ID   MSMB4_PROFL             Reviewed;          81 AA.
AC   A7VN16;
DT   28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT   23-OCT-2007, sequence version 1.
DT   25-MAY-2022, entry version 21.
DE   RecName: Full=Small serum protein 4;
DE            Short=SSP-4;
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].
RC   TISSUE=Liver;
RA   Aoki N., Matsuo H., Deshimaru M., Terada S.;
RT   "Accelerated evolution of small serum proteins, PSP94 family proteins from
RT   venomous snake (Trimeresurus flavoviridis).";
RL   Submitted (SEP-2007) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Shows an slight inhibitory effect toward the
CC       metalloproteinase brevilysin H6, but does not inhibit the
CC       metalloproteinases thermolysin, HR1A and HR1B. {ECO:0000250}.
CC   -!- SUBCELLULAR LOCATION: Secreted.
CC   -!- SIMILARITY: Belongs to the beta-microseminoprotein family.
CC       {ECO:0000305}.
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DR   EMBL; AB360909; BAF80054.1; -; mRNA.
DR   AlphaFoldDB; A7VN16; -.
DR   SMR; A7VN16; -.
DR   GO; GO:0005576; C:extracellular region; IEA:UniProtKB-SubCell.
DR   InterPro; IPR008735; PSP94.
DR   Pfam; PF05825; PSP94; 1.
PE   3: Inferred from homology;
KW   Disulfide bond; Secreted; Signal.
FT   SIGNAL          1..19
FT                   /evidence="ECO:0000250"
FT   CHAIN           20..81
FT                   /note="Small serum protein 4"
FT                   /id="PRO_5000270323"
FT   DISULFID        21..74
FT                   /evidence="ECO:0000250"
FT   DISULFID        41..66
FT                   /evidence="ECO:0000250"
FT   DISULFID        64..73
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   81 AA;  9176 MW;  34043D7A14182FAB CRC64;
     MKVFFILIIF SFTLATCQGH CIGSIPLPEM EDGEDVPLRT CVDTHDEKKH LIVSTWKTAN
     SFSCECRQDG MWCCKEYVAV A