A2Y9M4 (SSY1_ORYSI) Reviewed, UniProtKB/Swiss-Prot

Names and origin

Protein names

Recommended name:
Soluble starch synthase 1, chloroplastic/amyloplastic
EC=2.4.1.21

Alternative name(s):
SSS 1
Starch synthase I

Gene names

ORF Names:

OsI_021017

Organism

Oryza sativa subsp. indica (Rice)

Taxonomic identifier

39946 [NCBI]

Taxonomic lineage

cellular organisms › Eukaryota › Viridiplantae › Streptophyta › Streptophytina › Embryophyta › Tracheophyta › Euphyllophyta › Spermatophyta › Magnoliophyta › Liliopsida › commelinids › Poales › Poaceae › BEP clade › Ehrhartoideae › Oryzeae › Oryza › Oryza sativa

Protein attributes

Sequence length	641 AA.
Sequence status	Complete.
Sequence processing	The displayed sequence is further processed into a mature form.
Protein existence	Evidence at transcript level

General annotation (Comments)

Catalytic activity	ADP-glucose + (1,4-alpha-D-glucosyl)(n) = ADP + (1,4-alpha-D-glucosyl)(n+1).
Pathway	Glycan biosynthesis; starch biosynthesis.
Subcellular location	Plastid › chloroplast. Plastid › amyloplast. Note: Amyloplast or chloroplast, soluble Probable.
Miscellaneous	Three forms of soluble starch synthase were purified: RSS1, RSS2 and RSS3.
Sequence similarities	Belongs to the glycosyltransferase 1 family. Bacterial/plant glycogen synthase subfamily.

Ontologies

Keywords
Biological process	Starch biosynthesis
Cellular component	Amyloplast Chloroplast Plastid
Domain	Transit peptide
Molecular function	Glycosyltransferase Transferase
Gene Ontology (GO)
Biological_process	amylopectin biosynthetic process Inferred from electronic annotation. Source: EnsemblPlants/Gramene starch biosynthetic process Inferred from electronic annotation. Source: UniProtKB-UniPathway
Cellular_component	amyloplast Inferred from electronic annotation. Source: UniProtKB-SubCell chloroplast stroma Inferred from electronic annotation. Source: EnsemblPlants/Gramene
Molecular_function	starch synthase activity Inferred from electronic annotation. Source: EC
Complete GO annotation...

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Transit peptide	1 – 113	113	Chloroplast By similarity
	Chain	114 – 641	528	Soluble starch synthase 1, chloroplastic/amyloplastic		PRO_0000295650
Sites
	Binding site	147	1	ADP-glucose By similarity

Sequences

	Sequence		Length	Mass (Da)
	A2Y9M4 [UniParc]. Last modified March 20, 2007. Version 1. Checksum: FBCBB004DC252CD1	FASTA	641	70,953
	10 20 30 40 50 60 MATAAGMGIG AACLVAPQVR PGRRLRLQRV RRRCVAELSR DGGSAQRPLA PAPLVKQPVL 70 80 90 100 110 120 PTFLVPTSTP PAPTQSPAPA PTPPPLPDSG VGEIEPDLEG LTEDSIDKTI FVASEQESEI 130 140 150 160 170 180 MDVKEQAQAK VTRSVVFVTG EASPYAKSGG LGDVCGSLPI ALALRGHRVM VVMPRYMNGA 190 200 210 220 230 240 LNKNFANAFY TEKHIKIPCF GGEHEVTFFH EYRDSVDWVF VDHPSYHRPG NLYGDNFGAF 250 260 270 280 290 300 GDNQFRYTLL CYAACEAPLI LELGGYIYGQ KCMFVVNDWH ASLVPVLLAA KYRPYGVYRD 310 320 330 340 350 360 ARSVLVIHNL AHQGVEPAST YPDLGLPPEW YGALEWVFPE WARRHALDKG EAVNFLKGAV 370 380 390 400 410 420 VTADRIVTVS QGYSWEVTTA EGGQGLNELL SSRKSVLNGI VNGIDINDWN PSTDKFLPYH 430 440 450 460 470 480 YSVDDLSGKA KCKAELQEEL GLPIRPDVPL IGFIGRLDYQ KGIDLIKLAI PDLMRDNIQF 490 500 510 520 530 540 VMLGSGDPGF EGWMRSTESG YRDKFRGWVG FSVPVSHRIT AGCDILLMPS RFEPCGLNQL 550 560 570 580 590 600 YAMQYGTVPV VHGTGGLRDT VENFNPFAEK GEQGTGWAFS PLTIEKMLWA LRMAISTYRE 610 620 630 640 HKSSWEGLMK RGMSSDFTWD HAASQYEQIF EWAFMDQPYV M

References

	« Hide 'large scale' referencesShow 'large scale' references »
[1]	"Oryza sativa (indica cultivar-group) putative soluble starch synthase I gene." Jiang H.W., Dian W.M., Wu P. Submitted (MAY-2003) to the EMBL/GenBank/DDBJ databases Cited for: NUCLEOTIDE SEQUENCE [MRNA].
[2]	"The genomes of Oryza sativa: a history of duplications." Yu J., Wang J., Lin W., Li S., Li H., Zhou J., Ni P., Dong W., Hu S., Zeng C., Zhang J., Zhang Y., Li R., Xu Z., Li S., Li X., Zheng H., Cong L. , Lin L., Yin J., Geng J., Li G., Shi J., Liu J., Lv H., Li J., Wang J., Deng Y., Ran L., Shi X., Wang X., Wu Q., Li C., Ren X., Wang J., Wang X., Li D., Liu D., Zhang X., Ji Z., Zhao W., Sun Y., Zhang Z., Bao J., Han Y., Dong L., Ji J., Chen P., Wu S., Liu J., Xiao Y., Bu D., Tan J., Yang L., Ye C., Zhang J., Xu J., Zhou Y., Yu Y., Zhang B., Zhuang S., Wei H., Liu B., Lei M., Yu H., Li Y., Xu H., Wei S., He X., Fang L., Zhang Z., Zhang Y., Huang X., Su Z., Tong W., Li J., Tong Z., Li S., Ye J., Wang L., Fang L., Lei T., Chen C.-S., Chen H.-C., Xu Z., Li H., Huang H., Zhang F., Xu H., Li N., Zhao C., Li S., Dong L., Huang Y., Li L., Xi Y., Qi Q., Li W., Zhang B., Hu W., Zhang Y., Tian X., Jiao Y., Liang X., Jin J., Gao L., Zheng W., Hao B., Liu S.-M., Wang W., Yuan L., Cao M., McDermott J., Samudrala R., Wang J., Wong G.K.-S., Yang H. PLoS Biol. 3:266-281(2005) [PubMed] [Europe PMC] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: cv. 93-11.

Cross-references

Sequence databases
EMBL GenBank DDBJ	AY299404 mRNA. Translation: AAP56350.1. CM000131 Genomic DNA. Translation: EAY99784.1.
3D structure databases
ProteinModelPortal	A2Y9M4.
ModBase	Search...
Protein-protein interaction databases
STRING	39947.LOC_Os06g06560.1.
Protein family/group databases
CAZy	GT5. Glycosyltransferase Family 5.
Protocols and materials databases
StructuralBiologyKnowledgebase	Search...
Organism-specific databases
Gramene	A2Y9M4.
Phylogenomic databases
eggNOG	COG0297.
HOGENOM	HOG000294940.
Enzyme and pathway databases
UniPathway	UPA00152.
Gene expression databases
ArrayExpress	A2Y9M4.
Family and domain databases
InterPro	IPR001296. Glyco_trans_1. IPR011835. Glycogen/starch_synth. IPR013534. Starch_synth_cat_dom. [Graphical view]
Pfam	PF08323. Glyco_transf_5. 1 hit. PF00534. Glycos_transf_1. 1 hit. [Graphical view]
TIGRFAMs	TIGR02095. glgA. 1 hit.
ProtoNet	Search...

Entry information

Entry name

SSY1_ORYSI

Accession

Primary (citable) accession number: A2Y9M4
Secondary accession number(s): O24206 , Q40739, Q5WA90, Q7Y044

Entry history

Integrated into UniProtKB/Swiss-Prot:	July 24, 2007
Last sequence update:	March 20, 2007
Last modified:	April 3, 2013
This is version 36 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation program

Plant Protein Annotation Program