7E9W

The Crystal Structure of D-psicose-3-epimerase from Biortus.

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 (A, B, C, D)	D-psicose 3-epimerase	polymer	316	35942.3	4	UniProt (B8I944) Pfam (PF01261)	Ruminiclostridium cellulolyticum (strain ATCC 35319 / DSM 5812 / JCM 6584 / H10) (Clostridium cellulolyticum)	DPEase
2	E, I, M, Q (A, B, C, D)	MANGANESE (II) ION	non-polymer		54.9	4	Chemie (MN)
3	F, G, H, J, K... (A, B, C, D)	GLYCEROL	non-polymer		92.1	12	Chemie (GOL)
4	U, V, W, X (A, B, C, D)	water	water		18.0	574	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 293 (UniProt: B8I944)

PDB	External Database	Details
Met -22	-	initiating methionine
Asp -21	-	expression tag
Tyr -20	-	expression tag
Lys -19	-	expression tag
Asp -18	-	expression tag
Asp -17	-	expression tag
Asp -16	-	expression tag
Asp -15	-	expression tag
Lys -14	-	expression tag
His -13	-	expression tag
His -12	-	expression tag
His -11	-	expression tag
His -10	-	expression tag
His -9	-	expression tag
His -8	-	expression tag
Glu -7	-	expression tag
Asn -6	-	expression tag
Leu -5	-	expression tag
Tyr -4	-	expression tag
Phe -3	-	expression tag
Gln -2	-	expression tag
Gly -1	-	expression tag
Gly 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	143769.3
Non-Polymers*	Number of molecules	16
	Total formula weight	1324.9
All*	Total formula weight	145094.2

*Water molecules are not included.