3A5Z

Crystal structure of Escherichia coli GenX in complex with elongation factor P

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C, E, G (A, C, E, G)	Putative lysyl-tRNA synthetase	polymer	328	37299.3	4	UniProt (C3SGA2) Pfam (PF00152) UniProt (by SIFTS) (P0A8N7)	Escherichia coli	GenX
2	B, D, F, H (B, D, F, H)	Elongation factor P	polymer	191	20894.5	4	UniProt (C3SGD7) Pfam (PF08207) Pfam (PF01132) Pfam (PF09285) UniProt (by SIFTS) (P0A6N4)	Escherichia coli	EF-P
3	I, J, K, L (A, C, E, G)	5'-O-[(L-LYSYLAMINO)SULFONYL]ADENOSINE	non-polymer		474.5	4	Chemie (KAA)
4	M, N, O, P, Q... (A, B, C, D, E...)	water	water		18.0	229	Chemie (HOH)

Sequence modifications

A, C, E, G: 1 - 325 (UniProt: C3SGA2)

PDB	External Database	Details
Gly -2	-	expression tag
Ser -1	-	expression tag
His 0	-	expression tag

B, D, F, H: 1 - 188 (UniProt: C3SGD7)

PDB	External Database	Details
Gly -2	-	expression tag
Ser -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	8
	Total formula weight	232775.2
Non-Polymers*	Number of molecules	4
	Total formula weight	1898.0
All*	Total formula weight	234673.2

*Water molecules are not included.