3B9A

Crystal structure of Vibrio harveyi chitinase A complexed with hexasaccharide

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Chitinase A	polymer	584	63843.9	1	UniProt (Q9AMP1) Pfam (PF08329) Pfam (PF00704) In PDB	Vibrio harveyi	endochitinase A, Glycosylhydrolase, Family 18 chitinase
2	B	2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		1237.2	1	In PDB GlyTouCan (G36414FS)
3		water	water		18.0	690	Chemie (HOH)

Sequence modifications

A: 22 - 597 (UniProt: Q9AMP1)

PDB	External Database	Details
Met 315	Glu 315	engineered mutation
Arg 598	-	expression tag
Ser 599	-	expression tag
His 600	-	expression tag
His 601	-	expression tag
His 602	-	expression tag
His 603	-	expression tag
His 604	-	expression tag
His 605	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	63843.9
Branched	Number of molecules	1
	Total formula weight	1237.2
All*	Total formula weight	65081.0

*Water molecules are not included.