8AMC

Crystal Structure of cat allergen Fel d 4

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D	Allergen Fel d 4	polymer	193	22277.9	4	UniProt (Q5VFH6) Pfam (PF00061) In PDB	Felis catus (domestic cat)
2	C, D	SULFATE ION	non-polymer		96.1	2	Chemie (SO4)
3		water	water		18.0	99	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 171 (UniProt: Q5VFH6)

PDB	External Database	Details
Met -21	-	initiating methionine
Gly -20	-	expression tag
Ser -19	-	expression tag
Ser -18	-	expression tag
His -17	-	expression tag
His -16	-	expression tag
His -15	-	expression tag
His -14	-	expression tag
His -13	-	expression tag
His -12	-	expression tag
Ser -11	-	expression tag
Ser -10	-	expression tag
Gly -9	-	expression tag
Glu -8	-	expression tag
Asn -7	-	expression tag
Leu -6	-	expression tag
Tyr -5	-	expression tag
Phe -4	-	expression tag
Gln -3	-	expression tag
Gly -2	-	expression tag
His -1	-	expression tag
Met 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	89111.7
Non-Polymers*	Number of molecules	2
	Total formula weight	192.1
All*	Total formula weight	89303.8

*Water molecules are not included.