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DGDG2_LOTJA
ID   DGDG2_LOTJA             Reviewed;         463 AA.
AC   Q6DW73;
DT   17-OCT-2006, integrated into UniProtKB/Swiss-Prot.
DT   16-AUG-2004, sequence version 1.
DT   25-MAY-2022, entry version 53.
DE   RecName: Full=Digalactosyldiacylglycerol synthase 2, chloroplastic;
DE            EC=2.4.1.241;
GN   Name=DGD2;
OS   Lotus japonicus (Lotus corniculatus var. japonicus).
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; robinioid clade; Loteae; Lotus.
OX   NCBI_TaxID=34305;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [MRNA], FUNCTION, SUBCELLULAR LOCATION, AND TISSUE
RP   SPECIFICITY.
RX   PubMed=15159398; DOI=10.1074/jbc.m404098200;
RA   Gaude N., Tippmann H., Flemetakis E., Katinakis P., Udvardi M.,
RA   Doermann P.;
RT   "The galactolipid digalactosyldiacylglycerol accumulates in the
RT   peribacteroid membrane of nitrogen-fixing nodules of Soybean and Lotus.";
RL   J. Biol. Chem. 279:34624-34630(2004).
CC   -!- FUNCTION: Involved in the synthesis of diacylglycerol galactolipids
CC       that are specifically found in thylakoid membranes. Specific for alpha-
CC       glycosidic linkages. {ECO:0000269|PubMed:15159398}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=a 1,2-diacyl-3-O-(beta-D-galactosyl)-sn-glycerol + UDP-alpha-
CC         D-galactose = 1,2-diacyl-3-O-[alpha-D-galactosyl-(1->6)-beta-D-
CC         galactosyl]-sn-glycerol + H(+) + UDP; Xref=Rhea:RHEA:10520,
CC         ChEBI:CHEBI:15378, ChEBI:CHEBI:17615, ChEBI:CHEBI:28396,
CC         ChEBI:CHEBI:58223, ChEBI:CHEBI:66914; EC=2.4.1.241;
CC   -!- SUBCELLULAR LOCATION: Symbiosome, peribacteroid membrane {ECO:0000305}.
CC       Plastid, chloroplast outer membrane {ECO:0000250}.
CC   -!- TISSUE SPECIFICITY: High expression in nodules infected cells, and low
CC       in nodule and root vascular tissue. {ECO:0000269|PubMed:15159398}.
CC   -!- SIMILARITY: Belongs to the glycosyltransferase group 1 family.
CC       Glycosyltransferase 4 subfamily. {ECO:0000305}.
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DR   EMBL; AY635910; AAT67423.1; -; mRNA.
DR   AlphaFoldDB; Q6DW73; -.
DR   CAZy; GT4; Glycosyltransferase Family 4.
DR   PRIDE; Q6DW73; -.
DR   GO; GO:0009707; C:chloroplast outer membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0043661; C:peribacteroid membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0046481; F:digalactosyldiacylglycerol synthase activity; IEA:UniProtKB-EC.
DR   GO; GO:0009877; P:nodulation; IEA:UniProtKB-KW.
DR   InterPro; IPR044525; DGDG1/2.
DR   InterPro; IPR001296; Glyco_trans_1.
DR   PANTHER; PTHR46132; PTHR46132; 1.
DR   Pfam; PF00534; Glycos_transf_1; 1.
PE   2: Evidence at transcript level;
KW   Chloroplast; Glycosyltransferase; Membrane; Nodulation; Plastid;
KW   Plastid outer membrane; Transferase.
FT   CHAIN           1..463
FT                   /note="Digalactosyldiacylglycerol synthase 2,
FT                   chloroplastic"
FT                   /id="PRO_0000252341"
SQ   SEQUENCE   463 AA;  52502 MW;  E1B46D39A01C0906 CRC64;
     MGKKQHIAIF TTASLPWLTG TAVNPLFRAA YLSKDGERDV TLVIPWLSLK DQALVYPNNI
     TFASPSEHEK YIRQWLEERV GFTSGFSIKF YPGKFSRDKR SILAVGDISE VIPDKEADIA
     VLEEPEHLTW FHHGKRWKTK FRLVIGIIHT NYLEYVKREK NGQMQAFLLK YLNNWVVGIY
     CHKVIRLSAA TQDYSGSIVC NVHGVNPKFL EIGKKKREQQ QNGDQAFTKG AYFIGKMVWS
     KGYKELLHLF KNHQKELSAL EVDLFGSGED SDEVQKAAKK LEMAVRVHPA RDHADALFHD
     YKLFLNPSTT DVVCTTTAEA LAMGKIVVCA NHCSNEFFKQ FPNCWTFDES KGFVQLILKA
     LAEEPAQLTD AQRHDLSWEA ATERFLKAAE LDKPFEKKLS RSTSIYMSTS LNLQQTVDDA
     SAYVHHVASG FEISRRMFGA IPGSLKPDEE LSKELGLSDS GRK
 
 
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