4ACB

CRYSTAL STRUCTURE OF TRANSLATION ELONGATION FACTOR SELB FROM METHANOCOCCUS MARIPALUDIS IN COMPLEX WITH THE GTP ANALOGUE GPPNHP

Replaces:  1WB3

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	TRANSLATION ELONGATION FACTOR SELB	polymer	482	54146.5	4	UniProt (Q8J307) Pfam (PF00009) Pfam (PF03144) Pfam (PF21440) In PDB	METHANOCOCCUS MARIPALUDIS	MJ0495-LIKE PROTEIN
2	A	PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER	non-polymer		522.2	1	Chemie (GNP)
3	A, B	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
4	B	GUANOSINE-5'-DIPHOSPHATE	non-polymer		443.2	1	Chemie (GDP)
5	B, C	SULFATE ION	non-polymer		96.1	6	Chemie (SO4)
6	B, C	(3ALPHA,5BETA,12ALPHA)-3,12-DIHYDROXYCHOLAN-24-OIC ACID	non-polymer		392.6	7	Chemie (DXC)
7	B	GUANOSINE-5'-MONOPHOSPHATE	non-polymer		363.2	1	Chemie (5GP)
8		water	water		18.0	6	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 468 (UniProt: Q8J307)

PDB	External Database	Details
Met -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
Ser -6	-	expression tag
Ile -5	-	expression tag
Glu -4	-	expression tag
Gly -3	-	expression tag
Arg -2	-	expression tag
Pro -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	216586.0
Non-Polymers*	Number of molecules	18
	Total formula weight	4701.6
All*	Total formula weight	221287.6

*Water molecules are not included.