5ZXG

Cyclic alpha-maltosyl-(1-->6)-maltose hydrolase from Arthrobacter globiformis, ligand-free form

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Cyclic maltosyl-maltose hydrolase	polymer	471	51664.3	2	UniProt (D2YYE1) Pfam (PF00128) In PDB	Arthrobacter globiformis
2	A	CALCIUM ION	non-polymer		40.1	1	Chemie (CA)
3		water	water		18.0	256	Chemie (HOH)

Sequence modifications

A, B: 4 - 451 (UniProt: D2YYE1)

PDB	External Database	Details
Met -19	-	expression tag
Gly -18	-	expression tag
Ser -17	-	expression tag
Ser -16	-	expression tag
His -15	-	expression tag
His -14	-	expression tag
His -13	-	expression tag
His -12	-	expression tag
His -11	-	expression tag
His -10	-	expression tag
Ser -9	-	expression tag
Ser -8	-	expression tag
Gly -7	-	expression tag
Leu -6	-	expression tag
Val -5	-	expression tag
Pro -4	-	expression tag
Arg -3	-	expression tag
Gly -2	-	expression tag
Ser -1	-	expression tag
His 0	-	expression tag
Met 1	-	expression tag
Val 2	-	expression tag
Thr 3	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	103328.5
Non-Polymers*	Number of molecules	1
	Total formula weight	40.1
All*	Total formula weight	103368.6

*Water molecules are not included.