Reviewed, UniProtKB/Swiss-Prot Q13033 (STRN3_HUMAN)

Names and origin

Protein names

Recommended name:
    Striatin-3
Alternative name(s):
    Cell-cycle autoantigen SG2NA
    S/G2 antigen

Gene names

Name:	STRN3
Synonyms:	GS2NA, SG2NA

Organism

Homo sapiens (Human)

Taxonomic identifier

9606 [NCBI]

Taxonomic lineage

Eukaryota › Metazoa › Chordata › Craniata › Vertebrata › Euteleostomi › Mammalia › Eutheria › Euarchontoglires › Primates › Haplorrhini › Catarrhini › Hominidae › Homo

Protein attributes

Sequence length	797 AA.
Sequence status	Complete.
Sequence processing	The displayed sequence is not processed.
Protein existence	Evidence at protein level.

General annotation (Comments)

Function	Binds calmodulin in a calcium dependent manner. May function as scaffolding or signaling protein.
Subunit structure	Interacts with protein phosphatase 2A (PP2A) Potential.
Subcellular location	CytoplasmBy similarity. Membrane; Peripheral membrane proteinBy similarity.
Sequence similarities	Belongs to the WD repeat striatin family. Contains 6 WD repeats.
Caution	Was originally (Ref.1) thought to be nuclear.

Ontologies

Keywords
Cellular component	Cytoplasm Membrane
Coding sequence diversity	Alternative splicing
Domain	Coiled coil Repeat WD repeat
Ligand	Calmodulin-binding
PTM	Phosphoprotein
Gene Ontology (GO)
Biological process	cell cycle Inferred from direct assay. Source: UniProtKB
Cellular component	cytoskeleton Inferred from direct assay. Source: HPA cytosol Ref.2 Non-traceable author statement. Source: UniProtKB membrane Inferred from electronic annotation. Source: UniProtKB-KW membrane fraction Ref.2 Non-traceable author statement. Source: UniProtKB nucleus Inferred from direct assay. Source: UniProtKB
Molecular function	calmodulin binding Ref.2 Non-traceable author statement. Source: UniProtKB
Complete GO annotation...

Binary interactions

With	Entry	#Exp.	IntAct	Notes
MCC	P23508	1	EBI-1053857,EBI-307531
STK24	Q5T5B3	1	EBI-1053857,EBI-1054809

Alternative products

This entry describes 2 isoforms produced by alternative splicing. [Align] [Select]

Notes: Additional isoforms seem to exist.

Isoform Beta (identifier: Q13033-1)

This isoform has been chosen as the 'canonical' sequence. All positional information in this entry refers to it. This is also the sequence that appears in the downloadable versions of the entry.

Isoform Alpha (identifier: Q13033-2)

The sequence of this isoform differs from the canonical sequence as follows:
     330-413: Missing.

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Chain	1 – 797	797	Striatin-3		PRO_0000051236
Regions
	Repeat	478 – 517	40	WD 1
	Repeat	531 – 570	40	WD 2
	Repeat	584 – 623	40	WD 3
	Repeat	679 – 718	40	WD 4
	Repeat	721 – 760	40	WD 5
	Repeat	767 – 796	30	WD 6
	Region	71 – 79	9	Caveolin-binding Potential
	Region	166 – 183	18	Calmodulin-binding Potential
	Coiled coil	77 – 136	60	Potential
	Compositional bias	6 – 13	8	Poly-Gly
Amino acid modifications
	Modified residue	229	1	Phosphoserine
	Modified residue	257	1	Phosphoserine
Natural variations
	Alternative sequence	330 – 413	84	Missing in isoform Alpha.		VSP_006786

Sequences

	Sequence		Length	Mass (Da)
	Isoform Beta [UniParc]. Last modified November 16, 2001. Version 2. Checksum: AD83F259CC52185D	FASTA	797	87,133
	10 20 30 40 50 60 MDELAGGGGG GPGMAAPPRQ QQGPGGNLGL SPGGNGAAGG GGPPASEGAG PAAGPELSRP 70 80 90 100 110 120 QQNTIPGILH YIQHEWARFE MERAHWEVER AELQARIAFL QGERKGQENL KKDLVRRIKM 130 140 150 160 170 180 LEYALKQERA KYHKLKYGTE LNQGDLKMPT FESEETKDTE APTAPQNSQL TWKQGRQLLR 190 200 210 220 230 240 QYLQEVGYTD TILDVRSQRV RSLLGLSNSE PNGSVETKNL EQILNGGESP KQKGQEIKRS 250 260 270 280 290 300 SGDVLETFNF LENADDSDED EENDMIEGIP EGKDKHRMNK HKIGNEGLAA DLTDDPDTEE 310 320 330 340 350 360 ALKEFDFLVT AEDGEGAGEA RSSGDGTEWD KDDLSPTAEV WDVDQGLISK LKEQYKKERK 370 380 390 400 410 420 GKKGVKRANR TKLYDMIADL GDDELPHIPS GIINQSRSAS TRMTDHEGAR AEEAEPITFP 430 440 450 460 470 480 SGGGKSFIMG SDDVLLSVLG LGDLADLTVT NDADYSYDLP ANKDAFRKTW SPKYTLRSHF 490 500 510 520 530 540 DGVRALAFHP VEPVLVTASE DHTLKLWNLQ KTVPAKKSAS LDVEPIYTFR AHIGPVLSLA 550 560 570 580 590 600 ISSNGEQCFS GGIDATIQWW NMPSPSVDPY DTYEPNVLAG TLVGHTDAVW GLAYSGIKNQ 610 620 630 640 650 660 LLSCSADGTV RLWNPQEKLP CICTYNGDKK HGIPTSVDFI GCDPAHMVTS FNTGSAVIYD 670 680 690 700 710 720 LETSQSLVIL SSQVDSGLQS NNHINRVVSH PTLPVTITAH EDRHIKFFDN KTGKMIHSMV 730 740 750 760 770 780 AHLDAVTSLA VDPNGIYLMS GSHDCSIRLW NLDSKTCVQE ITAHRKKLDE SIYDVAFHSS 790 KAYIASAGAD ALAKVFV
	Isoform Alpha [UniParc]. Checksum: BEC007B111CBF5D4		713	77,669
	10 20 30 40 50 60 MDELAGGGGG GPGMAAPPRQ QQGPGGNLGL SPGGNGAAGG GGPPASEGAG PAAGPELSRP 70 80 90 100 110 120 QQNTIPGILH YIQHEWARFE MERAHWEVER AELQARIAFL QGERKGQENL KKDLVRRIKM 130 140 150 160 170 180 LEYALKQERA KYHKLKYGTE LNQGDLKMPT FESEETKDTE APTAPQNSQL TWKQGRQLLR 190 200 210 220 230 240 QYLQEVGYTD TILDVRSQRV RSLLGLSNSE PNGSVETKNL EQILNGGESP KQKGQEIKRS 250 260 270 280 290 300 SGDVLETFNF LENADDSDED EENDMIEGIP EGKDKHRMNK HKIGNEGLAA DLTDDPDTEE 310 320 330 340 350 360 ALKEFDFLVT AEDGEGAGEA RSSGDGTEWA EPITFPSGGG KSFIMGSDDV LLSVLGLGDL 370 380 390 400 410 420 ADLTVTNDAD YSYDLPANKD AFRKTWSPKY TLRSHFDGVR ALAFHPVEPV LVTASEDHTL 430 440 450 460 470 480 KLWNLQKTVP AKKSASLDVE PIYTFRAHIG PVLSLAISSN GEQCFSGGID ATIQWWNMPS 490 500 510 520 530 540 PSVDPYDTYE PNVLAGTLVG HTDAVWGLAY SGIKNQLLSC SADGTVRLWN PQEKLPCICT 550 560 570 580 590 600 YNGDKKHGIP TSVDFIGCDP AHMVTSFNTG SAVIYDLETS QSLVILSSQV DSGLQSNNHI 610 620 630 640 650 660 NRVVSHPTLP VTITAHEDRH IKFFDNKTGK MIHSMVAHLD AVTSLAVDPN GIYLMSGSHD 670 680 690 700 710 CSIRLWNLDS KTCVQEITAH RKKLDESIYD VAFHSSKAYI ASAGADALAK VFV

References

	« Hide 'large scale' referencesShow 'large scale' references »
[1]	"A cell-cycle nuclear autoantigen containing WD-40 motifs expressed mainly in S and G2 phase cells." Muro Y., Chan E.K., Landberg G., Tan E.M. Biochem. Biophys. Res. Commun. 207:1029-1037(1995) [PubMed: 7864889] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [MRNA] (ISOFORM ALPHA). Tissue: Liver.
[2]	"Zinedin, SG2NA, and striatin are calmodulin-binding, WD repeat proteins principally expressed in the brain." Castets F., Rakitina T., Gaillard S., Moqrich A., Mattei M.-G., Monneron A. J. Biol. Chem. 275:19970-19977(2000) [PubMed: 10748158] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [MRNA] OF 120-797 (ISOFORM BETA).
[3]	"Large-scale characterization of HeLa cell nuclear phosphoproteins." Beausoleil S.A., Jedrychowski M., Schwartz D., Elias J.E., Villen J., Li J., Cohn M.A., Cantley L.C., Gygi S.P. Proc. Natl. Acad. Sci. U.S.A. 101:12130-12135(2004) [PubMed: 15302935] [Abstract] Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-229, MASS SPECTROMETRY. Tissue: Epithelium.
[4]	"A probability-based approach for high-throughput protein phosphorylation analysis and site localization." Beausoleil S.A., Villen J., Gerber S.A., Rush J., Gygi S.P. Nat. Biotechnol. 24:1285-1292(2006) [PubMed: 16964243] [Abstract] Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-229, MASS SPECTROMETRY. Tissue: Epithelium.
[5]	"Automated phosphoproteome analysis for cultured cancer cells by two-dimensional nanoLC-MS using a calcined titania/C18 biphasic column." Imami K., Sugiyama N., Kyono Y., Tomita M., Ishihama Y. Anal. Sci. 24:161-166(2008) [PubMed: 18187866] [Abstract] Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-229, MASS SPECTROMETRY.
[6]	"A quantitative atlas of mitotic phosphorylation." Dephoure N., Zhou C., Villen J., Beausoleil S.A., Bakalarski C.E., Elledge S.J., Gygi S.P. Proc. Natl. Acad. Sci. U.S.A. 105:10762-10767(2008) [PubMed: 18669648] [Abstract] Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-229 AND SER-257, MASS SPECTROMETRY.

Cross-references

Sequence databases
EMBLGenBankDDBJ	U17989 mRNA. Translation: AAB81551.1. AF243424 mRNA. Translation: AAF81201.1.
PIR	JC2522.
UniGene	Hs.401843
3D structure databases
ModBase	Search...
Protein-protein interaction databases
IntAct	Q13033.
PTM databases
PhosphoSite	Q13033.
Genome annotation databases
Ensembl	ENSG00000196792. Homo sapiens. [Contig view]
Organism-specific databases
H-InvDB	HIX0037669.
HGNC	HGNC:15720. STRN3.
HPA	HPA003392. HPA004636.
PharmGKB	PA38394.
GenAtlas	Search...
GeneCards	Search...
Phylogenomic databases
HOGENOM	Q13033.
HOVERGEN	Q13033.
Gene expression databases
ArrayExpress	Q13033.
CleanEx	HS_STRN3.
GermOnline	ENSG00000196792. Homo sapiens.
Family and domain databases
InterPro	IPR013258. Striatin_N. IPR015943. WD40/YVTN_repeat-like. IPR001680. WD40_repeat. [Graphical view]
Gene3D	G3DSA:2.130.10.10. WD40/YVTN_repeat-like. 1 hit.
Pfam	PF08232. Striatin. 1 hit. PF00400. WD40. 4 hits. [Graphical view]
PRINTS	PR00320. GPROTEINBRPT.
ProDom	PD000018. WD40. 2 hits. [Graphical view] [Entries sharing at least one domain]
SMART	SM00320. WD40. 7 hits. [Graphical view]
PROSITE	PS00678. WD_REPEATS_1. 2 hits. PS50082. WD_REPEATS_2. 4 hits. PS50294. WD_REPEATS_REGION. 1 hit. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

STRN3_HUMAN

Accession

Primary (citable) accession number: Q13033
Secondary accession number(s): Q9NRA5

Entry history

Integrated into UniProtKB/Swiss-Prot:	July 15, 1998
Last sequence update:	November 16, 2001
Last modified:	November 25, 2008
This is version 83 of the entry and version 2 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation project

HPI (Human Proteome Initiative)