ID   LEC_LATSP               Reviewed;         244 AA.
AC   P16349;
DT   01-AUG-1990, integrated into UniProtKB/Swiss-Prot.
DT   01-AUG-1990, sequence version 1.
DT   25-MAY-2022, entry version 78.
DE   RecName: Full=Lectin;
OS   Lathyrus sphaericus (Spring vetchling).
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; Hologalegina; IRL clade; Fabeae; Lathyrus.
OX   NCBI_TaxID=3861;
RN   [1]
RP   PROTEIN SEQUENCE.
RC   TISSUE=Seed;
RA   Richardson M., Yarwood A., Rouge P.;
RT   "The amino acid sequence of an atypical single-chain lectin from seeds of
RT   Lathyrus sphaericus (Retz).";
RL   FEBS Lett. 216:145-150(1987).
CC   -!- SUBUNIT: Homodimer. In contrast to other Lathyrus lectins which are
CC       tetramer of two alpha and two beta chains.
CC   -!- SIMILARITY: Belongs to the leguminous lectin family. {ECO:0000305}.
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DR   PIR; S00002; LNLD.
DR   AlphaFoldDB; P16349; -.
DR   SMR; P16349; -.
DR   GO; GO:0030246; F:carbohydrate binding; IEA:UniProtKB-KW.
DR   CDD; cd06899; lectin_legume_LecRK_Arcelin_ConA; 1.
DR   InterPro; IPR013320; ConA-like_dom_sf.
DR   InterPro; IPR016363; L-lectin.
DR   InterPro; IPR000985; Lectin_LegA_CS.
DR   InterPro; IPR019825; Lectin_legB_Mn/Ca_BS.
DR   InterPro; IPR001220; Legume_lectin_dom.
DR   Pfam; PF00139; Lectin_legB; 1.
DR   PIRSF; PIRSF002690; L-type_lectin_plant; 1.
DR   SUPFAM; SSF49899; SSF49899; 1.
DR   PROSITE; PS00308; LECTIN_LEGUME_ALPHA; 1.
DR   PROSITE; PS00307; LECTIN_LEGUME_BETA; 1.
PE   1: Evidence at protein level;
KW   Direct protein sequencing; Lectin.
FT   CHAIN           1..244
FT                   /note="Lectin"
FT                   /id="PRO_0000105107"
FT   REGION          1..20
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   VARIANT         57
FT                   /note="S -> G"
FT   VARIANT         98
FT                   /note="I -> S"
SQ   SEQUENCE   244 AA;  27313 MW;  75998B9415DF0C5B CRC64;
     TETETTSFSI PKTDQPSSPK FVSGQPNLIF QGNAYSTDGK LILTEAKQNT VGRALYSAPI
     HIWDRKTGKV ADFTASFTFY IRPNSDSQVV ADGFTFFIAP VDTQPRGDGG LLGVFNREEY
     DPTIHTVAVE FDTFHNQPWD PDYIHIGVDI NSIKSRITRP WNPHYDTYSI AYIAYKAATN
     ELDVTVTYPN SRDYATLREV VDLKQIVPEW VRVGLSASTA TYYSAHEVYS WSFHSELGGT
     SSSN