ID   ALB1_PSOTE              Reviewed;         175 AA.
AC   P15465;
DT   01-APR-1990, integrated into UniProtKB/Swiss-Prot.
DT   01-APR-1990, sequence version 1.
DT   25-MAY-2022, entry version 91.
DE   RecName: Full=Albumin-1;
DE   AltName: Full=WBA-1;
OS   Psophocarpus tetragonolobus (Winged bean) (Dolichos tetragonolobus).
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC   rosids; fabids; Fabales; Fabaceae; Papilionoideae; 50 kb inversion clade;
OC   NPAAA clade; indigoferoid/millettioid clade; Phaseoleae; Psophocarpus.
OX   NCBI_TaxID=3891;
RN   [1]
RP   PROTEIN SEQUENCE.
RC   STRAIN=cv. TPT-1; TISSUE=Seed;
RX   PubMed=2653830; DOI=10.1111/j.1432-1033.1989.tb14739.x;
RA   Kortt A.A., Strike P.M., de Jersey J.;
RT   "Amino acid sequence of a crystalline seed albumin (winged bean albumin-1)
RT   from Psophocarpus tetragonolobus (L.) DC. Sequence similarity with Kunitz-
RT   type seed inhibitors and 7S storage globulins.";
RL   Eur. J. Biochem. 181:403-408(1989).
RN   [2]
RP   X-RAY CRYSTALLOGRAPHY (1.8 ANGSTROMS), AND DISULFIDE BOND.
RX   PubMed=3611061; DOI=10.1016/s0021-9258(18)61110-x;
RA   Dayan S.M., Van Donkelaar A., Kortt A.A.;
RT   "Crystallization and preliminary crystallographic data of the major albumin
RT   from Psophocarpus tetragonolobus (L.) DC.";
RL   J. Biol. Chem. 262:10287-10289(1987).
CC   -!- FUNCTION: 2S seed storage protein.
CC   -!- SIMILARITY: Belongs to the protease inhibitor I3 (leguminous Kunitz-
CC       type inhibitor) family. {ECO:0000305}.
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DR   PIR; S04219; S04219.
DR   PDB; 1WBA; X-ray; 1.80 A; A=1-175.
DR   PDBsum; 1WBA; -.
DR   AlphaFoldDB; P15465; -.
DR   SMR; P15465; -.
DR   EvolutionaryTrace; P15465; -.
DR   GO; GO:0004866; F:endopeptidase inhibitor activity; IEA:InterPro.
DR   GO; GO:0045735; F:nutrient reservoir activity; IEA:UniProtKB-KW.
DR   CDD; cd00178; STI; 1.
DR   InterPro; IPR011065; Kunitz_inhibitor_STI-like_sf.
DR   InterPro; IPR002160; Prot_inh_Kunz-lg.
DR   PANTHER; PTHR33107; PTHR33107; 1.
DR   Pfam; PF00197; Kunitz_legume; 1.
DR   PRINTS; PR00291; KUNITZINHBTR.
DR   SMART; SM00452; STI; 1.
DR   SUPFAM; SSF50386; SSF50386; 1.
DR   PROSITE; PS00283; SOYBEAN_KUNITZ; 1.
PE   1: Evidence at protein level;
KW   3D-structure; Direct protein sequencing; Disulfide bond;
KW   Seed storage protein; Storage protein.
FT   CHAIN           1..175
FT                   /note="Albumin-1"
FT                   /id="PRO_0000083320"
FT   DISULFID        135..141
FT                   /evidence="ECO:0000269|PubMed:3611061"
FT   STRAND          17..23
FT                   /evidence="ECO:0007829|PDB:1WBA"
FT   TURN            24..26
FT                   /evidence="ECO:0007829|PDB:1WBA"
FT   STRAND          29..33
FT                   /evidence="ECO:0007829|PDB:1WBA"
FT   STRAND          45..48
FT                   /evidence="ECO:0007829|PDB:1WBA"
FT   STRAND          50..52
FT                   /evidence="ECO:0007829|PDB:1WBA"
FT   STRAND          56..62
FT                   /evidence="ECO:0007829|PDB:1WBA"
FT   STRAND          78..82
FT                   /evidence="ECO:0007829|PDB:1WBA"
FT   STRAND          91..97
FT                   /evidence="ECO:0007829|PDB:1WBA"
FT   TURN            98..100
FT                   /evidence="ECO:0007829|PDB:1WBA"
FT   STRAND          101..106
FT                   /evidence="ECO:0007829|PDB:1WBA"
FT   STRAND          116..122
FT                   /evidence="ECO:0007829|PDB:1WBA"
FT   STRAND          124..126
FT                   /evidence="ECO:0007829|PDB:1WBA"
FT   STRAND          130..136
FT                   /evidence="ECO:0007829|PDB:1WBA"
FT   STRAND          142..148
FT                   /evidence="ECO:0007829|PDB:1WBA"
FT   STRAND          154..159
FT                   /evidence="ECO:0007829|PDB:1WBA"
FT   STRAND          166..171
FT                   /evidence="ECO:0007829|PDB:1WBA"
SQ   SEQUENCE   175 AA;  19332 MW;  55722CC570EFA955 CRC64;
     ADDPVYDAEG NKLVNRGKYT IVSFSDGAGI DVVATGNENP EDPLSIVKST RNIMYATSIS
     SEDKTPPQPR NILENMRLKI NFATDPHKGD VWSVVDFQPD GQQLKLAGRY PNQVKGAFTI
     QKGSNTPRTY KLLFCPVGSP CKNIGISTDP EGKKRLVVSY QSDPLVVKFH RHEPE