4RL4

Crystal structure of GTP cyclohydrolase II from Helicobacter pylori 26695

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)	GTP cyclohydrolase-2	polymer	212	24101.5	2	UniProt (O08315) Pfam (PF00925)	Helicobacter pylori	GTP cyclohydrolase II
2	C, D (A, B)	PYROPHOSPHATE	non-polymer		178.0	2	Chemie (PPV)
3	E, F (A, B)	water	water		18.0	87	Chemie (HOH)

Sequence modifications

A, B: 1 - 192 (UniProt: O08315)

PDB	External Database	Details
Met -19	-	expression tag
Gly -18	-	expression tag
Ser -17	-	expression tag
Ser -16	-	expression tag
His -15	-	expression tag
His -14	-	expression tag
His -13	-	expression tag
His -12	-	expression tag
His -11	-	expression tag
His -10	-	expression tag
Ser -9	-	expression tag
Ser -8	-	expression tag
Glu -7	-	expression tag
Asn -6	-	expression tag
Leu -5	-	expression tag
Tyr -4	-	expression tag
Phe -3	-	expression tag
Gln -2	-	expression tag
Gly -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	48203.0
Non-Polymers*	Number of molecules	2
	Total formula weight	355.9
All*	Total formula weight	48558.9

*Water molecules are not included.