7C67

Crystal structure of beta-glycosides-binding protein of ABC transporter in a closed state bound to cellotriose

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)	Sugar ABC transporter, periplasmic sugar-binding protein	polymer	423	46023.3	2	UniProt (Q53W80) Pfam (PF13416)	Thermus thermophilus (strain HB8 / ATCC 27634 / DSM 579)
2	C, D (C, D)	beta-D-glucopyranose-(1-4)-beta-D-glucopyranose-(1-4)-alpha-D-glucopyranose	branched		504.4	2	In PDB BIRD (PRD_900014) GlyTouCan (G03861VK)		alpha-cellotriose
3	E, F, O (A, B)	CHLORIDE ION	non-polymer		35.5	3	Chemie (CL)
4	G, P (A, B)	SODIUM ION	non-polymer		23.0	2	Chemie (NA)
5	H (A)	SULFUR DIOXIDE	non-polymer		64.1	1	Chemie (SO2)
6	I, Q (A, B)	SULFATE ION	non-polymer		96.1	2	Chemie (SO4)
7	J, K, R (A, B)	1,2-ETHANEDIOL	non-polymer		62.1	3	Chemie (EDO)
8	L, M, N (A)	CARBONATE ION	non-polymer		60.0	3	Chemie (CO3)
9	S, T (A, B)	water	water		18.0	419	Chemie (HOH)

Sequence modifications

A, B: 1 - 416 (UniProt: Q53W80)

PDB	External Database	Details
Met 0	-	initiating methionine
His 417	-	expression tag
His 418	-	expression tag
His 419	-	expression tag
His 420	-	expression tag
His 421	-	expression tag
His 422	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	92046.6
Branched	Number of molecules	2
	Total formula weight	1008.9
Non-Polymers*	Number of molecules	14
	Total formula weight	774.8
All*	Total formula weight	93830.2

*Water molecules are not included.