Structure of PDB 8p4e Chain A

Receptor sequence

>8p4eA (length=1407) Species: 9823 (Sus scrofa)

SACPLRTIKRVQFGVLSPDELKRMSVTEGGIKYPETTEGGRPKLGGLMDP
RQGVIERTGRCQTCAGNMTECPGHFGHIELAKPVFHVGFLVKTMKVLRCV
CFFCSKLLVDSNNPKIKDILAKSKGQPKKRLTHVYDLCKGKNGGCGRYQP
RIRRSGLELYAEWKKKILLSPERVHEIFKRISDEECFVLGMEPRYARPEW
MIVTVLPVPPLSVRPAVRNQDDLTHKLADIVKINNQLRRNEQNGAAAHVI
AEDVKLLQFHVATMVDNELPGLPRAMQKSGRPLKSLKQRLKGKEGRVRGN
LMGKRVDFSARTVITPDPNLSIDQVGVPRSIAANMTFAEIVTPFNIDRLQ
ELVRRGNSQYPGAKYIIRDNGDRIDLRFHPKPSDLHLQTGYKVERHMCDG
DIVIFNRQPTLHKMSMMGHRVRILPWSTFRLNLSVTTPYNADFDGDEMNL
HLPQSLETRAEIQELAMVPRMIVTPQSNRPVMGIVQDTLTAVRKFTKRDV
FLERGEVMNLLMFLSTWDGKVPQPAILKPRPLWTGKQIFSLIIPGHINCI
RTHSTHPDDEDSGPYKHISPGDTKVVVENGELIMGILCKKSLGTSAGSLV
HISYLEMGHDITRLFYSNIQTVINNWLLIEGHTIGIGDSIADSKTYQDIQ
NTIKKAKQDVIEVIEKAHNNELEPTPGNTLRQTFENQVNRILNDARDKTG
SSAQKSLSEYNNFKSMVVSGAKGSKINISQVIAVVGQQNVEGKRIPFGFK
HRTLPHFIKDDYGPESRGFVENSYLAGLTPTEFFFHAMGGREGLIDTAVK
TAETGYIQRRLIKSMESVMVKYDATVRNSINQVVQLRYGEDGLAGESVEF
QNLATLKPSNKAFEKKFRFDYTNERALRRTLQEDLVKDVLSNAHIQNELE
REFERMREDREVLRVIFPTGDSKVVLPCNLLRMIWNAQKIFHINPRLPSD
LHPIKVVEGVKELSKKLVIVNGDDPLSRQAQENATLLFNIHLRSTLCSRR
MAEEFRLSGEAFDWLLGEIESKFNQAIAHPGEMVGALAAQSLGEPATQMT
LNTFHYAGVSAKNVTLGVPRLKELINISKKPKTPSLTVFLLGQSARDAER
AKDILCRLEHTTLRKVTANTAIYYDPNPQSTVVAEDQEWVNVISPWLLRV
ELDRKHMTDRKLTMEQIAEKINAGFGDDLNCIFNDDNAEKLVLRIRIMND
DDVFLRCIESNMLTDMTLQGIEQISKVYMHLPQTDNKKKIIITEDGEFKA
LQEWILETDGVSLMRVLSEKDVDPVRTTSNDIVEIFTVLGIEAVRKALER
ELYHVISFDGSYVNYRHLALLCDTMTCRGHLMAITRHGVNRQDTGPLMKC
SFEETVDVLMEAAAHGESDPMKGVSENIMLGQLAPAGTGCFDLLLDAEKC
KYGMEIP

3D structure

• PDB: 8p4e Structural insights into human co-transcriptional capping.
• Chain: A
• Resolution: 3.9 Å

Enzymatic activity

• Enzyme Commision number: 2.7.7.48: RNA-directed RNA polymerase.
  2.7.7.6: DNA-directed RNA polymerase.
  3.1.13.-

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	T68 N272 R334 F431 R460 D499	T58 N219 R281 F378 R407 D446
BS02	dna	A	K331 H1417	K278 H1337
BS03	dna	A	K331 K346 R351 R358 R364 Q461 P462 T854 A855 R1416 E1433	K278 K293 R298 R305 R311 Q408 P409 T801 A802 R1336 E1353
BS04	MG	A	D495 D497 D499	D442 D444 D446
BS05	ZN	A	C71 H84	C61 H74

Gene Ontology

Molecular Function

• GO:0001055 RNA polymerase II activity
• GO:0003677 DNA binding
• GO:0003899 DNA-directed 5'-3' RNA polymerase activity
• GO:0016779 nucleotidyltransferase activity
• GO:0016787 hydrolase activity
• GO:0034062 5'-3' RNA polymerase activity
• GO:0046872 metal ion binding
• GO:1990841 promoter-specific chromatin binding

Biological Process

• GO:0006351 DNA-templated transcription
• GO:0006366 transcription by RNA polymerase II
• GO:0033120 positive regulation of RNA splicing

Cellular Component

• GO:0000428 DNA-directed RNA polymerase complex
• GO:0000974 Prp19 complex
• GO:0005634 nucleus
• GO:0005665 RNA polymerase II, core complex
• GO:0005694 chromosome
• GO:0005737 cytoplasm
• GO:0031981 nuclear lumen
• GO:0032991 protein-containing complex

External links

• PDB: RCSB:8p4e, PDBe:8p4e, PDBj:8p4e
• PDBsum: 8p4e
• PubMed: 37369200
• UniProt: P11414|RPB1_CRIGR DNA-directed RNA polymerase II subunit RPB1 (Gene Name=POLR2A)