8FJC

Structure of the catalytic domain of Streptococcus mutans GtfB complexed to acarbose in tetragonal space group P4322

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)	Glucosyltransferase-I	polymer	869	97510.5	2	UniProt (P08987) Pfam (PF02324)	Streptococcus mutans	GTF-I,Dextransucrase,Sucrose 6-glucosyltransferase
2	C, D (C, D)	4,6-dideoxy-4-{[(1S,4R,5S,6S)-4,5,6-trihydroxy-3-(hydroxymethyl)cyclohex-2-en-1-yl]amino}-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose	branched		645.6	2	In PDB BIRD (PRD_900007) GlyTouCan (G66431MI)
3	E, HA (A, B)	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
4	F, G, IA, JA, KA... (A, B)	1,2-ETHANEDIOL	non-polymer		62.1	8	Chemie (EDO)
5	AA, AB, BA, BB, CA... (A, B)	SULFATE ION	non-polymer		96.1	51	Chemie (SO4)
6	NB, OB (A, B)	water	water		18.0	323	Chemie (HOH)

Sequence modifications

A, B: 191 - 1051 (UniProt: P08987)

PDB	External Database	Details
Leu 1052	-	expression tag
Glu 1053	-	expression tag
His 1054	-	expression tag
His 1055	-	expression tag
His 1056	-	expression tag
His 1057	-	expression tag
His 1058	-	expression tag
His 1059	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	195021.0
Branched	Number of molecules	2
	Total formula weight	1291.2
Non-Polymers*	Number of molecules	61
	Total formula weight	5475.9
All*	Total formula weight	201788.1

*Water molecules are not included.