Calcium in PDB 4kta: Crystal Structure of Staphylococcal Nuclease Variant Delta+Phs R105Q at Cryogenic Temperatures

Enzymatic activity of Crystal Structure of Staphylococcal Nuclease Variant Delta+Phs R105Q at Cryogenic Temperatures

All present enzymatic activity of Crystal Structure of Staphylococcal Nuclease Variant Delta+Phs R105Q at Cryogenic Temperatures:
3.1.31.1;

Protein crystallography data

The structure of Crystal Structure of Staphylococcal Nuclease Variant Delta+Phs R105Q at Cryogenic Temperatures, PDB code: 4kta was solved by P.C.Bell-Upp, J.L.Schlessman, B.Garcia-Moreno E., with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

*Resolution Low / High (Å)*	32.08 / 1.95
*Space group*	P 1 2₁ 1
*Cell size a, b, c (Å), α, β, γ (°)*	31.065, 60.624, 37.919, 90.00, 95.11, 90.00
*R / R_free (%)*	17.4 / 21

Calcium Binding Sites:

The binding sites of Calcium atom in the Crystal Structure of Staphylococcal Nuclease Variant Delta+Phs R105Q at Cryogenic Temperatures (pdb code 4kta). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total only one binding site of Calcium was determined in the Crystal Structure of Staphylococcal Nuclease Variant Delta+Phs R105Q at Cryogenic Temperatures, PDB code: 4kta:

Calcium binding site 1 out of 1 in 4kta

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Calcium Binding Sites List in 4kta

Calcium binding site 1 out of 1 in the Crystal Structure of Staphylococcal Nuclease Variant Delta+Phs R105Q at Cryogenic Temperatures

Mono view

Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Crystal Structure of Staphylococcal Nuclease Variant Delta+Phs R105Q at Cryogenic Temperatures within 5.0Å range:

probe	atom	residue	distance (Å)	B	Occ
A:Ca202 b:23.5 occ:1.00	O	A:HOH310	2.7	18.4	1.0
	O	A:THR41	2.8	23.4	1.0
	OD1	A:ASP40	2.8	22.7	1.0
	O	A:HOH311	2.9	26.9	1.0
	OD2	A:ASP21	2.9	22.2	1.0
	OE2	A:GLU43	2.9	37.7	1.0
	O6P	A:THP201	3.2	22.4	1.0
	CG	A:ASP21	3.7	21.2	1.0
	OD1	A:ASP21	3.7	21.1	1.0
	O	A:HOH339	3.8	41.2	1.0
	C	A:THR41	3.9	23.3	1.0
	CG	A:ASP40	3.9	23.0	1.0
	CD	A:GLU43	4.0	38.6	1.0
	N	A:THR41	4.0	19.4	1.0
	OG1	A:THR41	4.1	20.3	1.0
	NH2	A:ARG35	4.1	16.5	1.0
	O	A:HOH305	4.1	23.6	1.0
	O	A:HOH351	4.1	37.1	1.0
	P2	A:THP201	4.1	22.1	1.0
	O5P	A:THP201	4.2	20.2	1.0
	O	A:HOH327	4.4	29.8	1.0
	CA	A:THR41	4.5	21.1	1.0
	OD2	A:ASP40	4.5	25.4	1.0
	CZ	A:ARG35	4.7	16.8	1.0
	OE1	A:GLU43	4.7	37.9	1.0
	C	A:PRO42	4.7	29.3	1.0
	N	A:GLU43	4.8	32.4	1.0
	O4P	A:THP201	4.8	24.6	1.0
	C	A:ASP40	4.8	19.6	1.0
	CA	A:ASP40	4.8	18.9	1.0
	NE	A:ARG35	4.8	16.5	1.0
	CB	A:THR41	4.9	20.6	1.0
	O	A:PRO42	4.9	28.9	1.0
	CG	A:GLU43	5.0	37.5	1.0
	N	A:PRO42	5.0	26.5	1.0

Reference:

P.C.Bell-Upp, J.L.Schlessman, C.A.Fitch, B.Garcia-Moreno E.. Crystal Structure of Staphylococcal Nuclease Variant Delta+Phs R105Q at Cryogenic Temperatures To Be Published.

Page generated: Tue Jul 8 23:40:21 2025

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