4P77

Structure of ribB complexed with substrate Ru5P

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	3,4-dihydroxy-2-butanone 4-phosphate synthase	polymer	237	25674.2	2	UniProt (Q9KKP2) Pfam (PF00926) In PDB	Vibrio cholerae serotype O1	DHBP synthase
2	A, B	RIBULOSE-5-PHOSPHATE	non-polymer		230.1	2	Chemie (5RP)
3	A	GLYCEROL	non-polymer		92.1	1	Chemie (GOL)
4		water	water		18.0	284	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	3
	Total formula weight	552.3
All*	Total formula weight	51900.8

*Water molecules are not included.