PSY2_SOLLC
ID PSY2_SOLLC Reviewed; 310 AA.
AC P37273;
DT 01-OCT-1994, integrated into UniProtKB/Swiss-Prot.
DT 01-OCT-1994, sequence version 1.
DT 25-MAY-2022, entry version 99.
DE RecName: Full=Phytoene synthase 2, chloroplastic;
DE EC=2.5.1.32;
DE Flags: Precursor; Fragment;
GN Name=PSY2;
OS Solanum lycopersicum (Tomato) (Lycopersicon esculentum).
OC Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC asterids; lamiids; Solanales; Solanaceae; Solanoideae; Solaneae; Solanum;
OC Solanum subgen. Lycopersicon.
OX NCBI_TaxID=4081;
RN [1]
RP NUCLEOTIDE SEQUENCE [MRNA].
RC TISSUE=Leaf;
RX PubMed=8245008; DOI=10.1016/s0021-9258(19)74448-2;
RA Bartley G.E., Scolnik P.A.;
RT "cDNA cloning, expression during development, and genome mapping of PSY2, a
RT second tomato gene encoding phytoene synthase.";
RL J. Biol. Chem. 268:25718-25721(1993).
CC -!- FUNCTION: Catalyzes the reaction from prephytoene diphosphate to
CC phytoene.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=2 (2E,6E,10E)-geranylgeranyl diphosphate = 15-cis-phytoene + 2
CC diphosphate; Xref=Rhea:RHEA:34475, ChEBI:CHEBI:27787,
CC ChEBI:CHEBI:33019, ChEBI:CHEBI:58756; EC=2.5.1.32;
CC -!- PATHWAY: Carotenoid biosynthesis; phytoene biosynthesis; all-trans-
CC phytoene from geranylgeranyl diphosphate: step 1/1.
CC -!- SUBUNIT: Monomer. {ECO:0000250}.
CC -!- SUBCELLULAR LOCATION: Plastid, chloroplast.
CC -!- DEVELOPMENTAL STAGE: In mature leaves.
CC -!- SIMILARITY: Belongs to the phytoene/squalene synthase family.
CC {ECO:0000305}.
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DR EMBL; L23424; AAA34187.1; -; mRNA.
DR PIR; A49558; A49558.
DR AlphaFoldDB; P37273; -.
DR SMR; P37273; -.
DR STRING; 4081.Solyc02g081330.2.1; -.
DR PaxDb; P37273; -.
DR eggNOG; KOG1459; Eukaryota.
DR InParanoid; P37273; -.
DR SABIO-RK; P37273; -.
DR UniPathway; UPA00799; UER00773.
DR Proteomes; UP000004994; Unplaced.
DR ExpressionAtlas; P37273; baseline and differential.
DR GO; GO:0009507; C:chloroplast; IEA:UniProtKB-SubCell.
DR GO; GO:0004311; F:farnesyltranstransferase activity; IEA:InterPro.
DR GO; GO:0016767; F:geranylgeranyl-diphosphate geranylgeranyltransferase activity; IBA:GO_Central.
DR GO; GO:0016117; P:carotenoid biosynthetic process; IBA:GO_Central.
DR CDD; cd00683; Trans_IPPS_HH; 1.
DR Gene3D; 1.10.600.10; -; 1.
DR InterPro; IPR008949; Isoprenoid_synthase_dom_sf.
DR InterPro; IPR002060; Squ/phyt_synthse.
DR InterPro; IPR019845; Squalene/phytoene_synthase_CS.
DR InterPro; IPR044843; Trans_IPPS_bact-type.
DR InterPro; IPR033904; Trans_IPPS_HH.
DR Pfam; PF00494; SQS_PSY; 1.
DR SFLD; SFLDG01212; Phytoene_synthase_like; 1.
DR SFLD; SFLDG01018; Squalene/Phytoene_Synthase_Lik; 1.
DR SUPFAM; SSF48576; SSF48576; 1.
DR PROSITE; PS01044; SQUALEN_PHYTOEN_SYN_1; 1.
DR PROSITE; PS01045; SQUALEN_PHYTOEN_SYN_2; 1.
PE 2: Evidence at transcript level;
KW Carotenoid biosynthesis; Chloroplast; Isoprene biosynthesis; Plastid;
KW Reference proteome; Transferase; Transit peptide.
FT TRANSIT <1..25
FT /note="Chloroplast"
FT /evidence="ECO:0000255"
FT CHAIN 26..310
FT /note="Phytoene synthase 2, chloroplastic"
FT /id="PRO_0000029857"
FT NON_TER 1
SQ SEQUENCE 310 AA; 35224 MW; 8EAF60FE1D9F4CF5 CRC64;
DPDIVLPGNL GLLSEAYDRC GEVCAEYAKT FYLGTMLMTP DRRRAIWAIY VWCRRTDELV
DGPNASHITP QALDRWEARL EDIFNGRPFD MLDAALSDTV SRFPVDIQPF RDMVEGMRMD
LWKSRYNNFD ELYLYCYYVA GTVGLMSVPI MGIAPESKAT TESVYNAALA LGIANQLTNI
LRDVGEDARR GRVYLPQDEL AQAGLSDEDI FAGKVTDKWR IFMKKQIQRA RKFFDEAEKG
VTELSSASRW PVLASLLLYR KILDEIEAND YNNFTRRAYV SKPKKLLTLP IAYARSLVPP
KSTSCPLAKT
