4FIO

Crystal Structure of Methenyltetrahydromethanopterin Cyclohydrolase from Methanobrevibacter ruminantium

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 (A, B, C)	Methenyltetrahydromethanopterin cyclohydrolase	polymer	354	37741.9	3	UniProt (D3E4S5) Pfam (PF02289)	Methanobrevibacter ruminantium	Methenyl-H4MPT cyclohydrolase
2	D, F (A, B)	ETHYL ACETATE	non-polymer		88.1	2	Chemie (EEE)
3	E, G, H (A, B)	ISOPROPYL ALCOHOL	non-polymer		60.1	3	Chemie (IPA)
4	I, J, K (A, B, C)	water	water		18.0	1071	Chemie (HOH)

Sequence modifications

A, B, C: 1 - 321 (UniProt: D3E4S5)

PDB	External Database	Details
Met -32	-	initiating methionine
His -31	-	expression tag
His -30	-	expression tag
His -29	-	expression tag
His -28	-	expression tag
His -27	-	expression tag
His -26	-	expression tag
Gly -25	-	expression tag
Lys -24	-	expression tag
Pro -23	-	expression tag
Ile -22	-	expression tag
Pro -21	-	expression tag
Asn -20	-	expression tag
Pro -19	-	expression tag
Leu -18	-	expression tag
Leu -17	-	expression tag
Gly -16	-	expression tag
Leu -15	-	expression tag
Asp -14	-	expression tag
Ser -13	-	expression tag
Thr -12	-	expression tag
Glu -11	-	expression tag
Asn -10	-	expression tag
Leu -9	-	expression tag
Tyr -8	-	expression tag
Phe -7	-	expression tag
Gln -6	-	expression tag
Gly -5	-	expression tag
Ile -4	-	expression tag
Asp -3	-	expression tag
Pro -2	-	expression tag
Phe -1	-	expression tag
Thr 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	113225.6
Non-Polymers*	Number of molecules	5
	Total formula weight	356.5
All*	Total formula weight	113582.1

*Water molecules are not included.