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3NP8

Crystal structure of Staphylococcal nuclease variant Delta+PHS L36A 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 Residues19
DetailsBINDING SITE FOR RESIDUE THP A 150
ChainResidue
AARG35
ACA151
AHOH153
AHOH157
AHOH159
AHOH163
AHOH165
AHOH182
AHOH184
AHOH187
AHOH190
AASP40
ALYS84
ATYR85
AARG87
ALEU89
ATYR113
ATYR115
ALYS127

site_idAC2
Number of Residues7
DetailsBINDING SITE FOR RESIDUE CA A 151
ChainResidue
AASP21
AASP40
ATHR41
AGLU43
ATHP150
AHOH154
AHOH157

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
AASP21
AASP40
ATHR41

Catalytic Information from CSA
site_idMCSA1
Number of Residues6
DetailsM-CSA 165
ChainResidueDetails
AASP21metal 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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