3FXY

Acidic Mammalian Chinase, Catalytic Domain

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	Acidic mammalian chitinase	polymer	395	44203.4	4	UniProt (Q9BZP6) Pfam (PF00704) In PDB	Homo sapiens (human)	AMCase, TSA1902
2		water	water		18.0	497	Chemie (HOH)

Sequence modifications

A, B, C, D: 22 - 408 (UniProt: Q9BZP6)

PDB	External Database	Details
Asp 45	Asn 45	SEE REMARK 999
Asn 47	Asp 47	SEE REMARK 999
Met 61	Arg 61	SEE REMARK 999
Val 339	Ile 339	variant
Gly 409	-	EXPRESSION TAG
Ser 410	-	EXPRESSION TAG
His 411	-	EXPRESSION TAG
His 412	-	EXPRESSION TAG
His 413	-	EXPRESSION TAG
His 414	-	EXPRESSION TAG
His 415	-	EXPRESSION TAG
His 416	-	EXPRESSION TAG

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	176813.5
All*	Total formula weight	176813.5

*Water molecules are not included.