4QWP

co-crystal structure of chitosanase OU01 with substrate

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	Chitosanase	polymer	248	26561.7	2	UniProt (Q8KZM5) Pfam (PF01374)	Pseudomonas sp. A-01
2	C (C)	2-amino-2-deoxy-beta-D-glucopyranose-(1-4)-2-amino-2-deoxy-beta-D-glucopyranose	branched		340.3	1	In PDB GlyTouCan (G61071JD)
3	D, E, F (D, E, F)	2-amino-2-deoxy-beta-D-glucopyranose-(1-4)-2-amino-2-deoxy-beta-D-glucopyranose-(1-4)-2-amino-2-deoxy-beta-D-glucopyranose	branched		501.5	3	In PDB GlyTouCan (G36121RO)
4	G (A)	ACETATE ION	non-polymer		59.0	1	Chemie (ACT)
5	H (B)	GLYCEROL	non-polymer		92.1	1	Chemie (GOL)
6	I, J (A, B)	water	water		18.0	363	Chemie (HOH)

Sequence modifications

A, B: 1 - 240 (UniProt: Q8KZM5)

PDB	External Database	Details
Gly -7	-	expression tag
Pro -6	-	expression tag
Leu -5	-	expression tag
Gly -4	-	expression tag
Ser -3	-	expression tag
Pro -2	-	expression tag
Glu -1	-	expression tag
Phe 0	-	expression tag
Thr 2	Ala 28	SEE REMARK 999
Ala 43	Asp 69	SEE REMARK 999
Ala 145	Val 171	SEE REMARK 999
Tyr 237	Phe 263	SEE REMARK 999

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	53123.3
Branched	Number of molecules	4
	Total formula weight	1844.8
Non-Polymers*	Number of molecules	2
	Total formula weight	151.1
All*	Total formula weight	55119.2

*Water molecules are not included.