7C1O

Crystal structure of Aquifex aeolicus Era Y63A bound to GDP.AlF4-

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	GTPase Era	polymer	308	34730.0	1	UniProt (O67800) Pfam (PF01926) Pfam (PF07650)	Aquifex aeolicus (strain VF5)	GTP-BINDING PROTEIN ERA
2	B (A)	TETRAFLUOROALUMINATE ION	non-polymer		103.0	1	Chemie (ALF)
3	C (A)	GUANOSINE-5'-DIPHOSPHATE	non-polymer		443.2	1	Chemie (GDP)
4	D (A)	DI(HYDROXYETHYL)ETHER	non-polymer		106.1	1	Chemie (PEG)
5	E (A)	2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL	non-polymer		122.1	1	Chemie (TRS)
6	F (A)	MAGNESIUM ION	non-polymer		24.3	1	Chemie (MG)
7	G (A)	POTASSIUM ION	non-polymer		39.1	1	Chemie (K)
8	H (A)	water	water		18.0	94	Chemie (HOH)

Sequence modifications

A: 1 - 301 (UniProt: O67800)

PDB	External Database	Details
Gly -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag
Ala 63	Tyr 63	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	34730.0
Non-Polymers*	Number of molecules	6
	Total formula weight	837.8
All*	Total formula weight	35567.8

*Water molecules are not included.