PSK2_ORYSI
ID PSK2_ORYSI Reviewed; 119 AA.
AC A2ZBG5; Q53PX4; Q9AR89;
DT 11-SEP-2007, integrated into UniProtKB/Swiss-Prot.
DT 20-MAR-2007, sequence version 1.
DT 25-MAY-2022, entry version 48.
DE RecName: Full=Phytosulfokines 2;
DE Contains:
DE RecName: Full=Phytosulfokine-alpha;
DE Short=PSK-alpha;
DE Short=Phytosulfokine-a;
DE Contains:
DE RecName: Full=Phytosulfokine-beta;
DE Short=PSK-beta;
DE Short=Phytosulfokine-b;
DE Flags: Precursor;
GN Name=PSK2; ORFNames=OsI_033908;
OS Oryza sativa subsp. indica (Rice).
OC Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC Spermatophyta; Magnoliopsida; Liliopsida; Poales; Poaceae; BOP clade;
OC Oryzoideae; Oryzeae; Oryzinae; Oryza; Oryza sativa.
OX NCBI_TaxID=39946;
RN [1]
RP NUCLEOTIDE SEQUENCE [MRNA].
RC STRAIN=cv. Pin Gaew 56; TISSUE=Root;
RA Lorbiecke R., Sauter M.;
RT "Precursor homologs of the PSK-alpha peptide growth factor are conserved in
RT structure but not primary sequence: identification and characterization of
RT the rice gene family.";
RL Submitted (MAR-2000) to the EMBL/GenBank/DDBJ databases.
RN [2]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=cv. 93-11;
RX PubMed=15685292; DOI=10.1371/journal.pbio.0030038;
RA Yu J., Wang J., Lin W., Li S., Li H., Zhou J., Ni P., Dong W., Hu S.,
RA Zeng C., Zhang J., Zhang Y., Li R., Xu Z., Li S., Li X., Zheng H., Cong L.,
RA Lin L., Yin J., Geng J., Li G., Shi J., Liu J., Lv H., Li J., Wang J.,
RA Deng Y., Ran L., Shi X., Wang X., Wu Q., Li C., Ren X., Wang J., Wang X.,
RA Li D., Liu D., Zhang X., Ji Z., Zhao W., Sun Y., Zhang Z., Bao J., Han Y.,
RA Dong L., Ji J., Chen P., Wu S., Liu J., Xiao Y., Bu D., Tan J., Yang L.,
RA Ye C., Zhang J., Xu J., Zhou Y., Yu Y., Zhang B., Zhuang S., Wei H.,
RA Liu B., Lei M., Yu H., Li Y., Xu H., Wei S., He X., Fang L., Zhang Z.,
RA Zhang Y., Huang X., Su Z., Tong W., Li J., Tong Z., Li S., Ye J., Wang L.,
RA Fang L., Lei T., Chen C.-S., Chen H.-C., Xu Z., Li H., Huang H., Zhang F.,
RA Xu H., Li N., Zhao C., Li S., Dong L., Huang Y., Li L., Xi Y., Qi Q.,
RA Li W., Zhang B., Hu W., Zhang Y., Tian X., Jiao Y., Liang X., Jin J.,
RA Gao L., Zheng W., Hao B., Liu S.-M., Wang W., Yuan L., Cao M.,
RA McDermott J., Samudrala R., Wang J., Wong G.K.-S., Yang H.;
RT "The genomes of Oryza sativa: a history of duplications.";
RL PLoS Biol. 3:266-281(2005).
RN [3]
RP PROTEIN SEQUENCE OF PSK-ALPHA AND PSK-BETA, CHARACTERIZATION, AND SULFATION
RP AT TYR-110 AND TYR-112.
RX PubMed=9371850; DOI=10.1073/pnas.94.24.13357;
RA Matsubayashi Y., Takagi L., Sakagami Y.;
RT "Phytosulfokine-alpha, a sulfated pentapeptide, stimulates the
RT proliferation of rice cells by means of specific high- and low-affinity
RT binding sites.";
RL Proc. Natl. Acad. Sci. U.S.A. 94:13357-13362(1997).
CC -!- FUNCTION: Promotes plant cell differentiation, organogenesis and
CC somatic embryogenesis as well as cell proliferation.
CC -!- SUBCELLULAR LOCATION: Secreted {ECO:0000250}.
CC -!- PTM: Sulfation is important for activity and for the binding to a
CC putative membrane receptor. {ECO:0000269|PubMed:9371850}.
CC -!- PTM: PSK-alpha is produced by endopeptidase digestion. PSK-beta is
CC produced from PSK-alpha by exopeptidase digestion.
CC -!- SIMILARITY: Belongs to the phytosulfokine family. {ECO:0000305}.
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DR EMBL; AJ276692; CAC34732.1; -; mRNA.
DR EMBL; CM000136; EAY79949.1; -; Genomic_DNA.
DR AlphaFoldDB; A2ZBG5; -.
DR STRING; 39946.A2ZBG5; -.
DR EnsemblPlants; BGIOSGA034799-TA; BGIOSGA034799-PA; BGIOSGA034799.
DR Gramene; BGIOSGA034799-TA; BGIOSGA034799-PA; BGIOSGA034799.
DR HOGENOM; CLU_132277_0_0_1; -.
DR OMA; CRISSPL; -.
DR Proteomes; UP000007015; Chromosome 11.
DR GO; GO:0005576; C:extracellular region; IEA:UniProtKB-SubCell.
DR GO; GO:0008083; F:growth factor activity; IEA:UniProtKB-KW.
DR GO; GO:0030154; P:cell differentiation; IEA:UniProtKB-KW.
DR GO; GO:0008283; P:cell population proliferation; IEA:InterPro.
DR InterPro; IPR009438; Phytosulfokine.
DR PANTHER; PTHR33285; PTHR33285; 1.
DR Pfam; PF06404; PSK; 1.
PE 1: Evidence at protein level;
KW Developmental protein; Differentiation; Direct protein sequencing;
KW Growth factor; Reference proteome; Secreted; Signal; Sulfation.
FT SIGNAL 1..34
FT /evidence="ECO:0000255"
FT PROPEP 35..109
FT /evidence="ECO:0000255"
FT /id="PRO_0000300866"
FT PEPTIDE 110..114
FT /note="Phytosulfokine-alpha"
FT /evidence="ECO:0000269|PubMed:9371850"
FT /id="PRO_0000300867"
FT PEPTIDE 110..113
FT /note="Phytosulfokine-beta"
FT /evidence="ECO:0000269|PubMed:9371850"
FT /id="PRO_0000300868"
FT PROPEP 115..119
FT /evidence="ECO:0000255"
FT /id="PRO_0000300869"
FT MOD_RES 110
FT /note="Sulfotyrosine"
FT /evidence="ECO:0000269|PubMed:9371850"
FT MOD_RES 112
FT /note="Sulfotyrosine"
FT /evidence="ECO:0000269|PubMed:9371850"
FT CONFLICT 31
FT /note="S -> F (in Ref. 1; CAC34732)"
FT /evidence="ECO:0000305"
SQ SEQUENCE 119 AA; 12564 MW; C74F13FA8F2D18B5 CRC64;
MSTTRGVSSS SAAAALALLL LFALCFFSFH SAAAARAVPR DEHQENGGVK AVAAVAADQL
VLQLEGDTGN GDEVSELMGA AEEEAAACEE GKNNDECVQR RLLSDAHLDY IYTQHKNKP
