Monday, December 21, 2009

Characteristics of Subunits of Different RNA Polyemerases of Calf Thymus -

RNA Polymerase Subunits and their molecular weights
AIa
MW
SA1
197,000
SA2
126,000
--
--
SA4
44,000
SA5
25,000
  SA6
16,500
AIb
MW
SA1
197,000
SA2
126,000
SA3
51,000
SA5
44,000
SA5
25,000
  SA6
16,500
BI SB1 -- SA2 SB3 SA4 SA5 SB6 (a+b)
MW 14,000   140,000 34,000 25,000 20,000 16,500
BIIa
BIIb
MW
--

--
SB2a
SB2b
180,000
SB3

140,000
SA4

34,000
SA4

25,000
SA5'

20,000
SB6 (a+b)
16,500

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