2QM7

MeaB, A Bacterial Homolog of MMAA, Bound to GDP

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)	GTPase/ATPase	polymer	337	35597.5	2	UniProt (Q8RPA0) Pfam (PF03308)	Methylobacterium extorquens
2	C, D (A)	PHOSPHATE ION	non-polymer		95.0	2	Chemie (PO4)
3	E, F (A, B)	GUANOSINE-5'-DIPHOSPHATE	non-polymer		443.2	2	Chemie (GDP)
4	G, H (A, B)	water	water		18.0	454	Chemie (HOH)

Sequence modifications

A, B: 1 - 329 (UniProt: Q8RPA0)

PDB	External Database	Details
Phe 192	Leu 192	engineered mutation
His 224	Arg 224	engineered mutation
Asp 257	Gly 257	engineered mutation
Leu 330	-	expression tag
Glu 331	-	expression tag
His 332	-	expression tag
His 333	-	expression tag
His 334	-	expression tag
His 335	-	expression tag
His 336	-	expression tag
His 337	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	71195.0
Non-Polymers*	Number of molecules	4
	Total formula weight	1076.3
All*	Total formula weight	72271.4

*Water molecules are not included.