1CTN

CRYSTAL STRUCTURE OF A BACTERIAL CHITINASE AT 2.3 ANGSTROMS RESOLUTION

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	540	58669.6	1	UniProt (P07254) Pfam (PF08329) Pfam (PF00704) In PDB	Serratia marcescens
2		water	water		18.0	332	Chemie (HOH)

Sequence modifications

A: 24 - 563 (UniProt: P07254)

PDB	External Database	Details
Thr 73	Ala 73	CONFLICT
Ile 226	Val 226	CONFLICT
Thr 351	Ala 351	CONFLICT
Ala 395	Pro 395	CONFLICT
Ile 437	Val 437	CONFLICT
Glu 473	Lys 473	CONFLICT

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	58669.6
All*	Total formula weight	58669.6

*Water molecules are not included.