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3LX0

Crystal structure of Staphylococcal nuclease variant Delta+PHS D21N at cryogenic temperature

Functional Information from GO Data
ChainGOidnamespacecontents
A0003676molecular_functionnucleic acid binding
A0004518molecular_functionnuclease activity
Functional Information from PDB Data
site_idAC1
Number of Residues22
DetailsBINDING SITE FOR RESIDUE THP A 150
ChainResidue
AALA1
AARG87
ALEU89
ATYR113
ALYS127
AHOH152
AHOH157
AHOH162
AHOH168
AHOH179
AHOH199
AASN21
AHOH207
AHOH234
AHOH248
AARG35
ALEU36
AASP40
AHOH47
AASP83
ALYS84
ATYR85

site_idAC2
Number of Residues5
DetailsBINDING SITE FOR RESIDUE PO4 A 151
ChainResidue
AHIS8
AGLU10
ATYR27
ALYS64
AARG81

Functional Information from PROSITE/UniProt
site_idPS01284
Number of Residues11
DetailsTNASE_2 Thermonuclease family signature 2. DKYGRgLAyIY
ChainResidueDetails
AASP83-TYR93

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues3
DetailsACT_SITE: ACT_SITE => ECO:0000269|PubMed:288045
ChainResidueDetails
AARG35
AGLU43
ATYR93

site_idSWS_FT_FI2
Number of Residues3
DetailsBINDING:
ChainResidueDetails
AASN21
AASP40
ATHR41

Catalytic Information from CSA
site_idMCSA1
Number of Residues6
DetailsM-CSA 165
ChainResidueDetails
AASN21metal ligand
AARG35electrostatic stabiliser, hydrogen bond donor
AASP40metal ligand
ATHR41metal ligand
AGLU43hydrogen bond acceptor, hydrogen bond donor, proton acceptor, proton donor
AARG87electrostatic stabiliser, hydrogen bond acceptor, hydrogen bond donor, proton acceptor, proton donor

237735

PDB entries from 2025-06-18

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