3AGP

Structure of viral polymerase form I

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Elongation factor Ts, Elongation factor Tu, LINKER, Q beta replicase	polymer	1289	141417.7	1	UniProt (P0A6P3) UniProt (P0A6N3) UniProt (Q8LTE0) Pfam (PF00889) Pfam (PF00009) Pfam (PF03144) Pfam (PF03143) Pfam (PF03431) UniProt (by SIFTS) (P14647)	Escherichia coli O157:H7
2	B (A)	CALCIUM ION	non-polymer		40.1	1	Chemie (CA)
3	C (A)	water	water		18.0	36	Chemie (HOH)

Sequence modifications

A: 1 - 283 (UniProt: P0A6P3)

PDB	External Database	Details
His 284	-	linker

A: 285 - 678 (UniProt: P0A6N3)
A: 679 - 694 (PDB: 3AGP)
A: 695 - 1283 (UniProt: Q8LTE0)

PDB	External Database	Details
His 1284	-	expression tag
His 1285	-	expression tag
His 1286	-	expression tag
His 1287	-	expression tag
His 1288	-	expression tag
His 1289	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	141417.7
Non-Polymers*	Number of molecules	1
	Total formula weight	40.1
All*	Total formula weight	141457.8

*Water molecules are not included.