3WNL

D308A mutant of Bacillus circulans T-3040 cycloisomaltooligosaccharide glucanotransferase complexed with isomaltohexaose

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Cycloisomaltooligosaccharide glucanotransferase	polymer	710	79134.1	1	UniProt (P94286) Pfam (PF13199) Pfam (PF16990) In PDB	Bacillus circulans
2	B	alpha-D-glucopyranose-(1-6)-alpha-D-glucopyranose-(1-6)-alpha-D-glucopyranose-(1-6)-beta-D-glucopyranose	branched		666.6	1	In PDB GlyTouCan (G09397NL)
3	C	alpha-D-glucopyranose-(1-6)-alpha-D-glucopyranose-(1-6)-alpha-D-glucopyranose-(1-6)-alpha-D-glucopyranose	branched		666.6	1	In PDB GlyTouCan (G80662SX)
4	A	CALCIUM ION	non-polymer		40.1	1	Chemie (CA)
5	A	SODIUM ION	non-polymer		23.0	1	Chemie (NA)
6	A	SULFATE ION	non-polymer		96.1	8	Chemie (SO4)
7	A	2-(N-MORPHOLINO)-ETHANESULFONIC ACID	non-polymer		195.2	1	Chemie (MES)
8		water	water		18.0	49	Chemie (HOH)

Sequence modifications

A: 39 - 738 (UniProt: P94286)

PDB	External Database	Details
Met 37	-	expression tag
Gly 38	-	expression tag
Phe 278	Ser 278	SEE REMARK 999
Ala 308	Asp 308	engineered mutation
Leu 739	-	expression tag
Glu 740	-	expression tag
His 741	-	expression tag
His 742	-	expression tag
His 743	-	expression tag
His 744	-	expression tag
His 745	-	expression tag
His 746	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	79134.1
Branched	Number of molecules	2
	Total formula weight	1333.2
Non-Polymers*	Number of molecules	11
	Total formula weight	1026.8
All*	Total formula weight	81494.1

*Water molecules are not included.