1U3G

Structural and Functional Characterization of a 5,10-Methenyltetrahydrofolate Synthetase from Mycoplasma pneumoniae (GI: 13508087)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	5,10-Methenyltetrahydrofolate Synthetase	polymer	189	22274.5	1	UniProt (P75430) Pfam (PF01812) In PDB	Mycoplasma pneumoniae	H91_orf164, Hypothetical protein MG245 homolog
2	A	PHOSPHATE ION	non-polymer		95.0	1	Chemie (PO4)
3	A	MAGNESIUM ION	non-polymer		24.3	1	Chemie (MG)
4	A	ADENOSINE-5'-DIPHOSPHATE	non-polymer		427.2	1	Chemie (ADP)
5	A	5-HYDROXYMETHYLENE-6-HYDROFOLIC ACID	non-polymer		473.4	1	Chemie (THF)
6		water	water		18.0	81	Chemie (HOH)

Sequence modifications

A: 1 - 164 (UniProt: P75430)

PDB	External Database	Details
Met -24	-	cloning artifact
Gly -23	-	cloning artifact
Ser -22	-	cloning artifact
Ser -21	-	cloning artifact
His -20	-	cloning artifact
His -19	-	cloning artifact
His -18	-	cloning artifact
His -17	-	cloning artifact
His -16	-	cloning artifact
His -15	-	cloning artifact
Asp -14	-	cloning artifact
Tyr -13	-	cloning artifact
Asp -12	-	cloning artifact
Ile -11	-	cloning artifact
Pro -10	-	cloning artifact
Thr -9	-	cloning artifact
Thr -8	-	cloning artifact
Glu -7	-	cloning artifact
Asn -6	-	cloning artifact
Leu -5	-	cloning artifact
Tyr -4	-	cloning artifact
Phe -3	-	cloning artifact
Gln -2	-	cloning artifact
Gly -1	-	cloning artifact
His 0	-	cloning artifact

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	22274.5
Non-Polymers*	Number of molecules	4
	Total formula weight	1019.9
All*	Total formula weight	23294.4

*Water molecules are not included.