4AUD

Crystal structure of alternaria alternata major allergen alt a 1

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	MAJOR ALLERGEN ALT A 1 SUBUNIT	polymer	130	14417.6	2	UniProt (Q6Q128) Pfam (PF16541) UniProt (by SIFTS) (P79085)	ALTERNARIA ALTERNATA
2	C, D (A, B)	SULFATE ION	non-polymer		96.1	2	Chemie (SO4)
3	E, F (A, B)	water	water		18.0	45	Chemie (HOH)

Sequence modifications

A, B: 2 - 130 (UniProt: Q6Q128)

PDB	External Database	Details
Mse 1	-	expression tag
Mse 54	Leu 81	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	28835.2
Non-Polymers*	Number of molecules	2
	Total formula weight	192.1
All*	Total formula weight	29027.3

*Water molecules are not included.