!!AA_SEQUENCE 1.0
ID   C561_BOVIN     STANDARD;      PRT;   273 AA.
AC   P10897;
DT   01-JUL-1989 (REL. 11, CREATED)
DT   01-JUL-1989 (REL. 11, LAST SEQUENCE UPDATE)
DT   01-FEB-1996 (REL. 33, LAST ANNOTATION UPDATE)
DE   CYTOCHROME B561.
GN   CYB560.
OS   BOS TAURUS (BOVINE).
OC   EUKARYOTA; METAZOA; CHORDATA; VERTEBRATA; TETRAPODA; MAMMALIA;
OC   EUTHERIA; ARTIODACTYLA.
RN   [1]
RP   SEQUENCE FROM N.A., AND PARTIAL SEQUENCE.
RX   MEDLINE; 89030633.
RA   PERIN M.S., FRIED V.A., SLAUGHTER C.A., SUEDHOF T.C.;
RL   EMBO J. 7:2697-2703(1988).
CC   -!- FUNCTION: SECRETORY VESICLE-SPECIFIC ELECTRON TRANSPORT PROTEIN.
CC   -!- SUBCELLULAR LOCATION: MEMBRANE OF SECRETORY VESICLES CONTAINING
CC       CATECHOLAMINES AND AMIDATED PEPTIDES.
CC   -!- SUBCELLULAR LOCATION: INTEGRAL MEMBRANE PROTEIN.
CC   -!- SIMILARITY: WITH C.ELEGANS PUTATIVE B561.
CC   -!- THE HEME GROUP IS NOT COVALENTLY BOUND; CYTOCHROME B561 PROVIDES
CC       THE 5TH AND 6TH COORDINATION SITES FOR THE HEME IRON, WHILE THE
CC       FIRST 4 LIGANDS ARE DERIVED FROM THE HEME.
DR   EMBL; X12783; G292; -.
DR   PIR; S01167; S01167.
KW   ELECTRON TRANSPORT; TRANSMEMBRANE; HEME.
FT   DOMAIN        1     37       CYTOPLASMIC (POTENTIAL).
FT   TRANSMEM     38     60       POTENTIAL.
FT   TRANSMEM     75     97       POTENTIAL.
FT   TRANSMEM    107    129       POTENTIAL.
FT   TRANSMEM    145    167       POTENTIAL.
FT   TRANSMEM    185    207       POTENTIAL.
FT   TRANSMEM    219    241       POTENTIAL.
FT   DOMAIN      242    273       CYTOPLASMIC (POTENTIAL).
FT   METAL        52     52       IRON (HEME).
FT   METAL       113    113       IRON (HEME).
SQ   SEQUENCE   273 AA;  30056 MW;  96B1845B CRC32;

   P10897  Length: 273  March 24, 1997 12:19  Type: P  Check: 904  ..

       1  MWRTLTCTLT AGGSAASSRL SMEGPASPAR APGALPYYVA FSQLLGLIVV 

      51  AMTGAWLGMY RGGIAWESAL QFNVHPLCMI IGLVFLQGDA LLVYRVFRNE 

     101  AKRTTKVLHG LLHVFAFVIA LVGLVAVFEH HRKKGYADLY SLHSWCGILV 

     151  FALFFAQWLV GFSFFLFPGA SFSLRSRYRP QHVFFGAAIF LLSVATALLG 

     201  LKEALLFELG TKYSMFEPEG VLANVLGLLL ATFATVILYI LTRADWKRPL 

     251  QAEEQALSMD FKTLTEGDSP SSQ