8H2N

gp96 RNA polymerase from P23-45 phage (crystal 2)

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, D	Tape tail measure protein	polymer	821	92048.1	4	UniProt (A7XXD0) In PDB	Thermus virus P23-45 (Thermus thermophilus phage P23-45)
2	A, B, C, D	MAGNESIUM ION	non-polymer		24.3	4	Chemie (MG)

Sequence modifications

A, B, C, D: 327 - 1124 (UniProt: A7XXD0)

PDB	External Database	Details
Mse 304	-	initiating methionine
Ala 305	-	expression tag
His 306	-	expression tag
His 307	-	expression tag
His 308	-	expression tag
His 309	-	expression tag
His 310	-	expression tag
His 311	-	expression tag
Ser 312	-	expression tag
Ala 313	-	expression tag
Ala 314	-	expression tag
Leu 315	-	expression tag
Glu 316	-	expression tag
Val 317	-	expression tag
Leu 318	-	expression tag
Phe 319	-	expression tag
Gln 320	-	expression tag
Gly 321	-	expression tag
Pro 322	-	expression tag
Gly 323	-	expression tag
Arg 324	-	expression tag
Asn 325	-	expression tag
Asn 326	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	368192.2
Non-Polymers*	Number of molecules	4
	Total formula weight	97.2
All*	Total formula weight	368289.5

*Water molecules are not included.