2BH2

Crystal Structure of E. coli 5-methyluridine methyltransferase RumA in complex with ribosomal RNA substrate and S-adenosylhomocysteine.

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	23S RRNA (URACIL-5-)-METHYLTRANSFERASE RUMA	polymer	433	48114.1	2	UniProt (P55135) Pfam (PF01938) Pfam (PF05958)	ESCHERICHIA COLI	23S RRNA(M-5-U1939)-METHYLTRANSFERASE, 23S RRNA URACIL-5-METHYLTRANSFERASE RUMA
2	C, D (C, D)	23S RIBOSOMAL RNA 1932-1968	polymer	37	11882.1	2		ESCHERICHIA COLI
3	E, G (A, B)	S-ADENOSYL-L-HOMOCYSTEINE	non-polymer		384.4	2	Chemie (SAH) PubChem (16760024) PubChem (193) PubChem (25210495) PubChem (13792) PubChem (177678424) PubChem (44361184) PubChem (21125603) PubChem (46936206) PubChem (50989525) PubChem (25203782) PubChem (51380914) PubChem (52224398) PubChem (189149) PubChem (57544532) PubChem (439155) PubChem (59046843) PubChem (59170628) PubChem (59576228) PubChem (66805708) PubChem (70689219) PubChem (70702054) PubChem (70832431) PubChem (52224400) PubChem (5284331) PubChem (6419189) PubChem (118374891) PubChem (118560068) PubChem (71170554) PubChem (13231890) PubChem (164157219) PubChem (126969526) PubChem (129105892) PubChem (143518505) PubChem (154578335) PubChem (163054214) PubChem (163335525)
4	F, H (A, B)	IRON/SULFUR CLUSTER	non-polymer		351.6	2	Chemie (SF4)
5	I, J, K, L (A, B, C, D)	water	water		18.0	340	Chemie (HOH)

Sequence modifications

A, B: 1 - 1 (PDB: 2BH2)
A, B: 2 - 433 (UniProt: P55135)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	119992.5
Non-Polymers*	Number of molecules	4
	Total formula weight	1472.1
All*	Total formula weight	121464.6

*Water molecules are not included.