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2ZQB

Crystal structure of a psychrotrophic RNaseHI variant with sextuple thermostabilizing mutations

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
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
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
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
D0005737cellular_componentcytoplasm
D0006401biological_processRNA catabolic process
D0016787molecular_functionhydrolase activity
D0043137biological_processDNA replication, removal of RNA primer
D0046872molecular_functionmetal ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE SO4 A 159
ChainResidue
ATHR45
AASN47
ALYS101
AASN102
AHOH215
CASN96

site_idAC2
Number of Residues5
DetailsBINDING SITE FOR RESIDUE SO4 B 159
ChainResidue
BASN102
BHOH167
BTHR45
BASN47
BLYS101

site_idAC3
Number of Residues6
DetailsBINDING SITE FOR RESIDUE SO4 C 159
ChainResidue
BSER95
CTHR45
CASN47
CLYS101
CASN102
CHOH174

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues16
DetailsBinding site: {"evidences":[{"source":"HAMAP-Rule","id":"MF_00042","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues141
DetailsDomain: {"description":"RNase H type-1","evidences":[{"source":"PROSITE-ProRule","id":"PRU00408","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

247536

PDB entries from 2026-01-14

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