ID   DEF3A_RAT               Reviewed;          87 AA.
AC   Q62713;
DT   01-NOV-1997, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1996, sequence version 1.
DT   25-MAY-2022, entry version 99.
DE   RecName: Full=Neutrophil antibiotic peptide NP-3A;
DE            Short=RatNP-3a;
DE   AltName: Full=Neutrophil defensin 3;
DE   Flags: Precursor;
OS   Rattus norvegicus (Rat).
OC   Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia;
OC   Eutheria; Euarchontoglires; Glires; Rodentia; Myomorpha; Muroidea; Muridae;
OC   Murinae; Rattus.
OX   NCBI_TaxID=10116;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [MRNA], AND PROTEIN SEQUENCE OF 59-87.
RC   STRAIN=Sprague-Dawley; TISSUE=Bone marrow;
RX   PubMed=7594610;
RA   Yount N.Y., Wang M.-S.C., Yuan J., Banaiee N., Ouellette A.J.,
RA   Selsted M.E.;
RT   "Rat neutrophil defensins. Precursor structures and expression during
RT   neutrophilic myelopoiesis.";
RL   J. Immunol. 155:4476-4484(1995).
RN   [2]
RP   NUCLEOTIDE SEQUENCE.
RC   STRAIN=Sprague-Dawley; TISSUE=Neutrophil;
RA   Banaiee N., Yount N.Y., Selsted M.E.;
RT   "Molecular characterization of genes encoding rat neutrophil defensins.";
RL   Submitted (FEB-1996) to the EMBL/GenBank/DDBJ databases.
RN   [3]
RP   PROTEIN SEQUENCE OF 59-87.
RC   STRAIN=Sprague-Dawley; TISSUE=Peritoneal neutrophil;
RX   PubMed=2543629; DOI=10.1128/iai.57.7.2021-2027.1989;
RA   Eisenhauer P.B., Harwig S.S.S.L., Szklarek D., Ganz T., Selsted M.E.,
RA   Lehrer R.I.;
RT   "Purification and antimicrobial properties of three defensins from rat
RT   neutrophils.";
RL   Infect. Immun. 57:2021-2027(1989).
CC   -!- FUNCTION: Active in vitro against S.aureus, fungi, Gram-positive and
CC       Gram-negative bacteria and to a lesser extent against an enveloped
CC       virus.
CC   -!- SUBCELLULAR LOCATION: Secreted.
CC   -!- TISSUE SPECIFICITY: Highest expression in bone marrow and to a much
CC       lesser extent in small intestine.
CC   -!- SIMILARITY: Belongs to the alpha-defensin family. {ECO:0000305}.
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DR   EMBL; U16683; AAA91971.1; -; mRNA.
DR   EMBL; U50353; AAC99551.1; -; Genomic_DNA.
DR   PIR; B61014; B61014.
DR   AlphaFoldDB; Q62713; -.
DR   SMR; Q62713; -.
DR   Proteomes; UP000002494; Unplaced.
DR   GO; GO:0005615; C:extracellular space; IBA:GO_Central.
DR   GO; GO:0019731; P:antibacterial humoral response; IBA:GO_Central.
DR   GO; GO:0061844; P:antimicrobial humoral immune response mediated by antimicrobial peptide; IBA:GO_Central.
DR   GO; GO:0071222; P:cellular response to lipopolysaccharide; IBA:GO_Central.
DR   GO; GO:0050832; P:defense response to fungus; IEA:UniProtKB-KW.
DR   GO; GO:0050829; P:defense response to Gram-negative bacterium; IBA:GO_Central.
DR   GO; GO:0050830; P:defense response to Gram-positive bacterium; IBA:GO_Central.
DR   GO; GO:0002227; P:innate immune response in mucosa; IBA:GO_Central.
DR   GO; GO:0031640; P:killing of cells of another organism; IEA:UniProtKB-KW.
DR   GO; GO:0051673; P:membrane disruption in another organism; IBA:GO_Central.
DR   InterPro; IPR016327; Alpha-defensin.
DR   InterPro; IPR006081; Alpha-defensin_C.
DR   InterPro; IPR002366; Alpha-defensin_propep.
DR   InterPro; IPR006080; Defensin_beta/alpha.
DR   PANTHER; PTHR11876; PTHR11876; 1.
DR   Pfam; PF00323; Defensin_1; 1.
DR   Pfam; PF00879; Defensin_propep; 1.
DR   PIRSF; PIRSF001875; Alpha-defensin; 1.
DR   SMART; SM00048; DEFSN; 1.
DR   PROSITE; PS00269; DEFENSIN; 1.
PE   1: Evidence at protein level;
KW   Antibiotic; Antimicrobial; Defensin; Direct protein sequencing;
KW   Disulfide bond; Fungicide; Reference proteome; Secreted; Signal.
FT   SIGNAL          1..19
FT                   /evidence="ECO:0000255"
FT   PROPEP          20..58
FT                   /evidence="ECO:0000269|PubMed:2543629,
FT                   ECO:0000269|PubMed:7594610"
FT                   /id="PRO_0000006863"
FT   PEPTIDE         59..87
FT                   /note="Neutrophil antibiotic peptide NP-3A"
FT                   /id="PRO_0000006864"
FT   DISULFID        59..87
FT                   /evidence="ECO:0000250"
FT   DISULFID        61..76
FT                   /evidence="ECO:0000250"
FT   DISULFID        66..86
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   87 AA;  9341 MW;  378CE8C2FC6B2A2F CRC64;
     MRTLTLLTTL LLLALHTQAE SPQGSTKEAP DEEQDISVFF GGDKGTALQD AAVKAGVTCS
     CRTSSCRFGE RLSGACRLNG RIYRLCC