4RDH

Crystal structure of E. coli tRNA N6-threonylcarbamoyladenosine dehydratase, TcdA

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)	tRNA threonylcarbamoyladenosine dehydratase	polymer	288	31236.3	4	UniProt (Q46927) Pfam (PF00899)	Escherichia coli	t(6)A37 dehydratase
2	E, G, I, L (A, B, C, D)	ADENOSINE MONOPHOSPHATE	non-polymer		347.2	4	Chemie (AMP)
3	F, H, J, M (A, B, C, D)	GLYCEROL	non-polymer		92.1	4	Chemie (GOL)
4	K (C)	SULFATE ION	non-polymer		96.1	1	Chemie (SO4)
5	N, O, P, Q (A, B, C, D)	water	water		18.0	426	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 268 (UniProt: Q46927)

PDB	External Database	Details
Mse -19	-	expression tag
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	4
	Total formula weight	124945.3
Non-Polymers*	Number of molecules	9
	Total formula weight	1853.3
All*	Total formula weight	126798.6

*Water molecules are not included.