4U2Z

X-ray crystal structure of an Sco GlgEI-V279S/1,2,2-trifluromaltose complex

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)	Alpha-1,4-glucan:maltose-1-phosphate maltosyltransferase 1	polymer	683	76394.5	2	UniProt (Q9L1K2) Pfam (PF11896) Pfam (PF21702)	Streptomyces coelicolor	GMPMT 1,(1->4)-alpha-D-glucan:maltose-1-phosphate alpha-D-maltosyltransferase 1
2	C, D (C, D)	alpha-D-glucopyranose-(1-4)-2-deoxy-2,2-difluoro-alpha-D-arabino-hexopyranosyl fluoride	branched		364.3	2	BIRD (PRD_900077)		1,2,2-trifluoromaltose
3	E, F (A, B)	water	water		18.0	891	Chemie (HOH)

Sequence modifications

A, B: 1 - 675 (UniProt: Q9L1K2)

PDB	External Database	Details
Ser 279	Val 279	engineered mutation
Ala 676	-	expression tag
Leu 677	-	expression tag
His 678	-	expression tag
His 679	-	expression tag
His 680	-	expression tag
His 681	-	expression tag
His 682	-	expression tag
His 683	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	152789.1
Branched	Number of molecules	2
	Total formula weight	728.5
All*	Total formula weight	153517.6

*Water molecules are not included.