Reviewed, UniProtKB/Swiss-Prot Q4PR53 (EXPA9_ORYSJ)

Names and origin

Protein names

Recommended name:
    Expansin-A9
Alternative name(s):
    OsEXPA9
    Alpha-expansin-9
    OsEXP9
    OsaEXPa1.19

Gene names

Name:	EXPA9
Synonyms:	EXP9
Ordered Locus Names:	Os01g0249100, LOC_Os01g14660
ORF Names:	OSJNBa0049B20.24, P0034C11.32

Organism

Oryza sativa subsp. japonica (Rice)

Taxonomic identifier

39947 [NCBI]

Taxonomic lineage

Eukaryota › Viridiplantae › Streptophyta › Embryophyta › Tracheophyta › Spermatophyta › Magnoliophyta › Liliopsida › Poales › Poaceae › BEP clade › Ehrhartoideae › Oryzeae › Oryza

Protein attributes

Sequence length	254 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)

Function	May cause loosening and extension of plant cell walls by disrupting non-covalent bonding between cellulose microfibrils and matrix glucans. No enzymatic activity has been found. May be required for rapid internodal elongation in deepwater rice during submergence By similarity.
Subcellular location	Secreted › cell wall By similarity. Membrane; Peripheral membrane protein By similarity.
Tissue specificity	Expressed in roots. Ref.4
Sequence similarities	Belongs to the expansin family. Expansin A subfamily. Contains 1 expansin-like CBD domain. Contains 1 expansin-like EG45 domain.

Ontologies

Keywords
Biological process	Cell wall biogenesis/degradation
Cellular component	Cell wall Membrane Secreted
Domain	Signal
PTM	Disulfide bond Glycoprotein
Gene Ontology (GO)
Biological process	plant-type cell wall organization Inferred from electronic annotation. Source: InterPro
Cellular component	cell wall Inferred from electronic annotation. Source: UniProtKB-SubCell extracellular region Inferred from electronic annotation. Source: UniProtKB-KW extrinsic to membrane Inferred from electronic annotation. Source: UniProtKB-SubCell
Complete GO annotation...

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Signal peptide	1 – 21	21	Potential
	Chain	22 – 254	233	Expansin-A9		PRO_0000251988
Regions
	Domain	45 – 159	115	Expansin-like EG45
	Domain	169 – 248	80	Expansin-like CBD
Amino acid modifications
	Glycosylation	61	1	N-linked (GlcNAc...) Potential
	Glycosylation	94	1	N-linked (GlcNAc...) Potential
	Glycosylation	109	1	N-linked (GlcNAc...) Potential
	Glycosylation	251	1	N-linked (GlcNAc...) Potential
	Disulfide bond	48 ↔ 76		By similarity
	Disulfide bond	79 ↔ 154		By similarity
	Disulfide bond	84 ↔ 92		By similarity

Sequences

	Sequence		Length	Mass (Da)
	Q4PR53-1 [UniParc]. Last modified October 3, 2006. Version 2. Checksum: A40924E21A819101	FASTA	254	26,987
	10 20 30 40 50 60 MEKKLLVVLF LSLCCASRLR GEAAQQWTSA TATFYGGSDA SGTMGGSCGY GNMYSAGYGT 70 80 90 100 110 120 NTTALSSALY GDGASCGACY LVTCDASATR WCKNGTSVTV TATNYCPPNY SESGDAGGWC 130 140 150 160 170 180 NPPRRHFDMS QPAWEAIAVY SSGIVPVRYA RTPCRRVGGI RFGIAGHDYY ELVLVTNVAG 190 200 210 220 230 240 SGAVAAAWVK GSGTEWLSMS RNWGENWQSN AYLTGQALSF RVQADDGGVV TAYDVAPANW 250 QFGSTYQSDV NFSY

References

	« Hide 'large scale' referencesShow 'large scale' references »
[1]	"The genome sequence and structure of rice chromosome 1." Sasaki T., Matsumoto T., Yamamoto K., Sakata K., Baba T., Katayose Y., Wu J., Niimura Y., Cheng Z., Nagamura Y., Antonio B.A., Kanamori H., Hosokawa S., Masukawa M., Arikawa K., Chiden Y., Hayashi M., Okamoto M. , Ando T., Aoki H., Arita K., Hamada M., Harada C., Hijishita S., Honda M., Ichikawa Y., Idonuma A., Iijima M., Ikeda M., Ikeno M., Ito S., Ito T., Ito Y., Ito Y., Iwabuchi A., Kamiya K., Karasawa W., Katagiri S., Kikuta A., Kobayashi N., Kono I., Machita K., Maehara T., Mizuno H., Mizubayashi T., Mukai Y., Nagasaki H., Nakashima M., Nakama Y., Nakamichi Y., Nakamura M., Namiki N., Negishi M., Ohta I., Ono N., Saji S., Sakai K., Shibata M., Shimokawa T., Shomura A., Song J., Takazaki Y., Terasawa K., Tsuji K., Waki K., Yamagata H., Yamane H., Yoshiki S., Yoshihara R., Yukawa K., Zhong H., Iwama H., Endo T., Ito H., Hahn J.H., Kim H.-I., Eun M.-Y., Yano M., Jiang J., Gojobori T. Nature 420:312-316(2002) [PubMed: 12447438] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: cv. Nipponbare.
[2]	"The map-based sequence of the rice genome." International rice genome sequencing project (IRGSP) Nature 436:793-800(2005) [PubMed: 16100779] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: cv. Nipponbare.
[3]	"Curated genome annotation of Oryza sativa ssp. japonica and comparative genome analysis with Arabidopsis thaliana." The rice annotation project (RAP) Genome Res. 17:175-183(2007) [PubMed: 17210932] [Abstract] Cited for: GENOME REANNOTATION. Strain: cv. Nipponbare.
[4]	"Characterization and transcriptional expression of the alpha-expansin gene family in rice." Shin J.-H., Jeong D.-H., Park M.C., An G. Mol. Cells 20:210-218(2005) [PubMed: 16267395] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [MRNA] OF 5-222, TISSUE SPECIFICITY. Strain: cv. Dongjin.
[5]	"Nomenclature for members of the expansin superfamily of genes and proteins." Kende H., Bradford K.J., Brummell D.A., Cho H.-T., Cosgrove D.J., Fleming A.J., Gehring C., Lee Y., McQueen-Mason S.J., Rose J.K.C., Voesenek L.A.C. Plant Mol. Biol. 55:311-314(2004) [PubMed: 15604683] [Abstract] Cited for: NOMENCLATURE.

Web resources

EXPANSIN homepage

Cross-references

Sequence databases
EMBL GenBank DDBJ	AC007789 Genomic DNA. Translation: AAD38297.1. AP002865 Genomic DNA. Translation: BAB18338.1. AP008207 Genomic DNA. Translation: BAF04502.1. DQ061054 mRNA. Translation: AAY63545.1.
RefSeq	NP_001042588.1.
UniGene	Os.69092
3D structure databases
SMR	Q4PR53. Positions 24-253.
ModBase	Search...
Genome annotation databases
GeneID	4327218.
KEGG	osa:4327218.
NMPDR	fig|39947.1.peg.5748.
Organism-specific databases
Gramene	Q4PR53.
Phylogenomic databases
HOGENOM	HBG605129.
Family and domain databases
InterPro	IPR009009. Barwin-related_endoglucanase. IPR007112. Expan_endogl. IPR007118. Expan_Lol_pI. IPR007117. Expan_Lol_pI_C. IPR002963. Expansin. IPR014734. Pollen_allergen. IPR005132. RlpA. [Graphical view]
Gene3D	G3DSA:2.60.40.760. Expan_Lol_pI_C. 1 hit. G3DSA:2.40.40.40. Pollen_allergen. 1 hit.
Pfam	PF03330. DPBB_1. 1 hit. PF01357. Pollen_allerg_1. 1 hit. [Graphical view]
PRINTS	PR01226. EXPANSIN. PR01225. EXPANSNFAMLY.
PROSITE	PS50843. EXPANSIN_CBD. 1 hit. PS50842. EXPANSIN_EG45. 1 hit. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

EXPA9_ORYSJ

Accession

Primary (citable) accession number: Q4PR53
Secondary accession number(s): Q9XHW9

Entry history

Integrated into UniProtKB/Swiss-Prot:	October 3, 2006
Last sequence update:	October 3, 2006
Last modified:	February 9, 2010
This is version 32 of the entry and version 2 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation project

PPAP (Plant Proteome Annotation Project)