Reviewed, UniProtKB/Swiss-Prot P83004 (13SB_FAGES)

Names and origin

Protein names	Recommended name:     13S globulin basic chain
Organism	Fagopyrum esculentum (Common buckwheat)
Taxonomic identifier	3617 [NCBI]
Taxonomic lineage	Eukaryota › Viridiplantae › Streptophyta › Embryophyta › Tracheophyta › Spermatophyta › Magnoliophyta › eudicotyledons › core eudicotyledons › Caryophyllales › Polygonaceae › Fagopyrum

Protein attributes

Sequence length	194 AA.
Sequence status	Complete.
Sequence processing	The displayed sequence is not processed.
Protein existence	Evidence at protein level.

General annotation (Comments)

Function	Seed storage protein with a relatively high level of Lys and Met.
Subunit structure	Hexamer; each subunit is composed of an acidic and a basic chain derived from a single precursor and linked by a disulfide bond By similarity.
Tissue specificity	Cotyledons and endosperm protein bodies.
Sequence similarities	Belongs to the 11S seed storage protein (globulins) family.

Ontologies

Keywords
Molecular function	Seed storage protein Storage protein
Technical term	Direct protein sequencing
Gene Ontology (GO)
Molecular function	nutrient reservoir activity Inferred from electronic annotation. Source: InterPro
Complete GO annotation...

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Chain	1 – 194	194	13S globulin basic chain		PRO_0000152877
Amino acid modifications
	Disulfide bond	7 ↔ ?		Interchain (between basic and acidic chains) Potential

Sequences

	Sequence		Length	Mass (Da)
	P83004-1 [UniParc]. Last modified October 1, 2001. Version 1. Checksum: 65A6FC49AFC1E9D0	FASTA	194	21,847
	10 20 30 40 50 60 GIDENVCTMK LRENIKSPQE ADFYNPKAGR ITTANSQKLP ALRSLQMSAE RGFLYSNGIY 70 80 90 100 110 120 APHWNINAHS ALYVTRGNAK VQVVGDEGNK VFDDEVKQGQ LIIVPQYFAV IKKAGNQGFE 130 140 150 160 170 180 YVAFKTNDNA MINPLVGRLS AFRAIPEEVL RSSFQISSEE AEELKYGRQE ALLLSEQSQQ 190 GKREVADEKE RERF

References

[1]	"Amino acid sequence of the 26 kDa subunit of legumin-type seed storage protein of common buckwheat (Fagopyrum esculentum Moench): molecular characterization and phylogenetic analysis." Bharali S., Chrungoo N.K. Phytochemistry 63:1-5(2003) [PubMed: 12657290] [Abstract] Cited for: PROTEIN SEQUENCE, FUNCTION, TISSUE SPECIFICITY. Strain: cv. BDS-1354. Tissue: Endosperm.
[2]	"Amino acid sequence of the basic subunit of 13S globulin of buckwheat." Rout M.K., Chrungoo N.K., Rao K.S. Phytochemistry 45:865-867(1997) [PubMed: 9214774] [Abstract] Cited for: PROTEIN SEQUENCE OF 1-17.

Cross-references

3D structure databases
HSSP	HSSP built from PDB template 1FXZ based on UniProtKB P04776.
ModBase	Search...
Family and domain databases
InterPro	IPR006045. Cupin_1. IPR014710. RmlC-like_jellyroll. IPR006044. Seedstore11s_pln. [Graphical view]
Gene3D	G3DSA:2.60.120.10. RmlC-like_jellyroll. 1 hit.
Pfam	PF00190. Cupin_1. 1 hit. [Graphical view]
PRINTS	PR00439. 11SGLOBULIN.
ProtoNet	Search...

Entry information

Entry name

13SB_FAGES

Accession

Primary (citable) accession number: P83004

Entry history

Integrated into UniProtKB/Swiss-Prot:	April 11, 2003
Last sequence update:	October 1, 2001
Last modified:	November 25, 2008
This is version 30 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation project

PPAP (Plant Proteome Annotation Project)