4MCK

Crystal structure of Family GH19, Class IV chitinase from Zea mays

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Chitinase	polymer	201	22029.7	1	UniProt (Q6JBL3) Pfam (PF00182) UniProt (by SIFTS) (P29022) In PDB	Zea mays (maize)
2		water	water		18.0	303	Chemie (HOH)

Sequence modifications

A: 1 - 198 (UniProt: Q6JBL3)

PDB	External Database	Details
Unk -4	-	expression tag
Unk -3	-	expression tag
Unk -2	-	expression tag
Unk -1	-	expression tag
Unk 0	-	expression tag
Ser 3	Thr 83	SEE REMARK 999
Gln 62	Glu 142	engineered mutation
-	Gln 165	deletion
-	Ala 243	deletion

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	22029.7
All*	Total formula weight	22029.7

*Water molecules are not included.