| A [auth 0] | IPR032830 | Helicase XPB/Ssl2, N-terminal domain | Domain |
| A [auth 0] | IPR027417 | P-loop containing nucleoside triphosphate hydrolase | Homologous Superfamily |
| A [auth 0] | IPR006935 | Helicase/UvrB, N-terminal | Domain |
| A [auth 0] | IPR001650 | Helicase, C-terminal domain-like | Domain |
| A [auth 0] | IPR014001 | Helicase superfamily 1/2, ATP-binding domain | Domain |
| A [auth 0] | IPR032438 | ERCC3/RAD25/XPB helicase, C-terminal domain | Domain |
| A [auth 0] | IPR001161 | Helicase XPB/Ssl2 | Family |
| A [auth 0] | IPR050615 | ATP-dependent DNA Helicase | Family |
| C [auth 2] | IPR013876 | TFIIH p62 subunit, N-terminal | Domain |
| C [auth 2] | IPR035925 | BSD domain superfamily | Homologous Superfamily |
| C [auth 2] | IPR027079 | TFIIH subunit Tfb1/GTF2H1 | Family |
| C [auth 2] | IPR011993 | PH-like domain superfamily | Homologous Superfamily |
| C [auth 2] | IPR005607 | BSD domain | Domain |
| D [auth 3] | IPR040662 | Transcription factor Tfb2, C-terminal domain | Domain |
| D [auth 3] | IPR004598 | Transcription factor TFIIH subunit p52/Tfb2 | Family |
| F [auth 5] | IPR004600 | TFIIH subunit Tfb4/GTF2H3 | Family |
| F [auth 5] | IPR036465 | von Willebrand factor A-like domain superfamily | Homologous Superfamily |
| G [auth 6] | IPR009400 | TFIIH subunit TTDA/Tfb5 | Family |
| G [auth 6] | IPR035935 | TFB5-like superfamily | Homologous Superfamily |
| I [auth 8] | IPR017441 | Protein kinase, ATP binding site | Binding Site |
| I [auth 8] | IPR000719 | Protein kinase domain | Domain |
| I [auth 8] | IPR050108 | Cyclin-dependent kinase | Family |
| I [auth 8] | IPR037770 | Cyclin-dependent kinase 7 | Family |
| I [auth 8] | IPR011009 | Protein kinase-like domain superfamily | Homologous Superfamily |
| I [auth 8] | IPR008271 | Serine/threonine-protein kinase, active site | Active Site |
| J [auth 9] | IPR031658 | Cyclin, C-terminal domain 2 | Domain |
| J [auth 9] | IPR006671 | Cyclin, N-terminal | Domain |
| J [auth 9] | IPR027081 | CyclinH/Ccl1 | Family |
| J [auth 9] | IPR036915 | Cyclin-like superfamily | Homologous Superfamily |
| J [auth 9] | IPR043198 | Cyclin/Cyclin-like subunit Ssn8 | Family |
| J [auth 9] | IPR013763 | Cyclin-like domain | Domain |
| L [auth B] | IPR007642 | RNA polymerase Rpb2, domain 2 | Domain |
| L [auth B] | IPR015712 | DNA-directed RNA polymerase, subunit 2 | Family |
| L [auth B] | IPR037033 | DNA-directed RNA polymerase, subunit 2, hybrid-binding domain superfamily | Homologous Superfamily |
| L [auth B] | IPR037034 | RNA polymerase Rpb2, domain 2 superfamily | Homologous Superfamily |
| L [auth B] | IPR007120 | DNA-directed RNA polymerase, subunit 2, hybrid-binding domain | Domain |
| L [auth B] | IPR007121 | RNA polymerase, beta subunit, conserved site | Conserved Site |
| L [auth B] | IPR007645 | RNA polymerase Rpb2, domain 3 | Domain |
| L [auth B] | IPR007646 | RNA polymerase Rpb2, domain 4 | Domain |
| L [auth B] | IPR007647 | RNA polymerase Rpb2, domain 5 | Domain |
| L [auth B] | IPR014724 | RNA polymerase Rpb2, OB-fold | Homologous Superfamily |
| L [auth B] | IPR007644 | RNA polymerase, beta subunit, protrusion | Domain |
| L [auth B] | IPR007641 | RNA polymerase Rpb2, domain 7 | Domain |
| N [auth D] | IPR005574 | RNA polymerase subunit Rpb4/RPC9 | Family |
| N [auth D] | IPR010997 | HRDC-like superfamily | Homologous Superfamily |
| N [auth D] | IPR006590 | RNA polymerase Rpb4/RPC9, core | Domain |
| N [auth D] | IPR038324 | Rpb4/RPC9 superfamily | Homologous Superfamily |
| N [auth D] | IPR045222 | DNA-directed RNA polymerase II subunit Rpb4-like | Family |
| O [auth E] | IPR014381 | DNA-directed RNA polymerase subunit Rpo5/Rpb5 | Family |
| O [auth E] | IPR036710 | RNA polymerase Rpb5, N-terminal domain superfamily | Homologous Superfamily |
| O [auth E] | IPR035913 | RPB5-like RNA polymerase subunit superfamily | Homologous Superfamily |
| O [auth E] | IPR000783 | RNA polymerase, subunit H/Rpb5 C-terminal | Domain |
| O [auth E] | IPR020608 | RNA polymerase, subunit H/Rpb5, conserved site | Conserved Site |
| O [auth E] | IPR005571 | RNA polymerase, Rpb5, N-terminal | Domain |
| Q [auth G] | IPR036898 | RNA polymerase Rpb7-like, N-terminal domain superfamily | Homologous Superfamily |
| Q [auth G] | IPR003029 | S1 domain | Domain |
| Q [auth G] | IPR012340 | Nucleic acid-binding, OB-fold | Homologous Superfamily |
| Q [auth G] | IPR045113 | RNA polymerase subunit Rpb7-like | Family |
| Q [auth G] | IPR005576 | RNA polymerase Rpb7-like , N-terminal | Domain |
| S [auth I] | IPR001529 | DNA-directed RNA polymerase II subunit RPB9-like, zinc ribbon | Domain |
| S [auth I] | IPR012164 | DNA-directed RNA polymerase subunit/transcription factor S | Family |
| S [auth I] | IPR001222 | Zinc finger, TFIIS-type | Domain |
| S [auth I] | IPR034012 | Pol II subunit B9, C-terminal zinc ribbon | Domain |
| S [auth I] | IPR019761 | DNA-directed RNA polymerase M, 15kDa subunit, conserved site | Conserved Site |
| T [auth J] | IPR023580 | RNA polymerase subunit RPB10 | Homologous Superfamily |
| T [auth J] | IPR020789 | RNA polymerases, subunit N, zinc binding site | Binding Site |
| T [auth J] | IPR000268 | DNA-directed RNA polymerase subunit RPABC5/Rpb10 | Family |
| U [auth K] | IPR022905 | DNA-directed RNA polymerase subunit Rpo11-like | Family |
| U [auth K] | IPR009025 | DNA-directed RNA polymerase, RBP11-like dimerisation domain | Domain |
| U [auth K] | IPR036603 | RNA polymerase, RBP11-like subunit | Homologous Superfamily |
| U [auth K] | IPR008193 | DNA-directed RNA polymerase Rpb11, 13-16kDa subunit, conserved site | Conserved Site |
| U [auth K] | IPR037685 | RNA polymerase RBP11 | Family |
| V [auth L] | IPR006591 | RNA polymerase archaeal subunit P/eukaryotic subunit RPABC4 | Family |
| V [auth L] | IPR029040 | RNA polymerase subunit RPABC4/transcription elongation factor Spt4 | Homologous Superfamily |
| V [auth L] | IPR039747 | DNA-directed RNA polymerases I, II, and III subunit RPABC4 | Family |
| W [auth M] | IPR000812 | Transcription factor TFIIB | Family |
| W [auth M] | IPR013137 | Zinc finger, TFIIB-type | Domain |
| W [auth M] | IPR023486 | Transcription factor TFIIB, conserved site | Conserved Site |
| W [auth M] | IPR013150 | Transcription factor TFIIB, cyclin-like domain | Domain |
| W [auth M] | IPR036915 | Cyclin-like superfamily | Homologous Superfamily |
| W [auth M] | IPR013763 | Cyclin-like domain | Domain |
| Y [auth O] | IPR030491 | TATA-box binding protein, conserved site | Conserved Site |
| Y [auth O] | IPR000814 | TATA-box binding protein | Family |
| Y [auth O] | IPR012295 | TBP domain superfamily | Homologous Superfamily |
| Y [auth O] | IPR033710 | TATA-box binding protein, eukaryotic | Family |
| Z [auth Q] | IPR008851 | Transcription initiation factor IIF, alpha subunit | Family |
| Z [auth Q] | IPR036388 | Winged helix-like DNA-binding domain superfamily | Homologous Superfamily |
| Z [auth Q] | IPR036390 | Winged helix DNA-binding domain superfamily | Homologous Superfamily |
| Z [auth Q] | IPR011039 | Transcription Factor IIF, Rap30/Rap74, interaction | Homologous Superfamily |
| AA [auth R] | IPR003196 | Transcription initiation factor IIF, beta subunit | Family |
| AA [auth R] | IPR036388 | Winged helix-like DNA-binding domain superfamily | Homologous Superfamily |
| AA [auth R] | IPR036390 | Winged helix DNA-binding domain superfamily | Homologous Superfamily |
| AA [auth R] | IPR040450 | TFIIF beta subunit, HTH domain | Domain |
| AA [auth R] | IPR040504 | TFIIF, beta subunit, N-terminal | Domain |
| AA [auth R] | IPR011039 | Transcription Factor IIF, Rap30/Rap74, interaction | Homologous Superfamily |
| CA [auth U] | IPR004855 | Transcription factor IIA, alpha/beta subunit | Family |
| CA [auth U] | IPR009088 | Transcription factor IIA, beta-barrel | Homologous Superfamily |
| DA [auth V] | IPR015871 | Transcription initiation factor IIA, gamma subunit, C-terminal | Domain |
| DA [auth V] | IPR015872 | Transcription initiation factor IIA, gamma subunit, N-terminal | Domain |
| DA [auth V] | IPR009083 | Transcription factor IIA, alpha-helical domain | Homologous Superfamily |
| DA [auth V] | IPR009088 | Transcription factor IIA, beta-barrel | Homologous Superfamily |
| DA [auth V] | IPR003194 | Transcription initiation factor IIA, gamma subunit | Family |
| FA [auth X] | IPR036388 | Winged helix-like DNA-binding domain superfamily | Homologous Superfamily |
| FA [auth X] | IPR003166 | Transcription factor TFIIE beta subunit, DNA-binding domain | Domain |
| FA [auth X] | IPR036390 | Winged helix DNA-binding domain superfamily | Homologous Superfamily |
| FA [auth X] | IPR040501 | TFA2, Winged helix domain 2 | Domain |
| FA [auth X] | IPR016656 | Transcription initiation factor TFIIE, beta subunit | Family |
GA [auth a], KA [auth e] | IPR009072 | Histone-fold | Homologous Superfamily |
GA [auth a], KA [auth e] | IPR000164 | Histone H3/CENP-A | Family |
GA [auth a], KA [auth e] | IPR007125 | Core Histone H2A/H2B/H3 domain | Domain |
HA [auth b], LA [auth f] | IPR009072 | Histone-fold | Homologous Superfamily |
HA [auth b], LA [auth f] | IPR001951 | Histone H4 | Family |
HA [auth b], LA [auth f] | IPR035425 | CENP-T/Histone H4, histone fold | Domain |
HA [auth b], LA [auth f] | IPR019809 | Histone H4, conserved site | Conserved Site |
HA [auth b], LA [auth f] | IPR004823 | TATA box binding protein associated factor (TAF), histone-like fold domain | Domain |
IA [auth c], MA [auth g] | IPR009072 | Histone-fold | Homologous Superfamily |
IA [auth c], MA [auth g] | IPR002119 | Histone H2A | Family |
IA [auth c], MA [auth g] | IPR032454 | Histone H2A, C-terminal domain | Domain |
IA [auth c], MA [auth g] | IPR032458 | Histone H2A conserved site | Conserved Site |
IA [auth c], MA [auth g] | IPR007125 | Core Histone H2A/H2B/H3 domain | Domain |
| H [auth 7] | IPR017907 | Zinc finger, RING-type, conserved site | Conserved Site |
| H [auth 7] | IPR004575 | Cdk-activating kinase assembly factor MAT1/Tfb3 | Family |
| H [auth 7] | IPR013083 | Zinc finger, RING/FYVE/PHD-type | Homologous Superfamily |
| H [auth 7] | IPR015877 | MAT1, centre | Domain |
| H [auth 7] | IPR003903 | Ubiquitin interacting motif | Conserved Site |
| H [auth 7] | IPR057657 | MAT1, C-terminal CAK anchor | Domain |
| H [auth 7] | IPR001841 | Zinc finger, RING-type | Domain |
| E [auth 4] | IPR007198 | Ssl1-like | Domain |
| E [auth 4] | IPR012170 | TFIIH subunit Ssl1/p44 | Family |
| E [auth 4] | IPR004595 | TFIIH C1-like domain | Domain |
| E [auth 4] | IPR013087 | Zinc finger C2H2-type | Domain |
| E [auth 4] | IPR036465 | von Willebrand factor A-like domain superfamily | Homologous Superfamily |
| E [auth 4] | IPR013083 | Zinc finger, RING/FYVE/PHD-type | Homologous Superfamily |
| E [auth 4] | IPR002035 | von Willebrand factor, type A | Domain |
| E [auth 4] | IPR046349 | C1-like domain superfamily | Homologous Superfamily |
JA [auth d], NA [auth h] | IPR009072 | Histone-fold | Homologous Superfamily |
JA [auth d], NA [auth h] | IPR000558 | Histone H2B | Family |
JA [auth d], NA [auth h] | IPR007125 | Core Histone H2A/H2B/H3 domain | Domain |
JA [auth d], NA [auth h] | IPR055333 | Histone H2B, conserved site | Conserved Site |
| EA [auth W] | IPR021600 | Transcription factor TFIIE alpha subunit, C-terminal | Domain |
| EA [auth W] | IPR024550 | TFIIEalpha/SarR/Rpc3 HTH domain | Domain |
| EA [auth W] | IPR013083 | Zinc finger, RING/FYVE/PHD-type | Homologous Superfamily |
| EA [auth W] | IPR013137 | Zinc finger, TFIIB-type | Domain |
| EA [auth W] | IPR039997 | Transcription factor E | Family |
| EA [auth W] | IPR017919 | Transcription factor TFE/TFIIEalpha HTH domain | Domain |
| EA [auth W] | IPR002853 | Transcription initiation factor IIE subunit alpha, N-terminal | Domain |
| B [auth 1] | IPR010643 | Helical and beta-bridge domain | Domain |
| B [auth 1] | IPR045028 | Helicase superfamily 1/2, DinG/Rad3-like | Family |
| B [auth 1] | IPR002464 | DNA/RNA helicase, ATP-dependent, DEAH-box type, conserved site | Conserved Site |
| B [auth 1] | IPR027417 | P-loop containing nucleoside triphosphate hydrolase | Homologous Superfamily |
| B [auth 1] | IPR006554 | Helicase-like, DEXD box c2 type | Domain |
| B [auth 1] | IPR006555 | ATP-dependent helicase, C-terminal | Domain |
| B [auth 1] | IPR010614 | RAD3-like helicase, DEAD | Domain |
| B [auth 1] | IPR014013 | Helicase superfamily 1/2, ATP-binding domain, DinG/Rad3-type | Domain |
| B [auth 1] | IPR001945 | RAD3/XPD | Family |
| B [auth 1] | IPR013020 | ATP-dependent helicase Rad3/Chl1-like | Family |
| R [auth H] | IPR012340 | Nucleic acid-binding, OB-fold | Homologous Superfamily |
| R [auth H] | IPR005570 | DNA-directed RNA polymerases I, II, and III subunit RPABC3 | Family |
| P [auth F] | IPR020708 | DNA-directed RNA polymerase, 14-18kDa subunit, conserved site | Conserved Site |
| P [auth F] | IPR028363 | DNA-directed RNA polymerase, subunit RPB6 | Family |
| P [auth F] | IPR006110 | RNA polymerase, subunit omega/Rpo6/RPB6 | Family |
| P [auth F] | IPR036161 | RPB6/omega subunit-like superfamily | Homologous Superfamily |
| P [auth F] | IPR006111 | Archaeal Rpo6/eukaryotic RPB6 RNA polymerase subunit | Family |
| M [auth C] | IPR011262 | DNA-directed RNA polymerase, insert domain | Domain |
| M [auth C] | IPR011263 | DNA-directed RNA polymerase, RpoA/D/Rpb3-type | Domain |
| M [auth C] | IPR022842 | DNA-directed RNA polymerase subunit Rpo3/Rpb3/RPAC1 | Family |
| M [auth C] | IPR036643 | DNA-directed RNA polymerase, insert domain superfamily | Homologous Superfamily |
| M [auth C] | IPR001514 | DNA-directed RNA polymerase, 30-40kDa subunit, conserved site | Conserved Site |
| M [auth C] | IPR036603 | RNA polymerase, RBP11-like subunit | Homologous Superfamily |
| M [auth C] | IPR050518 | Rpo3/RPB3_RNA_Pol_subunit | Unknown |
| K [auth A] | IPR007066 | RNA polymerase Rpb1, domain 3 | Domain |
| K [auth A] | IPR007081 | RNA polymerase Rpb1, domain 5 | Domain |
| K [auth A] | IPR007073 | RNA polymerase Rpb1, domain 7 | Domain |
| K [auth A] | IPR045867 | DNA-directed RNA polymerase, subunit beta-prime | Family |
| K [auth A] | IPR042102 | RNA polymerase Rpb1, domain 3 superfamily | Homologous Superfamily |
| K [auth A] | IPR007075 | RNA polymerase Rpb1, domain 6 | Domain |
| K [auth A] | IPR000684 | RNA polymerase II, heptapeptide repeat, eukaryotic | Repeat |
| K [auth A] | IPR007083 | RNA polymerase Rpb1, domain 4 | Domain |
| K [auth A] | IPR038593 | RNA polymerase Rpb1, domain 7 superfamily | Homologous Superfamily |
| K [auth A] | IPR000722 | RNA polymerase, alpha subunit | Domain |
| K [auth A] | IPR044893 | RNA polymerase Rpb1, clamp domain superfamily | Homologous Superfamily |
| K [auth A] | IPR038120 | RNA polymerase Rpb1, funnel domain superfamily | Homologous Superfamily |
| K [auth A] | IPR006592 | RNA polymerase, N-terminal | Domain |
| K [auth A] | IPR007080 | RNA polymerase Rpb1, domain 1 | Domain |