ID A0A8C3N752_GEOPR Unreviewed; 466 AA.
AC A0A8C3N752;
DT 19-JAN-2022, integrated into UniProtKB/TrEMBL.
DT 19-JAN-2022, sequence version 1.
DT 28-JAN-2026, entry version 19.
DE SubName: Full=HtrA serine peptidase 3 {ECO:0000313|Ensembl:ENSCPVP00000016906.1};
GN Name=HTRA3 {ECO:0000313|Ensembl:ENSCPVP00000016906.1};
OS Geospiza parvula (Small tree-finch) (Camarhynchus parvulus).
OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi;
OC Archelosauria; Archosauria; Dinosauria; Saurischia; Theropoda;
OC Coelurosauria; Aves; Neognathae; Neoaves; Telluraves; Australaves;
OC Passeriformes; Thraupidae; Camarhynchus.
OX NCBI_TaxID=87175 {ECO:0000313|Ensembl:ENSCPVP00000016906.1, ECO:0000313|Proteomes:UP000694382};
RN [1] {ECO:0000313|Ensembl:ENSCPVP00000016906.1}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RA Enbody D E., Pettersson E M.;
RL Submitted (FEB-2020) to the EMBL/GenBank/DDBJ databases.
RN [2] {ECO:0000313|Ensembl:ENSCPVP00000016906.1}
RP IDENTIFICATION.
RG Ensembl;
RL Submitted (AUG-2025) to UniProtKB.
RN [3] {ECO:0000313|Ensembl:ENSCPVP00000016906.1}
RP IDENTIFICATION.
RG Ensembl;
RL Submitted (SEP-2025) to UniProtKB.
CC -!- SUBCELLULAR LOCATION: Secreted {ECO:0000256|ARBA:ARBA00004613}.
CC -!- SIMILARITY: Belongs to the peptidase S1C family.
CC {ECO:0000256|ARBA:ARBA00010541}.
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DR RefSeq; XP_030803812.1; XM_030947952.1.
DR AlphaFoldDB; A0A8C3N752; -.
DR Ensembl; ENSCPVT00000017661.2; ENSCPVP00000016906.1; ENSCPVG00000012378.2.
DR GeneID; 115903455; -.
DR CTD; 94031; -.
DR Proteomes; UP000694382; Chromosome 4.
DR GO; GO:0005576; C:extracellular region; IEA:UniProtKB-SubCell.
DR GO; GO:0004252; F:serine-type endopeptidase activity; IEA:InterPro.
DR GO; GO:0006508; P:proteolysis; IEA:UniProtKB-KW.
DR CDD; cd06785; cpPDZ_HtrA-like; 1.
DR CDD; cd00104; KAZAL_FS; 1.
DR FunFam; 2.40.10.120:FF:000002; HtrA serine peptidase 3; 1.
DR Gene3D; 2.30.42.10; -; 1.
DR Gene3D; 2.40.10.120; -; 1.
DR Gene3D; 3.30.60.30; -; 1.
DR Gene3D; 4.10.40.20; -; 1.
DR InterPro; IPR009030; Growth_fac_rcpt_cys_sf.
DR InterPro; IPR000867; IGFBP-like.
DR InterPro; IPR002350; Kazal_dom.
DR InterPro; IPR036058; Kazal_dom_sf.
DR InterPro; IPR001478; PDZ.
DR InterPro; IPR036034; PDZ_sf.
DR InterPro; IPR009003; Peptidase_S1_PA.
DR InterPro; IPR001940; Peptidase_S1C.
DR PANTHER; PTHR22939; SERINE PROTEASE FAMILY S1C HTRA-RELATED; 1.
DR PANTHER; PTHR22939:SF14; SERINE PROTEASE HTRA3; 1.
DR Pfam; PF00219; IGFBP; 1.
DR Pfam; PF07648; Kazal_2; 1.
DR Pfam; PF13180; PDZ_2; 1.
DR Pfam; PF13365; Trypsin_2; 1.
DR PRINTS; PR00834; PROTEASES2C.
DR SMART; SM00121; IB; 1.
DR SMART; SM00280; KAZAL; 1.
DR SMART; SM00228; PDZ; 1.
DR SUPFAM; SSF57184; Growth factor receptor domain; 1.
DR SUPFAM; SSF100895; Kazal-type serine protease inhibitors; 1.
DR SUPFAM; SSF50156; PDZ domain-like; 1.
DR SUPFAM; SSF50494; Trypsin-like serine proteases; 1.
DR PROSITE; PS51323; IGFBP_N_2; 1.
DR PROSITE; PS51465; KAZAL_2; 1.
DR PROSITE; PS50106; PDZ; 1.
PE 3: Inferred from homology;
KW Disulfide bond {ECO:0000256|ARBA:ARBA00023157};
KW Hydrolase {ECO:0000256|ARBA:ARBA00022801};
KW Protease {ECO:0000256|ARBA:ARBA00022670};
KW Reference proteome {ECO:0000313|Proteomes:UP000694382};
KW Secreted {ECO:0000256|ARBA:ARBA00022525};
KW Serine protease {ECO:0000256|ARBA:ARBA00022825};
KW Signal {ECO:0000256|ARBA:ARBA00022729}.
SQ SEQUENCE 466 AA; 50023 MW; FBC060D4273F6BAD CRC64;
MRASLLSPLL LLSLSSGPHA AELQLGRAKC PARCDVSTCP SPSCPSGYVP DRCGCCLICA
AGEGDSCGRK EDPPCGDSLD CRYPMGKRFA KGVCQCKLSA QVCGSDGRTY DNICQLKAVS
RKALQHGLPG IAQVQKGACE SGHLQSSSPR YKFNFIADVV EKIAPAVVHI ELFLRHPLFG
RNVPLSSGSG FIMSDSGLIV TNAHVVSSTN AISGRQQLKV QLQNGDTYEA TIKDIDKKSD
IATIKIHPKK KLPVLLLGHS ADLRPGEFVV AIGSPFALQN TVTTGIVSTA QRDGKELGLR
DSDMDYIQTD AIINYGNSGG PLVNLDGEVI GINTLKVTAG ISFAIPSDRI TQFLTESHDK
QSKDGKKRFI GIRMLTITPA LVEELKHSNA DFPDVRSGIY VHEVVPNSPS HRGGIQDGDI
IVKVNGRPLV TSSDLQEAVM NESPLLLEVR RGNDDLLFNI EPEVVM
//