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2NUF

Crystal structure of RNase III from Aquifex aeolicus complexed with ds-RNA at 2.5-Angstrom Resolution

Functional Information from GO Data
ChainGOidnamespacecontents
A0003723molecular_functionRNA binding
A0003725molecular_functiondouble-stranded RNA binding
A0004518molecular_functionnuclease activity
A0004519molecular_functionendonuclease activity
A0004525molecular_functionribonuclease III activity
A0005737cellular_componentcytoplasm
A0005829cellular_componentcytosol
A0006364biological_processrRNA processing
A0006396biological_processRNA processing
A0006397biological_processmRNA processing
A0008033biological_processtRNA processing
A0010468biological_processregulation of gene expression
A0016787molecular_functionhydrolase activity
A0042802molecular_functionidentical protein binding
A0046872molecular_functionmetal ion binding
B0003723molecular_functionRNA binding
B0003725molecular_functiondouble-stranded RNA binding
B0004518molecular_functionnuclease activity
B0004519molecular_functionendonuclease activity
B0004525molecular_functionribonuclease III activity
B0005737cellular_componentcytoplasm
B0005829cellular_componentcytosol
B0006364biological_processrRNA processing
B0006396biological_processRNA processing
B0006397biological_processmRNA processing
B0008033biological_processtRNA processing
B0010468biological_processregulation of gene expression
B0016787molecular_functionhydrolase activity
B0042802molecular_functionidentical protein binding
B0046872molecular_functionmetal ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues2
DetailsBINDING SITE FOR RESIDUE MG A 222
ChainResidue
AASP44
AGLU110

site_idAC2
Number of Residues3
DetailsBINDING SITE FOR RESIDUE MG C 202
ChainResidue
CC1
CA2
CHOH223

site_idAC3
Number of Residues3
DetailsBINDING SITE FOR RESIDUE MG A 223
ChainResidue
AGLU40
AASP107
AGLU110

site_idAC4
Number of Residues7
DetailsBINDING SITE FOR RESIDUE MG A 224
ChainResidue
AHOH276
AHOH277
AHOH278
AHOH279
CC1
CA2
AGLU40

site_idAC5
Number of Residues4
DetailsBINDING SITE FOR RESIDUE MG B 222
ChainResidue
BASP44
BGLU110
BHOH248
DC1

site_idAC6
Number of Residues3
DetailsBINDING SITE FOR RESIDUE MG D 206
ChainResidue
DC1
DA2
DHOH210

site_idAC7
Number of Residues5
DetailsBINDING SITE FOR RESIDUE MG B 223
ChainResidue
BGLU40
BASP107
BGLU110
BHOH232
BHOH248

site_idAC8
Number of Residues3
DetailsBINDING SITE FOR RESIDUE MG D 208
ChainResidue
BGLU40
DC1
DA2

Functional Information from PROSITE/UniProt
site_idPS00517
Number of Residues9
DetailsRNASE_3_1 Ribonuclease III family signature. ETLEFLGDA
ChainResidueDetails
AGLU37-ALA45

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues234
DetailsDomain: {"description":"RNase III"}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues136
DetailsDomain: {"description":"DRBM"}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsActive site: {"evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues2
DetailsActive site: {"evidences":[{"evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues6
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"15016361","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"18047582","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"11738048","evidenceCode":"ECO:0000305"},{"source":"PDB","id":"1JFZ","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1RC5","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

243911

PDB entries from 2025-10-29

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