8C73

Dark state 1.8 Angstrom crystal structure of cobalamin binding domain belonging to a light-dependent transcription regulator TtCarH obtained under aerobic condition form ll

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) Pfam (PF02607) UniProt (by SIFTS) (Q53W62)	Thermus thermophilus
2	E, H, J, L (A, B, C, D)	5'-DEOXYADENOSINE	non-polymer		251.2	4	Chemie (5AD)
3	F, G, I, K (A, B, C, D)	COBALAMIN	non-polymer		1330.4	4	Chemie (B12)
4	M, N, O, P (A, B, C, D)	water	water		18.0	914	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	8
	Total formula weight	6326.4
All*	Total formula weight	99365.6

*Water molecules are not included.