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3D4D

Crystal structure of Staphylococcal nuclease variant Delta+PHS Y91E at cryogenic temperature

Functional Information from GO Data
ChainGOidnamespacecontents
A0003676molecular_functionnucleic acid binding
A0004518molecular_functionnuclease activity
B0003676molecular_functionnucleic acid binding
B0004518molecular_functionnuclease activity
Functional Information from PDB Data
site_idAC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CA A 150
ChainResidue
AASP21
AASP40
ATHR41
AGLU43

site_idAC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CA B 150
ChainResidue
BASP21
BASP40
BTHR41
BGLU43

site_idAC3
Number of Residues9
DetailsBINDING SITE FOR RESIDUE THP A 151
ChainResidue
AASP40
ALYS84
ATYR85
AARG87
ALEU89
ATYR113
ATYR115
ALYS127
AARG35

site_idAC4
Number of Residues9
DetailsBINDING SITE FOR RESIDUE THP B 151
ChainResidue
BARG35
BASP40
BLYS84
BTYR85
BARG87
BLEU89
BTYR113
BTYR115
BLYS127

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

site_idPS01284
Number of Residues11
DetailsTNASE_2 Thermonuclease family signature 2. DKYGRgLAeIY
ChainResidueDetails
AASP83-TYR93

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues6
DetailsACT_SITE: ACT_SITE => ECO:0000269|PubMed:288045
ChainResidueDetails
AARG35
AGLU43
ATYR93
BARG35
BGLU43
BTYR93

site_idSWS_FT_FI2
Number of Residues6
DetailsBINDING:
ChainResidueDetails
AASP21
AASP40
ATHR41
BASP21
BASP40
BTHR41

Catalytic Information from CSA
site_idCSA1
Number of Residues2
DetailsAnnotated By Reference To The Literature 1a2t
ChainResidueDetails
AARG35
AARG87

site_idCSA2
Number of Residues2
DetailsAnnotated By Reference To The Literature 1a2t
ChainResidueDetails
BARG35
BARG87

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

site_idMCSA2
Number of Residues6
DetailsM-CSA 165
ChainResidueDetails
BASP21metal ligand
BARG35electrostatic stabiliser, hydrogen bond donor
BASP40metal ligand
BTHR41metal ligand
BGLU43hydrogen bond acceptor, hydrogen bond donor, proton acceptor, proton donor
BTYR93electrostatic stabiliser, hydrogen bond acceptor, hydrogen bond donor, proton acceptor, proton donor

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PDB entries from 2024-10-30

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