Reviewed, UniProtKB/Swiss-Prot P28744 (MPA14_AMBAR)

Names and origin

Protein names	Recommended name:     Pollen allergen Amb a 1.4 Alternative name(s):     Antigen Amb a I     Antigen E       Short name=AgE     Allergen=Amb a 1.4
Organism	Ambrosia artemisiifolia (Short ragweed)
Taxonomic identifier	4212 [NCBI]
Taxonomic lineage	Eukaryota › Viridiplantae › Streptophyta › Embryophyta › Tracheophyta › Spermatophyta › Magnoliophyta › eudicotyledons › core eudicotyledons › asterids › campanulids › Asterales › Asteraceae › Asteroideae › Heliantheae › Ambrosia

Protein attributes

Sequence length	392 AA.
Sequence status	Complete.
Sequence processing	The displayed sequence is further processed into a mature form.
Protein existence	Evidence at protein level.

General annotation (Comments)

Subunit structure	Monomer.
Tissue specificity	Pollen and flowers.
Post-translational modification	The N-terminus is blocked.
Allergenic properties	Causes an allergic reaction in human. This is one of the major allergens of the ragweed pollen.
Sequence similarities	Belongs to the polysaccharide lyase 1 family. Amb a subfamily.

Ontologies

Keywords
Coding sequence diversity	Polymorphism
Disease	Allergen
Domain	Signal
PTM	Disulfide bond
Gene Ontology (GO)
None. [Check GOA]

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Signal peptide	1 – 25	25	Potential
	Chain	26 – 392	367	Pollen allergen Amb a 1.4		PRO_0000024904
Amino acid modifications
	Disulfide bond	54 ↔ 71		By similarity
Natural variations
	Natural variant	182 – 188	7	SHDGPPV → CNDGPPA

Sequences

	Sequence		Length	Mass (Da)
	P28744-1 [UniParc]. Last modified December 1, 1992. Version 1. Checksum: 7B6219C12F365DA9	FASTA	392	42,843
	10 20 30 40 50 60 MGIKHCCYIL YFTLALVTLL QPVRSAEDLQ QILPSANETR SLTTCGTYNI IDGCWRGKAD 70 80 90 100 110 120 WAENRKALAD CAQGFAKGTI GGKDGDIYTV TSELDDDVAN PKEGTLRFGA AQNRPLWIIF 130 140 150 160 170 180 ARDMVIRLDR ELAINNDKTI DGRGAKVEII NAGFAIYNVK NIIIHNIIMH DIVVNPGGLI 190 200 210 220 230 240 KSHDGPPVPR KGSDGDAIGI SGGSQIWIDH CSLSKAVDGL IDAKHGSTHF TVSNCLFTQH 250 260 270 280 290 300 QYLLLFWDFD ERGMLCTVAF NKFTDNVDQR MPNLRHGFVQ VVNNNYERWG SYALGGSAGP 310 320 330 340 350 360 TILSQGNRFL ASDIKKEVVG RYGESAMSES INWNWRSYMD VFENGAIFVP SGVDPVLTPE 370 380 390 QNAGMIPAEP GEAVLRLTSS AGVLSCQPGA PC

References

[1]

"Sequence polymorphism of Amb a I and Amb a II, the major allergens in Ambrosia artemisiifolia (short ragweed)." Griffith I.J., Pollock J., Klapper D.G., Rogers B.L., Nault A.K. Int. Arch. Allergy Appl. Immunol. 96:296-304(1991) [PubMed: 1809687] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [MRNA], VARIANTS. Tissue: Pollen.

Cross-references

Sequence databases
EMBLGenBankDDBJ	M80562 mRNA. Translation: AAA32670.1.
PIR	D53240.
3D structure databases
ModBase	Search...
Protein family/group databases
CAZy	PL1. Polysaccharide Lyase Family 1.
Family and domain databases
InterPro	IPR002022. Amb_allergen. IPR018082. AmbAllergen. IPR012334. Pectin_lyas_fold. [Graphical view]
Gene3D	G3DSA:2.160.20.10. Pectin_lyas_fold. 1 hit.
Pfam	PF00544. Pec_lyase_C. 1 hit. [Graphical view]
PRINTS	PR00807. AMBALLERGEN.
SMART	SM00656. Amb_all. 1 hit. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

MPA14_AMBAR

Accession

Primary (citable) accession number: P28744

Entry history

Integrated into UniProtKB/Swiss-Prot:	December 1, 1992
Last sequence update:	December 1, 1992
Last modified:	April 14, 2009
This is version 53 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation project

PPAP (Plant Proteome Annotation Project)