6PC0

Crystal structure of Helicobacter pylori PPX/GppA

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)	Guanosine pentaphosphate phosphohydrolase	polymer	495	55655.5	2	UniProt (B5ZA44) Pfam (PF02541) Pfam (PF21447)	Helicobacter pylori (strain G27)
2	AA, BA, C, D, E... (B, A)	SULFATE ION	non-polymer		96.1	22	Chemie (SO4)
3	CA, DA, EA, FA, GA... (B, A)	1,2-ETHANEDIOL	non-polymer		62.1	9	Chemie (EDO)
4	P, Q (A)	D-MALATE	non-polymer		134.1	2	Chemie (MLT)
5	JA, KA (B)	(2S)-2-hydroxybutanedioic acid	non-polymer		134.1	2	Chemie (LMR)
6	LA, MA (A, B)	water	water		18.0	672	Chemie (HOH)

Sequence modifications

A, B: 2 - 484 (UniProt: B5ZA44)

PDB	External Database	Details
Met -10	-	initiating methionine
Arg -9	-	expression tag
Gly -8	-	expression tag
Ser -7	-	expression tag
His -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
Gly 0	-	expression tag
Ser 1	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	111311.1
Non-Polymers*	Number of molecules	35
	Total formula weight	3208.3
All*	Total formula weight	114519.4

*Water molecules are not included.