3GLB

Crystal structure of the effector binding domain of a CATM variant (R156H)

Replaces:  2H9Q

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)	HTH-type transcriptional regulator catM	polymer	225	25336.5	4	UniProt (P07774) Pfam (PF03466)	Acinetobacter sp.	Cat operon transcriptional regulator
2	E, G, L, N (A, B, C, D)	(2Z,4Z)-HEXA-2,4-DIENEDIOIC ACID	non-polymer		142.1	4	Chemie (CCU)
3	F, K, M, O, P (A, B, C, D)	GLYCEROL	non-polymer		92.1	5	Chemie (GOL)
4	H, I, J (B)	SULFATE ION	non-polymer		96.1	3	Chemie (SO4)
5	Q, R, S, T (A, B, C, D)	water	water		18.0	246	Chemie (HOH)

Sequence modifications

A, B, C, D: 89 - 303 (UniProt: P07774)

PDB	External Database	Details
His 156	Arg 156	engineered mutation
Ser 304	-	expression tag
Ile 305	-	expression tag
Leu 306	-	expression tag
Glu 307	-	expression tag
His 308	-	expression tag
His 309	-	expression tag
His 310	-	expression tag
His 311	-	expression tag
His 312	-	expression tag
His 313	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	101346.1
Non-Polymers*	Number of molecules	12
	Total formula weight	1317.1
All*	Total formula weight	102663.2

*Water molecules are not included.