1SXI

Structure of apo transcription regulator B. megaterium

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D, E... (A, D, B, I, R...)	Glucose-resistance amylase regulator	polymer	280	31367.3	12	UniProt (P46828) Pfam (PF13377)	Bacillus megaterium	Catabolite control protein; ccpa
2	M, N (T)	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
3	O, P, Q (A, D, T)	water	water		18.0	5	Chemie (HOH)

Sequence modifications

A, D, B, I, R, T, L, K, W, G, N, M: 53 - 332 (UniProt: P46828)

PDB	External Database	Details
Mse 88	Met 88	modified residue
Mse 112	Met 112	modified residue
Mse 123	Met 123	modified residue
Mse 250	Met 250	modified residue
Mse 282	Met 282	modified residue
Mse 294	Met 294	modified residue
Mse 302	Met 302	modified residue
Mse 309	Met 309	modified residue

Contents of the asymmetric unit

Polymers	Number of chains	12
	Total formula weight	376407.3
Non-Polymers*	Number of molecules	2
	Total formula weight	48.6
All*	Total formula weight	376455.9

*Water molecules are not included.