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9MN4

Structure of the human mitochondrial initially transcribing complex, IC3

Functional Information from GO Data
ChainGOidnamespacecontents
A0001018molecular_functionmitochondrial promoter sequence-specific DNA binding
A0001223molecular_functiontranscription coactivator binding
A0001666biological_processresponse to hypoxia
A0003677molecular_functionDNA binding
A0003682molecular_functionchromatin binding
A0003723molecular_functionRNA binding
A0005515molecular_functionprotein binding
A0005634cellular_componentnucleus
A0005739cellular_componentmitochondrion
A0005759cellular_componentmitochondrial matrix
A0005829cellular_componentcytosol
A0006351biological_processDNA-templated transcription
A0006390biological_processmitochondrial transcription
A0006391biological_processtranscription initiation at mitochondrial promoter
A0007584biological_processresponse to nutrient
A0031072molecular_functionheat shock protein binding
A0032991cellular_componentprotein-containing complex
A0034246molecular_functionmitochondrial transcription factor activity
A0042645cellular_componentmitochondrial nucleoid
A0043565molecular_functionsequence-specific DNA binding
B0000179molecular_functionrRNA (adenine-N6,N6-)-dimethyltransferase activity
B0003723molecular_functionRNA binding
B0005739cellular_componentmitochondrion
B0005759cellular_componentmitochondrial matrix
B0006351biological_processDNA-templated transcription
B0006364biological_processrRNA processing
B0006390biological_processmitochondrial transcription
B0006391biological_processtranscription initiation at mitochondrial promoter
B0008168molecular_functionmethyltransferase activity
B0008988molecular_functionrRNA (adenine-N6-)-methyltransferase activity
B0016740molecular_functiontransferase activity
B0031167biological_processrRNA methylation
B0032259biological_processmethylation
B0034246molecular_functionmitochondrial transcription factor activity
B0042645cellular_componentmitochondrial nucleoid
E0000175molecular_function3'-5'-RNA exonuclease activity
E0000428cellular_componentDNA-directed RNA polymerase complex
E0001018molecular_functionmitochondrial promoter sequence-specific DNA binding
E0003723molecular_functionRNA binding
E0003899molecular_functionDNA-directed RNA polymerase activity
E0005515molecular_functionprotein binding
E0005739cellular_componentmitochondrion
E0005759cellular_componentmitochondrial matrix
E0006264biological_processmitochondrial DNA replication
E0006390biological_processmitochondrial transcription
E0006391biological_processtranscription initiation at mitochondrial promoter
E0016740molecular_functiontransferase activity
E0016779molecular_functionnucleotidyltransferase activity
E0032991cellular_componentprotein-containing complex
E0034062molecular_function5'-3' RNA polymerase activity
E0034245cellular_componentmitochondrial DNA-directed RNA polymerase complex
E0042645cellular_componentmitochondrial nucleoid
E0043565molecular_functionsequence-specific DNA binding
Functional Information from PROSITE/UniProt
site_idPS00489
Number of Residues15
DetailsRNA_POL_PHAGE_2 Bacteriophage-type RNA polymerase family active site signature 2. ItRkvvKqtVMTvvY
ChainResidueDetails
EILE985-TYR999

site_idPS00900
Number of Residues12
DetailsRNA_POL_PHAGE_1 Bacteriophage-type RNA polymerase family active site signature 1. PVhqDGSCNGLQ
ChainResidueDetails
EPRO918-GLN929

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues68
DetailsDNA binding: {"description":"HMG box 1","evidences":[{"source":"PROSITE-ProRule","id":"PRU00267","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues64
DetailsDNA binding: {"description":"HMG box 2","evidences":[{"source":"PROSITE-ProRule","id":"PRU00267","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsSite: {"description":"Intercalates between bases and promotes DNA bending"}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues4
DetailsModified residue: {"description":"Phosphoserine; by PKA","evidences":[{"source":"PubMed","id":"23201127","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues1
DetailsModified residue: {"description":"Phosphothreonine","evidences":[{"source":"PubMed","id":"23186163","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues1
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"18669648","evidenceCode":"ECO:0007744"},{"source":"PubMed","id":"23186163","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues1
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"23186163","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues1
DetailsRegion: {"description":"DNA-binding","evidences":[{"source":"PubMed","id":"29149603","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"6ERP","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"6ERQ","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues3
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU01026","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues428
DetailsRegion: {"description":"Mediates interaction with TEFM","evidences":[{"source":"PubMed","id":"21278163","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI11
Number of Residues3
DetailsActive site: {"evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

246704

PDB entries from 2025-12-24

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