9E5O

env2 cobalamin riboswitch aptamer domain in complex with ethynyl-pyrene-cobalamin

This is a non-PDB format compatible entry.

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)	RNA (76-MER)	polymer	76	24731.7	2		marine metagenome
2	C, P (A, B)	ethynyl-pyrene-cobalamin	non-polymer		1555.6	2	Chemie (A1BEW)
3	D, Q (A, B)	N-methylpropane-1,3-diamine	non-polymer		88.2	2	Chemie (N3D)
4	E, R (A, B)	2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL	non-polymer		122.1	2	Chemie (TRS)
5	AA, BA, F, G, H... (B, A)	MAGNESIUM ION	non-polymer		24.3	19	Chemie (MG)
6	CA, O (B, A)	POTASSIUM ION	non-polymer		39.1	2	Chemie (K)
7	DA, EA (A, B)	water	water		18.0	564	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	49463.4
Non-Polymers*	Number of molecules	27
	Total formula weight	4071.8
All*	Total formula weight	53535.2

*Water molecules are not included.