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1WSI

Crystal structure of E.coli RNase HI active site mutant (E48A/K87A/D134N)

Functional Information from GO Data
ChainGOidnamespacecontents
A0000287molecular_functionmagnesium ion binding
A0003676molecular_functionnucleic acid binding
A0004518molecular_functionnuclease activity
A0004519molecular_functionendonuclease activity
A0004523molecular_functionRNA-DNA hybrid ribonuclease activity
A0005515molecular_functionprotein binding
A0005737cellular_componentcytoplasm
A0006401biological_processRNA catabolic process
A0016787molecular_functionhydrolase activity
A0043137biological_processDNA replication, removal of RNA primer
A0046872molecular_functionmetal ion binding
B0000287molecular_functionmagnesium ion binding
B0003676molecular_functionnucleic acid binding
B0004518molecular_functionnuclease activity
B0004519molecular_functionendonuclease activity
B0004523molecular_functionRNA-DNA hybrid ribonuclease activity
B0005515molecular_functionprotein binding
B0005737cellular_componentcytoplasm
B0006401biological_processRNA catabolic process
B0016787molecular_functionhydrolase activity
B0043137biological_processDNA replication, removal of RNA primer
B0046872molecular_functionmetal ion binding
C0000287molecular_functionmagnesium ion binding
C0003676molecular_functionnucleic acid binding
C0004518molecular_functionnuclease activity
C0004519molecular_functionendonuclease activity
C0004523molecular_functionRNA-DNA hybrid ribonuclease activity
C0005515molecular_functionprotein binding
C0005737cellular_componentcytoplasm
C0006401biological_processRNA catabolic process
C0016787molecular_functionhydrolase activity
C0043137biological_processDNA replication, removal of RNA primer
C0046872molecular_functionmetal ion binding
D0000287molecular_functionmagnesium ion binding
D0003676molecular_functionnucleic acid binding
D0004518molecular_functionnuclease activity
D0004519molecular_functionendonuclease activity
D0004523molecular_functionRNA-DNA hybrid ribonuclease activity
D0005515molecular_functionprotein binding
D0005737cellular_componentcytoplasm
D0006401biological_processRNA catabolic process
D0016787molecular_functionhydrolase activity
D0043137biological_processDNA replication, removal of RNA primer
D0046872molecular_functionmetal ion binding
Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues16
DetailsBINDING: BINDING => ECO:0000269|PubMed:1311386
ChainResidueDetails
AASP10
CALA48
CASP70
CASN134
DASP10
DALA48
DASP70
DASN134
AALA48
AASP70
AASN134
BASP10
BALA48
BASP70
BASN134
CASP10

Catalytic Information from CSA
site_idMCSA1
Number of Residues5
DetailsM-CSA 163
ChainResidueDetails
AASP10metal ligand
AGLY11metal ligand
AALA48increase acidity, increase basicity, unknown
AASP70metal ligand
AASN134increase acidity, metal ligand, proton acceptor, proton donor

site_idMCSA2
Number of Residues5
DetailsM-CSA 163
ChainResidueDetails
BASP10metal ligand
BGLY11metal ligand
BALA48increase acidity, increase basicity, unknown
BASP70metal ligand
BASN134increase acidity, metal ligand, proton acceptor, proton donor

site_idMCSA3
Number of Residues5
DetailsM-CSA 163
ChainResidueDetails
CASP10metal ligand
CGLY11metal ligand
CALA48increase acidity, increase basicity, unknown
CASP70metal ligand
CASN134increase acidity, metal ligand, proton acceptor, proton donor

site_idMCSA4
Number of Residues5
DetailsM-CSA 163
ChainResidueDetails
DASP10metal ligand
DGLY11metal ligand
DALA48increase acidity, increase basicity, unknown
DASP70metal ligand
DASN134increase acidity, metal ligand, proton acceptor, proton donor

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PDB entries from 2025-06-18

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