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1ZM8

Apo Crystal structure of Nuclease A from Anabaena sp.

Functional Information from GO Data
ChainGOidnamespacecontents
A0003676molecular_functionnucleic acid binding
A0016787molecular_functionhydrolase activity
A0046872molecular_functionmetal ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE MN A 275
ChainResidue
AASN155
ASO4278
AHOH281
AHOH282
AHOH283
AHOH284

site_idAC2
Number of Residues5
DetailsBINDING SITE FOR RESIDUE MN A 276
ChainResidue
AGLU269
AHOH285
AGLU136
AASP246
AGLU249

site_idAC3
Number of Residues6
DetailsBINDING SITE FOR RESIDUE MN A 277
ChainResidue
AGLU136
AGLU249
AASP255
APHE256
AGLN265
AGLU269

site_idAC4
Number of Residues8
DetailsBINDING SITE FOR RESIDUE SO4 A 278
ChainResidue
AARG93
AHIS124
AASN155
AMN275
AHOH281
AHOH282
AHOH300
AHOH392

site_idAC5
Number of Residues6
DetailsBINDING SITE FOR RESIDUE SO4 A 279
ChainResidue
AARG109
ATYR165
AARG222
AARG239
AHOH323
AHOH408

site_idAC6
Number of Residues3
DetailsBINDING SITE FOR RESIDUE NA A 280
ChainResidue
AASP153
ALEU234
AASN236

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsActive site: {"description":"Proton acceptor"}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues1
DetailsBinding site: {}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues6
DetailsBinding site: {"evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues3
DetailsAnnotated By Reference To The Literature 1smn
ChainResidueDetails
AASN155
AARG122
AHIS124

246031

PDB entries from 2025-12-10

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