4XKM

Crystal structure of Xylose Isomerase from an human intestinal tract microbe Bacteroides thetaiotaomicron

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D, E... (A, B, C, D, E...)	Xylose isomerase	polymer	458	51170.4	8	UniProt (Q8A9M2) Pfam (PF01261)	Bacteroides thetaiotaomicron (strain ATCC 29148 / DSM 2079 / NCTC 10582 / E50 / VPI-5482)
2	I, J, K, L, M... (A, B, C, D, E...)	MANGANESE (II) ION	non-polymer		54.9	16	Chemie (MN)
3	AA, BA, CA, DA, EA... (C, D, E, F, G...)	water	water		18.0	2600	Chemie (HOH)

Sequence modifications

A, B, C, D, E, F, G, H: 1 - 438 (UniProt: Q8A9M2)

PDB	External Database	Details
Met -19	-	initiating methionine
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

Contents of the asymmetric unit

Polymers	Number of chains	8
	Total formula weight	409363.2
Non-Polymers*	Number of molecules	16
	Total formula weight	879.0
All*	Total formula weight	410242.2

*Water molecules are not included.