8I5K

Crystal structure of chitin oligosaccharide binding protein from Vibrio cholera in complex with chitotriose.

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	ABC transporter substrate-binding protein	polymer	536	60977.2	1	UniProt (A0A085SLP2) Pfam (PF00496) In PDB	Vibrio cholerae	Peptide/nickel transport system substrate-binding protein
2	B	2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		627.6	1	In PDB BIRD (PRD_900017) GlyTouCan (G47362BJ)
3	A	MAGNESIUM ION	non-polymer		24.3	1	Chemie (MG)
4		water	water		18.0	563	Chemie (HOH)

Sequence modifications

A: 1 - 529 (UniProt: A0A085SLP2)

PDB	External Database	Details
Met -6	-	initiating methionine
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	60977.2
Branched	Number of molecules	1
	Total formula weight	627.6
Non-Polymers*	Number of molecules	1
	Total formula weight	24.3
All*	Total formula weight	61629.1

*Water molecules are not included.