Structure of PDB 2e2i Chain A

Receptor sequence
>2e2iA (length=1411) Species: 4932 (Saccharomyces cerevisiae) [Search protein sequence]
GQQYSSAPLRTVKEVQFGLFSPEEVRAISVAKIRFPETMDETQTRAKIGG
LNDPRLGSIDRNLKCQTCQEGMNECPGHFGHIDLAKPVFHVGFIAKIKKV
CECVCMHCGKLLLDEHNELMRQALAIKDSKKRFAAIWTLCKTKMVCETDV
PSEDDPTQLVSRGGCGNTQPTIRKDGLKLVGSWKKDRATELRVLSTEEIL
NIFKHISVKDFTSLGFNEVFSRPEWMILTCLPVPPPPVRPSISFNESQRG
EDDLTFKLADILKANISLETLEHNGAPHHAIEEAESLLQFHVATYMDNDI
AGQPQALQKSGRPVKSIRARLKGKEGRIRGNLMGKRVDFSARTVISGDPN
LELDQVGVPKSIAKTLTYPEVVTPYNIDRLTQLVRNGPNEHPGAKYVIRD
SGDRIDLRYSKRAGDIQLQYGWKVERHIMDNDPVLFNRQPSLHKMSMMAH
RVKVIPYSTFRLNLSVTSPYNADFDGDEMNLHVPQSEETRAELSQLCAVP
LQIVSPQSNKPCMGIVQDTLCGIRKLTLRDTFIELDQVLNMLYWVPDWDG
VIPTPAIIKPKPLWSGKQILSVAIPNGIHLQRFDEGTTLLSPKDNGMLII
DGQIIFGVVEKKTVGSSNGGLIHVVTREKGPQVCAKLFGNIQKVVNFWLL
HNGFSTGIGDTIADGPTMREITETIAEAKKKVLDVTKEAQANLLTAKHGM
TLRESFEDNVVRFLNEARDKAGRLAEVNLKDLNNVKQMVMAGSKGSFINI
AQMSACVGQQSVEGKRIAFGFVDRTLPHFSKDDYSPESKGFVENSYLRGL
TPQEFFFHAMGGREGLIDTAVKTAETGYIQRRLVKALEDIMVHYDNTTRN
SLGNVIQFIYGEDGMDAAHIEKQSLDTIGGSDAAFEKRYRVDLLNTDHTL
DPSLLESGSEILGDLKLQVLLDEEYKQLVKDRKFLREVFVDGEANWPLPV
NIRRIIQNAQQTFHIDHTKPSDLTIKDIVLGVKDLQENLLVLRGKNEIIQ
NAQRDAVTLFCCLLRSRLATRRVLQEYRLTKQAFDWVLSNIEAQFLRSVV
HPGEMVGVLAAQSIGEPATQMTLKKVTSGVPRLKEILNVAKNMKTPSLTV
YLEPGHAADQEQAKLIRSAIEHTTLKSVTIASEIYYDPDPRSTVIPEDEE
IIQLHFSLQQSPWLLRLELDRAAMNDKDLTMGQVGERIKQTFKNDLFVIW
SEDNDEKLIIRCRVVAEEDHMLKKIENTMLENITLRGVENIERVVMMKYD
RKVPSPTGEYVKEPEWVLETDGVNLSEVMTVPGIDPTRIYTNSFIDIMEV
LGIEAGRAALYKEVYNVIASDGSYVNYRHMALLVDVMTTQGGLTSVTRHG
FNRSNTGALMRCSFEETVEILFEAGASAELDDCRGVSENVILGQMAPIGT
GAFDVMIDEES
3D structure
PDB2e2i Structural basis of transcription: role of the trigger loop in substrate specificity and catalysis
ChainA
Resolution3.41 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) D481 D483 D485
Catalytic site (residue number reindexed from 1) D473 D475 D477
Enzyme Commision number 2.7.7.6: DNA-directed RNA polymerase.
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 rna A S251 F252 D483 D485 S243 F244 D475 D477
BS02 dna A F252 G258 K317 K332 R337 R344 Q447 T831 A832 Y836 R1386 E1403 F244 G250 K309 K324 R329 R336 Q439 T823 A824 Y828 R1348 E1365
BS03 dna A K1102 H1387 K1084 H1349
BS04 ZN A C110 C167 C108 C165
BS05 ZN A C67 C77 H80 C65 C75 H78
BS06 MG A D481 D483 D473 D475
Gene Ontology
Molecular Function
GO:0001055 RNA polymerase II activity
GO:0003677 DNA binding
GO:0003899 DNA-directed 5'-3' RNA polymerase activity
GO:0003968 RNA-dependent RNA polymerase activity
GO:0005515 protein binding
GO:0008270 zinc ion binding
GO:0016779 nucleotidyltransferase activity
GO:0034062 5'-3' RNA polymerase activity
GO:0046872 metal ion binding
Biological Process
GO:0001172 RNA-templated transcription
GO:0006351 DNA-templated transcription
GO:0006366 transcription by RNA polymerase II
GO:0006367 transcription initiation at RNA polymerase II promoter
GO:0006368 transcription elongation by RNA polymerase II
GO:0019985 translesion synthesis
Cellular Component
GO:0000428 DNA-directed RNA polymerase complex
GO:0005634 nucleus
GO:0005665 RNA polymerase II, core complex
GO:0005739 mitochondrion
GO:0010494 cytoplasmic stress granule

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:2e2i, PDBe:2e2i, PDBj:2e2i
PDBsum2e2i
PubMed17129781
UniProtP04050|RPB1_YEAST DNA-directed RNA polymerase II subunit RPB1 (Gene Name=RPO21)

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