3R9X

Crystal structure of Era in complex with MgGDPNP, nucleotides 1506-1542 of 16S ribosomal RNA, and KsgA

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	GTPase Era	polymer	307	34765.0	1	UniProt (O67800) Pfam (PF01926) Pfam (PF07650)	Aquifex aeolicus
2	B (B)	Ribosomal RNA small subunit methyltransferase A	polymer	248	28397.3	1	UniProt (O67680) Pfam (PF00398)	Aquifex aeolicus	16S rRNA (adenine(1518)-N(6)/adenine(1519)-N(6))-dimethyltransferase, 16S rRNA dimethyladenosine transferase, 16S rRNA dimethylase, S-adenosylmethionine-6-N', N'-adenosyl(rRNA) dimethyltransferase
3	C (C)	RNA301	polymer	35	11211.7	1
4	D (A)	MAGNESIUM ION	non-polymer		24.3	1	Chemie (MG)
5	E (A)	PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER	non-polymer		522.2	1	Chemie (GNP)
6	F, G (A)	(4R)-2-METHYLPENTANE-2,4-DIOL	non-polymer		118.2	2	Chemie (MRD)
7	H, I (B)	ACETATE ION	non-polymer		59.0	2	Chemie (ACT)
8	J, K, L (A, B, C)	water	water		18.0	83	Chemie (HOH)

Sequence modifications

A: 1 - 301 (UniProt: O67800)

PDB	External Database	Details
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	74374.0
Non-Polymers*	Number of molecules	6
	Total formula weight	900.9
All*	Total formula weight	75274.9

*Water molecules are not included.