ID   MSMB3_PROFL             Reviewed;          79 AA.
AC   A7VN15;
DT   28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT   23-OCT-2007, sequence version 1.
DT   25-MAY-2022, entry version 24.
DE   RecName: Full=Small serum protein 3;
DE            Short=SSP-3;
DE   Flags: Precursor;
OS   Protobothrops flavoviridis (Habu) (Trimeresurus flavoviridis).
OC   Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi;
OC   Lepidosauria; Squamata; Bifurcata; Unidentata; Episquamata; Toxicofera;
OC   Serpentes; Colubroidea; Viperidae; Crotalinae; Protobothrops.
OX   NCBI_TaxID=88087;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [MRNA], PROTEIN SEQUENCE OF 20-64, AND MASS
RP   SPECTROMETRY.
RC   TISSUE=Liver, and Serum;
RX   PubMed=17543280; DOI=10.1016/j.bbrc.2007.05.091;
RA   Aoki N., Sakiyama A., Deshimaru M., Terada S.;
RT   "Identification of novel serum proteins in a Japanese viper: homologs of
RT   mammalian PSP94.";
RL   Biochem. Biophys. Res. Commun. 359:330-334(2007).
CC   -!- FUNCTION: Shows an slight inhibitory effect toward the
CC       metalloproteinase brevilysin H6, but does not inhibit the
CC       metalloproteinases thermolysin, HR1A and HR1B.
CC   -!- SUBCELLULAR LOCATION: Secreted.
CC   -!- MASS SPECTROMETRY: Mass=6552.7; Method=Unknown;
CC       Evidence={ECO:0000269|PubMed:17543280};
CC   -!- SIMILARITY: Belongs to the beta-microseminoprotein family.
CC       {ECO:0000305}.
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DR   EMBL; AB360908; BAF80053.1; -; mRNA.
DR   AlphaFoldDB; A7VN15; -.
DR   SMR; A7VN15; -.
DR   GO; GO:0005576; C:extracellular region; IEA:UniProtKB-SubCell.
DR   InterPro; IPR008735; PSP94.
DR   Pfam; PF05825; PSP94; 1.
PE   1: Evidence at protein level;
KW   Direct protein sequencing; Disulfide bond; Secreted; Signal.
FT   SIGNAL          1..19
FT                   /evidence="ECO:0000269|PubMed:17543280"
FT   CHAIN           20..79
FT                   /note="Small serum protein 3"
FT                   /id="PRO_5000270322"
FT   DISULFID        21..72
FT                   /evidence="ECO:0000250"
FT   DISULFID        39..64
FT                   /evidence="ECO:0000250"
FT   DISULFID        62..71
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   79 AA;  8721 MW;  453A0698298C6B93 CRC64;
     MKVFFILIIF SFTLATCQGE CYGSVPLPID GEDVPLRTCV DTHDGQKHLI VSTWKTANSF
     SCECTQIGLQ CCQKYVAVA