8FRA

Mouse acidic mammalian chitinase, catalytic domain in complex with diacetylchitobiose at pH 5.60

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	397	44622.0	4	UniProt (Q91XA9) Pfam (PF00704) In PDB	Mus musculus (house mouse)	AMCase,YNL
2	E, F, G, H, I...	2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		424.4	6	In PDB GlyTouCan (G42666HT)
3	K, L, M	2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-alpha-D-glucopyranose	branched		424.4	3	In PDB GlyTouCan (G05026ZL)
4	D	MAGNESIUM ION	non-polymer		24.3	1	Chemie (MG)
5		water	water		18.0	2179	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 391 (UniProt: Q91XA9)

PDB	External Database	Details
His 392	-	expression tag
His 393	-	expression tag
His 394	-	expression tag
His 395	-	expression tag
His 396	-	expression tag
His 397	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	178488.0
Branched	Number of molecules	9
	Total formula weight	3819.6
Non-Polymers*	Number of molecules	1
	Total formula weight	24.3
All*	Total formula weight	182331.9

*Water molecules are not included.