7TOM

X-ray crystal structure of glycerol dibiphytanyl glycerol tetraether - macrocyclic archaeol synthase (GDGT-MAS) from Methanocaldococcus jannaschii with bacterial lipid substrate analog, 5'deoxyadenosine, and methionine bound

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	glycerol dibiphytanyl glycerol tetraether - macrocyclic archaeol synthase	polymer	526	59735.1	1	UniProt (Q58036) Pfam (PF13353) Pfam (PF04055)	Methanocaldococcus jannaschii	7,8-dihydro-6-hydroxymethylpterin dimethyltransferase, 6-hydroxymethyl-H(2)pterin dimethyltransferase
2	B (A)	FE (III) ION	non-polymer		55.8	1	Chemie (FE)
3	C, D, E (A)	IRON/SULFUR CLUSTER	non-polymer		351.6	3	Chemie (SF4)
4	F (A)	5'-DEOXYADENOSINE	non-polymer		251.2	1	Chemie (5AD)
5	G (A)	METHIONINE	non-polymer		149.2	1	Chemie (MET)
6	H (A)	THIOCYANATE ION	non-polymer		58.1	1	Chemie (SCN)
7	I, J (A)	2-(HEXADECANOYLOXY)-1-[(PHOSPHONOOXY)METHYL]ETHYL HEXADECANOATE	non-polymer		648.9	2	Chemie (LPP)
8	K (A)	water	water		18.0	392	Chemie (HOH)

Sequence modifications

A: 1 - 506 (UniProt: Q58036)

PDB	External Database	Details
Met -19	-	initiating methionine
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
Gly -7	-	expression tag
Leu -6	-	expression tag
Val -5	-	expression tag
Pro -4	-	expression tag
Arg -3	-	expression tag
Gly -2	-	expression tag
Ser -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	59735.1
Non-Polymers*	Number of molecules	9
	Total formula weight	2867.1
All*	Total formula weight	62602.2

*Water molecules are not included.