7C6T

Crystal structure of beta-glycosides-binding protein (W177X) of ABC transporter in a closed state bound to laminaritriose (Form I)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Sugar ABC transporter, periplasmic sugar-binding protein	polymer	422	45906.2	1	UniProt (Q53W80) Pfam (PF13416)	Thermus thermophilus HB8
2	B (B)	beta-D-glucopyranose-(1-3)-beta-D-glucopyranose-(1-3)-beta-D-glucopyranose	branched		504.4	1	In PDB GlyTouCan (G00024MO)
3	C (A)	CHLORIDE ION	non-polymer		35.5	1	Chemie (CL)
4	D, E (A)	CARBON DIOXIDE	non-polymer		44.0	2	Chemie (CO2)
5	F (A)	SULFATE ION	non-polymer		96.1	1	Chemie (SO4)
6	G, H (A)	1,2-ETHANEDIOL	non-polymer		62.1	2	Chemie (EDO)
7	I (A)	water	water		18.0	139	Chemie (HOH)

Sequence modifications

A: 1 - 415 (UniProt: Q53W80)

PDB	External Database	Details
Met 0	-	initiating methionine
Arg 174	Lys 192	engineered mutation
Thr 175	Asn 193	engineered mutation
Pro 176	Ser 194	engineered mutation
-	Trp 195	deletion
Arg 177	Asp 196	engineered mutation
Thr 178	Val 197	engineered mutation
His 416	-	expression tag
His 417	-	expression tag
His 418	-	expression tag
His 419	-	expression tag
His 420	-	expression tag
His 421	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	45906.2
Branched	Number of molecules	1
	Total formula weight	504.4
Non-Polymers*	Number of molecules	6
	Total formula weight	343.7
All*	Total formula weight	46754.3

*Water molecules are not included.