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4NV0

Crystal structure of cytosolic 5'-nucleotidase IIIB (cN-IIIB) bound to 7-methylguanosine

Functional Information from GO Data
ChainGOidnamespacecontents
A0000166molecular_functionnucleotide binding
A0000287molecular_functionmagnesium ion binding
A0005737cellular_componentcytoplasm
A0005829cellular_componentcytosol
A0008252molecular_functionnucleotidase activity
A0008253molecular_function5'-nucleotidase activity
A0009117biological_processnucleotide metabolic process
A0009158biological_processribonucleoside monophosphate catabolic process
A0016787molecular_functionhydrolase activity
A0046872molecular_functionmetal ion binding
A1901069biological_processguanosine-containing compound catabolic process
B0000166molecular_functionnucleotide binding
B0000287molecular_functionmagnesium ion binding
B0005737cellular_componentcytoplasm
B0005829cellular_componentcytosol
B0008252molecular_functionnucleotidase activity
B0008253molecular_function5'-nucleotidase activity
B0009117biological_processnucleotide metabolic process
B0009158biological_processribonucleoside monophosphate catabolic process
B0016787molecular_functionhydrolase activity
B0046872molecular_functionmetal ion binding
B1901069biological_processguanosine-containing compound catabolic process
Functional Information from PDB Data
site_idAC1
Number of Residues10
DetailsBINDING SITE FOR RESIDUE PGE A 401
ChainResidue
AARG13
BHOH695
AALA33
AGLU36
AARG37
AASN40
AILE44
AHOH723
AHOH768
BGLU155

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE MG A 402
ChainResidue
AASP55
AASP57
AASP245
AMGF404
AHOH626
AHOH627

site_idAC3
Number of Residues15
DetailsBINDING SITE FOR RESIDUE MG7 A 403
ChainResidue
AASP57
APHE75
AARG100
AGLU103
ATRP120
ATRP121
ASER124
AGLY173
AHOH515
AHOH540
AHOH579
AHOH586
AHOH605
AHOH662
AHOH776

site_idAC4
Number of Residues11
DetailsBINDING SITE FOR RESIDUE MGF A 404
ChainResidue
AASP55
APHE56
AASP57
ASER171
AALA172
ALYS219
AMG402
AHOH523
AHOH540
AHOH626
AHOH627

site_idAC5
Number of Residues6
DetailsBINDING SITE FOR RESIDUE MG B 401
ChainResidue
BASP55
BASP57
BASP245
BMGF403
BHOH644
BHOH645

site_idAC6
Number of Residues16
DetailsBINDING SITE FOR RESIDUE MG7 B 402
ChainResidue
BSER73
BPHE75
BASN79
BTYR96
BGLU103
BTRP120
BTRP121
BSER124
BHOH502
BHOH521
BHOH554
BHOH574
BHOH639
BHOH663
BHOH693
BHOH719

site_idAC7
Number of Residues11
DetailsBINDING SITE FOR RESIDUE MGF B 403
ChainResidue
BASP55
BPHE56
BASP57
BSER171
BALA172
BLYS219
BMG401
BHOH502
BHOH506
BHOH644
BHOH645

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsActive site: {"description":"Nucleophile","evidences":[{"source":"PubMed","id":"24603684","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues2
DetailsActive site: {"description":"Proton donor","evidences":[{"source":"PubMed","id":"24603684","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues10
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"24603684","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues2
DetailsBinding site: {"evidences":[{"source":"UniProtKB","id":"Q9H0P0","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

246031

PDB entries from 2025-12-10

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