8C33

Anaerobic light exposed 2.25 Angstrom crystal structure of cobalamin binding domain belonging to a light-dependent transcription regulator TtCarH

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 (A, B, C, D)	Probable transcriptional regulator	polymer	215	23259.8	4	UniProt (Q746J7)	Thermus thermophilus HB27
2	E, F, H, I (A, B, C, D)	COBALAMIN	non-polymer		1330.4	4	Chemie (B12)
3	G (B)	BROMIDE ION	non-polymer		79.9	1	Chemie (BR)
4	J, K, L, M (A, B, C, D)	water	water		18.0	334	Chemie (HOH)

Sequence modifications

A, B, C, D: 78 - 285 (UniProt: Q746J7)

PDB	External Database	Details
Gly 286	-	expression tag
His 287	-	expression tag
His 288	-	expression tag
His 289	-	expression tag
His 290	-	expression tag
His 291	-	expression tag
His 292	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	93039.2
Non-Polymers*	Number of molecules	5
	Total formula weight	5401.3
All*	Total formula weight	98440.5

*Water molecules are not included.