8H3Z

Crystal structure of the effector-binding domain of the LysR-type trasncription factor NtcB from Anabaena PCC 7120

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)	NtcB	polymer	228	25824.9	2	UniProt (Q9L3R4) Pfam (PF03466)	Anabaena
2	AA, C, D, E, F... (B, A)	IODIDE ION	non-polymer		126.9	25	Chemie (IOD)
3	BA, CA (A, B)	water	water		18.0	102	Chemie (HOH)

Sequence modifications

A, B: 1 - 222 (UniProt: Q9L3R4)

PDB	External Database	Details
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	51649.7
Non-Polymers*	Number of molecules	25
	Total formula weight	3172.6
All*	Total formula weight	54822.3

*Water molecules are not included.