ID   KRF4_COLLI              Reviewed;         101 AA.
AC   Q9PSV3;
DT   11-JUL-2001, integrated into UniProtKB/Swiss-Prot.
DT   23-JAN-2007, sequence version 3.
DT   25-MAY-2022, entry version 45.
DE   RecName: Full=Feather keratin Cos2-3;
DE            Short=F-ker;
OS   Columba livia (Rock dove).
OC   Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi;
OC   Archelosauria; Archosauria; Dinosauria; Saurischia; Theropoda;
OC   Coelurosauria; Aves; Neognathae; Columbiformes; Columbidae; Columba.
OX   NCBI_TaxID=8932;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=14509833; DOI=10.1080/1042517031000095390;
RA   Takahashi R., Akahane K., Arai K.;
RT   "Nucleotide sequences of pigeon feather keratin genes.";
RL   DNA Seq. 14:205-210(2003).
CC   -!- SUBUNIT: The avian keratins (F-ker, S-ker, C-ker and B-ker) are a
CC       complex mixture of very similar polypeptides.
CC   -!- SIMILARITY: Belongs to the avian keratin family. {ECO:0000305}.
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DR   EMBL; AB017906; BAA33472.1; -; Genomic_DNA.
DR   RefSeq; XP_005504212.1; XM_005504155.2.
DR   AlphaFoldDB; Q9PSV3; -.
DR   GeneID; 102097818; -.
DR   KEGG; clv:102097818; -.
DR   OrthoDB; 1588364at2759; -.
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.
FT   INIT_MET        1
FT                   /note="Removed"
FT                   /evidence="ECO:0000250"
FT   CHAIN           2..101
FT                   /note="Feather keratin Cos2-3"
FT                   /id="PRO_0000097005"
FT   MOD_RES         2
FT                   /note="N-acetylserine"
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   101 AA;  10419 MW;  B27BC85A7E1905B6 CRC64;
     MSCYNPCLPC QPCGPTPLAN SCNEPCVRQC QSSNVVIEPS SVVVILPGPI LSSFPQNTVV
     GSSTSAAVGS ILSCEGVPIN SGCFDLSCIT SRYCGSRCQP C