Structure of PDB 6i84 Chain A

Receptor sequence

>6i84A (length=1416) Species: 559292 (Saccharomyces cerevisiae S288C)

VGQQYSSAPLRTVKEVQFGLFSPEEVRAISVAKIRFPETMDETQTRAKIG
GLNDPRLGSIDRNLKCQTCQEGMNECPGHFGHIDLAKPVFHVGFIAKIKK
VCECVCMHCGKLLLDEHNELMRQALAIKDSKKRFAAIWTLCKTKMVCETD
VPSEDDPTQLVSRGGCGNTQPTIRKDGLKLVGSWKDEPELRVLSTEEILN
IFKHISVKDFTSLGFNEVFSRPEWMILTCLPVPPPPVRPSISFNESQRGE
DDLTFKLADILKANISLETLEHNGAPHHAIEEAESLLQFHVATYMDNDIA
GQPQALQKSGRPVKSIRARLKGKEGRIRGNLMGKRVDFSARTVISGDPNL
ELDQVGVPKSIAKTLTYPEVVTPYNIDRLTQLVRNGPNEHPGAKYVIRDS
GDRIDLRYSKRAGDIQLQYGWKVERHIMDNDPVLFNRQPSLHKMSMMAHR
VKVIPYSTFRLNLSVTSPYNADFDGDEMNLHVPQSEETRAELSQLCAVPL
QIVSPQSNKPCMGIVQDTLCGIRKLTLRDTFIELDQVLNMLYWVPDWDGV
IPTPAIIKPKPLWSGKQILSVAIPNGIHLQRFDEGTTLLSPKDNGMLIID
GQIIFGVVEKKTVGSSNGGLIHVVTREKGPQVCAKLFGNIQKVVNFWLLH
NGFSTGIGDTIADGPTMREITETIAEAKKKVLDVTKEAQANLLTAKHGMT
LRESFEDNVVRFLNEARDKAGRLAEVNLKDLNNVKQMVMAGSKGSFINIA
QMSACVGQQSVEGKRIAFGFVDRTLPHFSKDDYSPESKGFVENSYLRGLT
PQEFFFHAMGGREGLIDTAVKTAETGYIQRRLVKALEDIMVHYDNTTRNS
LGNVIQFIYGEDGMDAAHIEKQSLDTIGGSDAAFEKRYRVDLLNTDHTLD
PSLLESGSEILGDLKLQVLLDEEYKQLVKDRKFLREVFVDGEANWPLPVN
IRRIIQNAQQTFHIDHTKPSDLTIKDIVLGVKDLQENLLVLRGKNEIIQN
AQRDAVTLFCCLLRSRLATRRVLQEYRLTKQAFDWVLSNIEAQFLRSVVH
PGEMVGVLAAQSIGEPATQMTLKKVTSGVPRLKEILNVAKNMKTPSLTVY
LEPGHAADQEQAKLIRSAIEHTTLKSVTIASEIYYDPDPRSTVIPEDEEI
IQLHFSQQSPWLLRLELDRAAMNDKDLTMGQVGERIKQTFKNDLFVIWSE
DNDEKLIIRCRVVRAEEDHMLKKIENTMLENITLRGVENIERVVMMKYDR
KVPSPTGEYVKEPEWVLETDGVNLSEVMTVPGIDPTRIYTNSFIDIMEVL
GIEAGRAALYKEVYNVIASDGSYVNYRHMALLVDVMTTQGGLTSVTRHGF
NRSNTGALMRCSFEETVEILFEAGASAELDDCRGVSENVILGQMAPIGTG
AFDVMIDEESLVKYMP

3D structure

• PDB: 6i84 Structure of transcribing RNA polymerase II-nucleosome complex.
• Chain: A
• Resolution: 4.4 Å

Enzymatic activity

• Catalytic site (original residue number in PDB): D481 D483 D485
• Catalytic site (residue number reindexed from 1): D472 D474 D476
• 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	dna	A	K145 R326 K330 K332 R344 Q447 T831 A832 G835 Y836 R1386 E1403	K144 R317 K321 K323 R335 Q438 T822 A823 G826 Y827 R1347 E1364
BS02	dna	A	K101 W139 R175 A1108 N1110 H1387	K100 W138 R174 A1089 N1091 H1348
BS03	rna	A	F252 E333 D485	F243 E324 D476
BS04	ZN	A	C67 C70 H80	C66 C69 H79
BS05	MG	A	D483 D485	D474 D476

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

External links

• PDB: RCSB:6i84, PDBe:6i84, PDBj:6i84
• PDBsum: 6i84
• PubMed: 30575770
• UniProt: P04050|RPB1_YEAST DNA-directed RNA polymerase II subunit RPB1 (Gene Name=RPO21)