8C32

Dark state 2.2 Angstrom crystal structure of cobalamin binding domain belonging to a light-dependent transcription regulator TtCarH obtained under anaerobic condition

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	Probable transcriptional regulator	polymer	215	23259.8	4	UniProt (Q746J7) Pfam (PF02607) In PDB	Thermus thermophilus HB27
2	A	BROMIDE ION	non-polymer		79.9	1	Chemie (BR)
3	A, B, C, D	COBALAMIN	non-polymer		1330.4	4	Chemie (B12)
4	A, B, C, D	5'-DEOXYADENOSINE	non-polymer		251.2	4	Chemie (5AD)
5		water	water		18.0	387	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	9
	Total formula weight	6406.3
All*	Total formula weight	99445.5

*Water molecules are not included.