9E5R

env2 cobalamin riboswitch aptamer domain in complex with ethynyl-N-ethylpropiolamide-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	24651.7	2		marine metagenome
2	C, O (A, B)	ethynyl-N-ethylpropiolamide-cobalamin	non-polymer		1426.5	2	Chemie (A1BEZ)
3	D, P (A, B)	N-methylpropane-1,3-diamine	non-polymer		88.2	2	Chemie (N3D)
4	E, F, G, H, I... (A, B)	MAGNESIUM ION	non-polymer		24.3	18	Chemie (MG)
5	N, Z (A, B)	POTASSIUM ION	non-polymer		39.1	2	Chemie (K)
6	AA, BA (A, B)	water	water		18.0	254	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	49303.4
Non-Polymers*	Number of molecules	24
	Total formula weight	3544.9
All*	Total formula weight	52848.4

*Water molecules are not included.