7F88

Crystal structure of GH19 chitinase lacking the third loop structure

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 (A, B, C)	Chitinase A	polymer	197	21990.2	3	UniProt (A9ZSX9) Pfam (PF00182)	Gemmabryum coronatum
2	D, E, F (A, B, C)	water	water		18.0	489	Chemie (HOH)

Sequence modifications

A, B, C: 1 - 205 (UniProt: A9ZSX9)

PDB	External Database	Details
Met -6	-	initiating methionine
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag
Ala 61	Glu 84	engineered mutation
-	Tyr 100	deletion
-	Cys 101	deletion
-	Asp 102	deletion
-	Thr 103	deletion
-	Ser 104	deletion
-	Ser 105	deletion
-	Thr 106	deletion
-	Gln 107	deletion
-	Tyr 108	deletion
-	Pro 109	deletion
-	Cys 110	deletion
-	Ala 111	deletion
-	Ala 112	deletion
-	Gly 113	deletion
-	Lys 114	deletion

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	65970.5
All*	Total formula weight	65970.5

*Water molecules are not included.