3QXB

Crystal structure of a Putative Xylose isomerase (YP_426450.1) from RHODOSPIRILLUM RUBRUM ATCC 11170 at 1.90 A resolution

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	Putative Xylose isomerase	polymer	316	36456.5	4	UniProt (Q2RUN2) Pfam (PF01261) In PDB	Rhodospirillum rubrum	Xylose isomerase-like TIM barrel
2	C, A, D, B	FE (III) ION	non-polymer		55.8	8	Chemie (FE)
3	C, A, D, B	MANGANESE (II) ION	non-polymer		54.9	8	Chemie (MN)
4	C, A, D, B	CHLORIDE ION	non-polymer		35.5	5	Chemie (CL)
5	C, A, D, B	1,2-ETHANEDIOL	non-polymer		62.1	13	Chemie (EDO)
6	C, A, D, B	ACETATE ION	non-polymer		59.0	4	Chemie (ACT)
7		water	water		18.0	972	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 297 (UniProt: Q2RUN2)

PDB	External Database	Details
Mse -18	-	expression tag
Gly -17	-	expression tag
Ser -16	-	expression tag
Asp -15	-	expression tag
Lys -14	-	expression tag
Ile -13	-	expression tag
His -12	-	expression tag
His -11	-	expression tag
His -10	-	expression tag
His -9	-	expression tag
His -8	-	expression tag
His -7	-	expression tag
Glu -6	-	expression tag
Asn -5	-	expression tag
Leu -4	-	expression tag
Tyr -3	-	expression tag
Phe -2	-	expression tag
Gln -1	-	expression tag
Gly 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	145826.1
Non-Polymers*	Number of molecules	38
	Total formula weight	2106.6
All*	Total formula weight	147932.7

*Water molecules are not included.