; Q92012; -.
DR   Ensembl; ENSCJPT00005022522; ENSCJPP00005015965; ENSCJPG00005013165.
DR   Ensembl; ENSCJPT00005022523; ENSCJPP00005015966; ENSCJPG00005013166.
DR   GeneTree; ENSGT01030000234722; -.
DR   Proteomes; UP000694412; Chromosome 6.
DR   GO; GO:0005882; C:intermediate filament; IEA:UniProtKB-KW.
DR   GO; GO:0005200; F:structural constituent of cytoskeleton; IEA:InterPro.
DR   InterPro; IPR003461; Keratin.
DR   PANTHER; PTHR31203; PTHR31203; 1.
DR   Pfam; PF02422; Keratin; 1.
PE   3: Inferred from homology;
KW   Acetylation; Keratin; Reference proteome.
FT   INIT_MET        1
FT                   /note="Removed"
FT                   /evidence="ECO:0000250"
FT   CHAIN           2..109
FT                   /note="Beta-keratin-related protein"
FT                   /id="PRO_0000097010"
FT   MOD_RES         2
FT                   /note="N-acetylserine"
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   109 AA;  10528 MW;  B03C538D783C7972 CRC64;
     MSCYSPCQTV ACGPAPLANS CNEPCVLRCA DSSVAIQPPP VVVTLPGPIL SSFPQSTAVG
     STASAAVGSS LSAGSVPVGA RGSLGLGGFG WSGLGRGLCG TLGRGNVFC