Loading
PDBj
MenuPDBj@FacebookPDBj@TwitterPDBj@YouTubewwPDB FoundationwwPDB
RCSB PDBPDBeBMRBAdv. SearchSearch help

4K5W

Crystal structure of Staphylococcal nuclease variant V23M/L25F/T62F 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 Residues8
DetailsBINDING SITE FOR RESIDUE CA A 201
ChainResidue
AASP21
AARG35
AASP40
ATHR41
ATHP202
AHOH332
AHOH346
AHOH352

site_idAC2
Number of Residues19
DetailsBINDING SITE FOR RESIDUE THP A 202
ChainResidue
ALEU36
AASP40
ALYS71
AASP83
ALYS84
ATYR85
AARG87
ALEU89
ATYR113
ATYR115
ACA201
AHOH303
AHOH317
AHOH326
AHOH332
AHOH345
AHOH351
AHOH363
AARG35

site_idAC3
Number of Residues3
DetailsBINDING SITE FOR RESIDUE PO4 A 203
ChainResidue
APHE76
ALYS134
AHOH356

site_idAC4
Number of Residues3
DetailsBINDING SITE FOR RESIDUE MRD A 204
ChainResidue
APHE61
ALYS116
AHOH367

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
AARG87

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

224004

PDB entries from 2024-08-21

PDB statisticsPDBj update infoContact PDBjnumon