5KGP

X-ray structure of a glucosamine N-Acetyltransferase from Clostridium acetobutylicum in complex with chitosan

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Predicted acetyltransferase	polymer	328	38378.4	2	UniProt (Q97ML2) Pfam (PF00583) In PDB	Clostridium acetobutylicum (strain ATCC 824 / DSM 792 / JCM 1419 / LMG 5710 / VKM B-1787)
2	C, D	2-amino-2-deoxy-beta-D-glucopyranose-(1-4)-2-amino-2-deoxy-alpha-D-glucopyranose	branched		340.3	2	In PDB GlyTouCan (G58167JD)
3	A, B	ACETYL COENZYME *A	non-polymer		809.6	2	Chemie (ACO)
4	A, B	COENZYME A	non-polymer		767.5	3	Chemie (COA)
5	A	1,2-ETHANEDIOL	non-polymer		62.1	2	Chemie (EDO)
6	B	3[N-MORPHOLINO]PROPANE SULFONIC ACID	non-polymer		209.3	1	Chemie (MPO)
7		water	water		18.0	509	Chemie (HOH)

Sequence modifications

A, B: 1 - 320 (UniProt: Q97ML2)

PDB	External Database	Details
Gly 321	-	expression tag
Gly 322	-	expression tag
His 323	-	expression tag
His 324	-	expression tag
His 325	-	expression tag
His 326	-	expression tag
His 327	-	expression tag
His 328	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	76756.8
Branched	Number of molecules	2
	Total formula weight	680.7
Non-Polymers*	Number of molecules	8
	Total formula weight	4255.1
All*	Total formula weight	81692.6

*Water molecules are not included.