3SK8

Crystal structure of Staphylococcal nuclease variant Delta+PHS M98G apo protein at cryogenic temperature

Functional Information from GO Data

Chain	GOid	namespace	contents
A	0003676	molecular_function	nucleic acid binding
A	0004518	molecular_function	nuclease activity

Functional Information from PDB Data

site_id	AC1
Number of Residues	5
Details	BINDING SITE FOR RESIDUE PO4 A 150

Chain	Residue
A	ARG35
A	LYS71
A	ARG87
A	HOH220
A	HOH224

---

site_id	AC2
Number of Residues	4
Details	BINDING SITE FOR RESIDUE PO4 A 151

Chain	Residue
A	LYS84
A	LYS97
A	LYS116
A	HOH238

---

site_id	AC3
Number of Residues	7
Details	BINDING SITE FOR RESIDUE MPD A 152

Chain	Residue
A	TYR91
A	TYR93
A	GLY98
A	GLU101
A	HIS121
A	LEU124
A	HOH223

---

Functional Information from PROSITE/UniProt

site_id	PS01123
Number of Residues	25
Details	TNASE_1 Thermonuclease family signature 1. DGDTVkLmykgqpmtf.RLllVDtPE

Chain	Residue	Details
A	ASP19-GLU43

---

site_id	PS01284
Number of Residues	11
Details	TNASE_2 Thermonuclease family signature 2. DKYGRgLAyIY

Chain	Residue	Details
A	ASP83-TYR93

---

Functional Information from SwissProt/UniProt

site_id	SWS_FT_FI1
Number of Residues	16
Details	Compositional bias: {"description":"Basic and acidic residues","evidences":[{"source":"SAM","id":"MobiDB-lite","evidenceCode":"ECO:0000256"}]}

Chain

Residue

Details

---

site_id	SWS_FT_FI2
Number of Residues	3
Details	Active site: {"evidences":[{"source":"PubMed","id":"288045","evidenceCode":"ECO:0000269"}]}

Chain

Residue

Details

---

site_id	SWS_FT_FI3
Number of Residues	3
Details	Binding site: {}

Chain

Residue

Details

---

Catalytic Information from CSA

site_id	MCSA1
Number of Residues	6
Details	M-CSA 165

Chain	Residue	Details
A	ASP21	metal ligand
A	ARG35	electrostatic stabiliser, hydrogen bond donor
A	ASP40	metal ligand
A	THR41	metal ligand
A	GLU43	hydrogen bond acceptor, hydrogen bond donor, proton acceptor, proton donor
A	ARG87	electrostatic stabiliser, hydrogen bond acceptor, hydrogen bond donor, proton acceptor, proton donor

---