Structure of PDB 4a3b Chain A Binding Site BS03

Receptor Information
>4a3b Chain A (length=1422) Species: 4932 (Saccharomyces cerevisiae) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
GQQYSSAPLRTVKEVQFGLFSPEEVRAISVAKIRFPETMDETQTRAKIGG
LNDPRLGSIDRNLKCQTCQEGMNECPGHFGHIDLAKPVFHVGFIAKIKKV
CECVCMHCGKLLLDEHNELMRQALAIKDSKKRFAAIWTLCKTKMVCETDV
PSEDDPTQLVSRGGCGNTQPTIRKDGLKLVGSWKKDRATGDADEPELRVL
STEEILNIFKHISVKDFTSLGFNEVFSRPEWMILTCLPVPPPPVRPSISF
NESQRGEDDLTFKLADILKANISLETLEHNGAPHHAIEEAESLLQFHVAT
YMDNDIAGQPQALQKSGRPVKSIRARLKGKEGRIRGNLMGKRVDFSARTV
ISGDPNLELDQVGVPKSIAKTLTYPEVVTPYNIDRLTQLVRNGPNEHPGA
KYVIRDSGDRIDLRYSKRAGDIQLQYGWKVERHIMDNDPVLFNRQPSLHK
MSMMAHRVKVIPYSTFRLNLSVTSPYNADFDGDEMNLHVPQSEETRAELS
QLCAVPLQIVSPQSNKPCMGIVQDTLCGIRKLTLRDTFIELDQVLNMLYW
VPDWDGVIPTPAIIKPKPLWSGKQILSVAIPNGIHLQRFDEGTTLLSPKD
NGMLIIDGQIIFGVVEKKTVGSSNGGLIHVVTREKGPQVCAKLFGNIQKV
VNFWLLHNGFSTGIGDTIADGPTMREITETIAEAKKKVLDVTKEAQANLL
TAKHGMTLRESFEDNVVRFLNEARDKAGRLAEVNLKDLNNVKQMVMAGSK
GSFINIAQMSACVGQQSVEGKRIAFGFVDRTLPHFSKDDYSPESKGFVEN
SYLRGLTPQEFFFHAMGGREGLIDTAVKTAETGYIQRRLVKALEDIMVHY
DNTTRNSLGNVIQFIYGEDGMDAAHIEKQSLDTIGGSDAAFEKRYRVDLL
NTDHTLDPSLLESGSEILGDLKLQVLLDEEYKQLVKDRKFLREVFVDGEA
NWPLPVNIRRIIQNAQQTFHIDHTKPSDLTIKDIVLGVKDLQENLLVLRG
KNEIIQNAQRDAVTLFCCLLRSRLATRRVLQEYRLTKQAFDWVLSNIEAQ
FLRSVVHPGEMVGVLAAQSIGEPATQMTKKVTSGVPRLKEILNVAKNMKT
PSLTVYLEPGHAADQEQAKLIRSAIEHTTLKSVTIASEIYYDPDPRSTVI
PEDEEIIQLHFSLQQSPWLLRLELDRAAMNDKDLTMGQVGERIKQTFKND
LFVIWSEDNDEKLIIRCRVVAEEDHMLKKIENTMLENITLRGVENIERVV
MMKYDRKVPSPTGEYVKEPEWVLETDGVNLSEVMTVPGIDPTRIYTNSFI
DIMEVLGIEAGRAALYKEVYNVIASDGSYVNYRHMALLVDVMTTQGGLTS
VTRHGFNRSNTGALMRCSFEETVEILFEAGASAELDDCRGVSENVILGQM
APIGTGAFDVMIDEESLVKYMP
Ligand information
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB4a3b Structural basis of initial RNA polymerase II transcription.
Resolution3.5 Å
Binding residue
(original residue number in PDB)		K332 R337 Q447 G835 Y836 R1386 E1403
Binding residue
(residue number reindexed from 1)		K330 R335 Q445 G833 Y834 R1353 E1370
Enzymatic activity
Enzyme Commision number 2.7.7.6: DNA-directed RNA polymerase.
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:4a3b, PDBe:4a3b, PDBj:4a3b
PDBsum4a3b
PubMed22056778
UniProtP04050|RPB1_YEAST DNA-directed RNA polymerase II subunit RPB1 (Gene Name=RPO21)

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