6QPS

Structural characterization of a mannuronic acid specific polysaccharide family 6 lyase enzyme from human gut microbiota

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)	Polysaccharide Lyase Family 6	polymer	467	52889.4	2	UniProt (E2NM07) Pfam (PF14592)	Bacteroides cellulosilyticus
2	C, F (A, B)	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
3	D, E, G, H (A, B)	ACETATE ION	non-polymer		59.0	4	Chemie (ACT)
4	I, J (A, B)	water	water		18.0	1264	Chemie (HOH)

Sequence modifications

A, B: 22 - 467 (UniProt: E2NM07)

PDB	External Database	Details
Met 1	-	initiating methionine
Gly 2	-	expression tag
Ser 3	-	expression tag
Ser 4	-	expression tag
His 5	-	expression tag
His 6	-	expression tag
His 7	-	expression tag
His 8	-	expression tag
His 9	-	expression tag
His 10	-	expression tag
Ser 11	-	expression tag
Ser 12	-	expression tag
Gly 13	-	expression tag
Leu 14	-	expression tag
Val 15	-	expression tag
Pro 16	-	expression tag
Arg 17	-	expression tag
Gly 18	-	expression tag
Ser 19	-	expression tag
His 20	-	expression tag
Met 21	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	105778.8
Non-Polymers*	Number of molecules	6
	Total formula weight	316.3
All*	Total formula weight	106095.1

*Water molecules are not included.