4AMQ

A Megaviridae Orfan gene encodes a new nucleotidyl transferase

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	L544	polymer	407	48334.7	1	UniProt (Q5UQA5) Pfam (PF21655) Pfam (PF21657)	ACANTHAMOEBA POLYPHAGA MIMIVIRUS (MIMIVIRUS)
2	B, C (A)	MANGANESE (II) ION	non-polymer		54.9	2	Chemie (MN)
3	D (A)	MAGNESIUM ION	non-polymer		24.3	1	Chemie (MG)
4	E (A)	water	water		18.0	122	Chemie (HOH)

Sequence modifications

A: -1 - 385 (UniProt: Q5UQA5)

PDB	External Database	Details
Ser -21	-	expression tag
Tyr -20	-	expression tag
Tyr -19	-	expression tag
His -18	-	expression tag
His -17	-	expression tag
His -16	-	expression tag
His -15	-	expression tag
His -14	-	expression tag
His -13	-	expression tag
Leu -12	-	expression tag
Glu -11	-	expression tag
Ser -10	-	expression tag
Thr -9	-	expression tag
Ser -8	-	expression tag
Leu -7	-	expression tag
Tyr -6	-	expression tag
Lys -5	-	expression tag
Lys -4	-	expression tag
Ala -3	-	expression tag
Gly -2	-	expression tag
Leu -1	Met 1	SEE REMARK 999

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	48334.7
Non-Polymers*	Number of molecules	3
	Total formula weight	134.2
All*	Total formula weight	48468.9

*Water molecules are not included.