4P8E

Structure of ribB complexed with substrate (Ru5P) and metal ions

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)	3,4-dihydroxy-2-butanone 4-phosphate synthase	polymer	237	25674.2	2	UniProt (Q9KKP2) Pfam (PF00926)	Vibrio cholerae serotype O1	DHBP synthase
2	C, H (A, B)	RIBULOSE-5-PHOSPHATE	non-polymer		230.1	2	Chemie (5RP)
3	D, E, I, J, K... (A, B)	ZINC ION	non-polymer		65.4	10	Chemie (ZN)
4	F, G, Q, R, S... (A, B)	1,2-ETHANEDIOL	non-polymer		62.1	8	Chemie (EDO)
5	W, X (A, B)	water	water		18.0	277	Chemie (HOH)

Sequence modifications

A, B: 1 - 218 (UniProt: Q9KKP2)

PDB	External Database	Details
Met -18	-	initiating methionine
Gly -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	2
	Total formula weight	51348.5
Non-Polymers*	Number of molecules	20
	Total formula weight	1610.9
All*	Total formula weight	52959.3

*Water molecules are not included.