9I2M

Crystal structure of the lipocalin 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 (A)	Allergen Fel d 4	polymer	192	22148.8	1	UniProt (Q5VFH6) Pfam (PF00061)	Felis catus (domestic cat)
2	B (A)	water	water		18.0	183	Chemie (HOH)

Sequence modifications

A: 16 - 185 (UniProt: Q5VFH6)

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

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	22148.8
All*	Total formula weight	22148.8

*Water molecules are not included.