Search
RNA polymerase-2 yeast holoenzyme
A subcomplex that associates with RNA polymerase 2, TFIIH, & TFIIB to form the pol II holoenzyme in yeast.
General
fungus-specific molecule
RNA polymerase-2
Properties
COMPARTMENT: cell nucleus
CELL: Saccharomyces cerevisiae
KINGDOM: plant
DIVISION: EUMYCOPHYTA
SUBUNITS: RNA polymerase-2 L'
MOTIF: Zn finger C2H2-type
SITE: 71-87
EFFECTOR-BOUND: Zn+2
MOTIF: Zn+2-binding site
SITE: 71-71
Zn+2-binding site
SITE: 74-74
Zn+2-binding site
SITE: 81-81
Zn+2-binding site
SITE: 84-84
Zn+2-binding site
SITE: 111-111
Zn+2-binding site
SITE: 114-114
Tyr phosphorylation site {Y145}
Zn+2-binding site
SITE: 154-154
Zn+2-binding site
SITE: 184-184
Mg+2-binding site
SITE: 495-495
Mg+2-binding site
SITE: 497-497
Mg+2-binding site
SITE: 499-499
Bridging helix {833-845}
repeat {1593-1960}
MOTIF: consensus repeat {1593-1960}
SEQUENCE-IS: Y-[ST]-P-[STQ]-[ST]-P-[SRTEVKGN]
Ser phosphorylation site {S1878}
Tyr phosphorylation site {Y1923}
Ser phosphorylation site {S1927}
Thr phosphorylation site {T1933}
Ser phosphorylation site {S1934}
RNA polymerase-2 L
MOTIF: Mg+2-binding site
SITE: 792-792
Zn finger C4-type
SITE: 1119-1140
EFFECTOR-BOUND: Zn+2
MOTIF: Zn+2-binding site
SITE: 1119-1119
Zn+2-binding site
SITE: 1122-1122
Zn+2-binding site
SITE: 1137-1137
Zn+2-binding site
SITE: 1140-1140
SRB subcomplex
transcription factor IIH
transcription factor IIB
MOTIF: Zinc finger
NAME: Zinc finger
SITE: 11-42
EFFECTOR-BOUND: Zn+2
MOTIF: Zn+2-binding site
SITE: 15-15
Zn+2-binding site
SITE: 18-18
Zn+2-binding site
SITE: 34-34
Zn+2-binding site
SITE: 37-37
consensus repeat {124-200}
consensus repeat {218-294}
References
Koleske et al TIBS 20:113 1995
Components
RNA polymerase 2 140 kD subunit (RPB2, RNA polymerase 2 subunit B, RNA polymerase 2 subunit 2, POLR2B)
RNA polymerase 2 largest subunit; RPB1; RNA polymerase 2 subunit A; RNA polymerase 2 subunit B1 (POLR2A)
SRB subcomplex
transcription factor IIB; general transcription factor; S300-II (GTF2B, TF2B, TFIIB)
transcription factor IIH (TFIIH) or BTF2