2Z39

Crystal structure of Brassica juncea chitinase catalytic module Glu234Ala mutant (Bjchi3-E234A)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Chitinase	polymer	246	27200.4	2	UniProt (Q9SQF7) Pfam (PF00182) In PDB	Brassica juncea
2	A, B	CHLORIDE ION	non-polymer		35.5	19	Chemie (CL)
3		water	water		18.0	421	Chemie (HOH)

Sequence modifications

A, B: 146 - 389 (UniProt: Q9SQF7)

PDB	External Database	Details
Phe 144	-	cloning artifact
Gly 145	-	cloning artifact
Ala 234	Glu 234	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	54400.8
Non-Polymers*	Number of molecules	19
	Total formula weight	673.6
All*	Total formula weight	55074.4

*Water molecules are not included.