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3DHQ

Crystal structure of Staphylococcal nuclease variant Delta+PHS A90R 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 Residues6
DetailsBINDING SITE FOR RESIDUE CA A 150
ChainResidue
AASP21
AASP40
ATHR41
AGLU43
AHOH197
AHOH199

site_idAC2
Number of Residues16
DetailsBINDING SITE FOR RESIDUE THP A 151
ChainResidue
ATYR85
AARG87
ALEU89
ATYR113
ATYR115
ALYS127
AHOH154
AHOH158
AHOH168
AHOH181
AHOH182
AHOH184
AHOH197
AARG35
AASP40
ALYS84

Functional Information from PROSITE/UniProt
site_idPS01123
Number of Residues25
DetailsTNASE_1 Thermonuclease family signature 1. DGDTVkLmykgqpmtf.RLllVDtPE
ChainResidueDetails
AASP19-GLU43

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_idCSA1
Number of Residues2
DetailsAnnotated By Reference To The Literature 1a2t
ChainResidueDetails
AARG35
AARG87

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
ATYR93electrostatic stabiliser, hydrogen bond acceptor, hydrogen bond donor, proton acceptor, proton donor

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PDB entries from 2024-07-17

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