8AEI

X-ray structure of Canis familiaris Odorant Binding Protein 2 bound to citronellal

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Minor allergen Can f 2	polymer	175	19974.1	2	UniProt (O18874) Pfam (PF00061) In PDB	Canis lupus familiaris (dog)	Allergen Dog 2
2	A, B	(3R)-3,7-dimethyloct-6-en-1-ol	non-polymer		156.3	2	Chemie (ODM)
3	A, B	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
4		water	water		18.0	169	Chemie (HOH)

Sequence modifications

A, B: 1 - 162 (UniProt: O18874)

PDB	External Database	Details
Met -12	-	initiating methionine
Arg -11	-	expression tag
Gly -10	-	expression tag
Ser -9	-	expression tag
His -8	-	expression tag
His -7	-	expression tag
His -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
Thr -2	-	expression tag
Asp -1	-	expression tag
Pro 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	39948.3
Non-Polymers*	Number of molecules	4
	Total formula weight	361.1
All*	Total formula weight	40309.4

*Water molecules are not included.