3FY1

The Acidic Mammalian Chitinase catalytic domain in complex with methylallosamidin

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Acidic mammalian chitinase	polymer	395	44203.4	2	UniProt (Q9BZP6) Pfam (PF00704) In PDB	Homo sapiens (human)	AMCase, TSA1902
2	C, D	2-acetamido-2-deoxy-6-O-methyl-alpha-D-allopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-allopyranose	branched		438.4	2	In PDB GlyTouCan (G49898TV)
3	A, B	ALLOSAMIZOLINE	non-polymer		216.2	2	Chemie (AMI)
4		water	water		18.0	582	Chemie (HOH)

Sequence modifications

A, B: 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	2
	Total formula weight	88406.7
Branched	Number of molecules	2
	Total formula weight	876.9
Non-Polymers*	Number of molecules	2
	Total formula weight	432.5
All*	Total formula weight	89716.1

*Water molecules are not included.