BRKP1_PITHY
ID BRKP1_PITHY Reviewed; 62 AA.
AC P84900; Q0VZ35;
DT 05-SEP-2006, integrated into UniProtKB/Swiss-Prot.
DT 20-FEB-2007, sequence version 2.
DT 25-MAY-2022, entry version 36.
DE RecName: Full=Phyllokininogen-1;
DE Contains:
DE RecName: Full=Phyllokinin;
DE Flags: Precursor;
OS Pithecopus hypochondrialis (Orange-legged leaf frog) (Phyllomedusa
OS hypochondrialis).
OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Amphibia;
OC Batrachia; Anura; Neobatrachia; Hyloidea; Hylidae; Phyllomedusinae;
OC Pithecopus.
OX NCBI_TaxID=317381;
RN [1]
RP NUCLEOTIDE SEQUENCE [MRNA].
RC TISSUE=Skin;
RX PubMed=16713656; DOI=10.1016/j.peptides.2006.04.006;
RA Chen T., Zhou M., Gagliardo R., Walker B., Shaw C.;
RT "Elements of the granular gland peptidome and transcriptome persist in air-
RT dried skin of the South American orange-legged leaf frog, Phyllomedusa
RT hypocondrialis.";
RL Peptides 27:2129-2136(2006).
RN [2] {ECO:0000305}
RP PROTEIN SEQUENCE OF 52-62, MASS SPECTROMETRY, HYDROXYLATION AT PRO-54, AND
RP SULFATION AT TYR-62.
RC TISSUE=Skin secretion {ECO:0000269|PubMed:16797783};
RX PubMed=16797783; DOI=10.1016/j.peptides.2006.04.020;
RA Brand G.D., Krause F.C., Silva L.P., Leite J.R.S.A., Melo J.A.T.,
RA Prates M.V., Pesquero J.B., Santos E.L., Nakaie C.R., Costa-Neto C.M.,
RA Bloch C. Jr.;
RT "Bradykinin-related peptides from Phyllomedusa hypochondrialis.";
RL Peptides 27:2137-2146(2006).
RN [3]
RP HYDROXYLATION AT PRO-54, SULFATION AT TYR-62, AND IDENTIFICATION BY MASS
RP SPECTROMETRY.
RX PubMed=17120273; DOI=10.1002/rcm.2791;
RA Thompson A.H., Bjourson A.J., Shaw C., McClean S.;
RT "Bradykinin-related peptides from Phyllomedusa hypochondrialis azurea: Mass
RT spectrometric structural characterisation and cloning of precursor cDNAs.";
RL Rapid Commun. Mass Spectrom. 20:3780-3788(2006).
CC -!- FUNCTION: Produces in vitro relaxation of rat arterial smooth muscle
CC and constriction of intestinal smooth muscle (By similarity). May
CC target bradykinin receptors (BDKRB). {ECO:0000250}.
CC -!- SUBCELLULAR LOCATION: Secreted.
CC -!- TISSUE SPECIFICITY: Expressed by the skin glands.
CC {ECO:0000269|PubMed:16797783}.
CC -!- MASS SPECTROMETRY: [Phyllokinin]: Mass=1336.74; Mass_error=0.1;
CC Method=MALDI; Evidence={ECO:0000269|PubMed:16797783};
CC -!- MASS SPECTROMETRY: [Phyllokinin]: Mass=1352.74; Mass_error=0.1;
CC Method=MALDI; Note=Hydroxylated.;
CC Evidence={ECO:0000269|PubMed:16797783};
CC -!- MASS SPECTROMETRY: [Phyllokinin]: Mass=1416.70; Mass_error=0.1;
CC Method=MALDI; Note=Sulfated.; Evidence={ECO:0000269|PubMed:16797783};
CC -!- MASS SPECTROMETRY: [Phyllokinin]: Mass=1432.70; Mass_error=0.1;
CC Method=MALDI; Note=Hydroxylated and sulfated.;
CC Evidence={ECO:0000269|PubMed:16797783};
CC -!- SIMILARITY: Belongs to the frog skin active peptide (FSAP) family.
CC Bradykinin-related peptide subfamily. {ECO:0000305}.
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DR EMBL; AM229017; CAJ76141.1; -; mRNA.
DR AlphaFoldDB; P84900; -.
DR GO; GO:0005576; C:extracellular region; IEA:UniProtKB-SubCell.
DR GO; GO:0090729; F:toxin activity; IEA:UniProtKB-KW.
DR GO; GO:0006952; P:defense response; IEA:UniProtKB-KW.
DR GO; GO:0042311; P:vasodilation; IEA:UniProtKB-KW.
DR InterPro; IPR004275; Frog_antimicrobial_propeptide.
DR Pfam; PF03032; FSAP_sig_propep; 1.
PE 1: Evidence at protein level;
KW Amphibian defense peptide; Direct protein sequencing;
KW G-protein coupled receptor impairing toxin; Hydroxylation; Secreted;
KW Signal; Sulfation; Toxin; Vasoactive; Vasodilator.
FT SIGNAL 1..22
FT /evidence="ECO:0000255"
FT CHAIN 23..62
FT /note="Phyllokininogen-1"
FT /id="PRO_0000278793"
FT PEPTIDE 52..62
FT /note="Phyllokinin"
FT /id="PRO_0000248470"
FT REGION 25..62
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 26..42
FT /note="Acidic residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT MOD_RES 54
FT /note="4-hydroxyproline; partial"
FT /evidence="ECO:0000269|PubMed:16797783,
FT ECO:0000269|PubMed:17120273"
FT MOD_RES 62
FT /note="Sulfotyrosine; partial"
FT /evidence="ECO:0000269|PubMed:16797783,
FT ECO:0000269|PubMed:17120273"
SQ SEQUENCE 62 AA; 7326 MW; 794CBF6B39C20B7D CRC64;
MSILKKSLFL VLFLGLVSFS ICEEEKREAE EEENEDEIEE ESDEKKRESP DRPPGFSPFR
IY