Calcium in PDB 1slw: Rat Anionic N143H, E151H Trypsin Complexed to A86H Ecotin; Nickel- Bound

Enzymatic activity of Rat Anionic N143H, E151H Trypsin Complexed to A86H Ecotin; Nickel- Bound

All present enzymatic activity of Rat Anionic N143H, E151H Trypsin Complexed to A86H Ecotin; Nickel- Bound:
3.4.21.4;

Protein crystallography data

The structure of Rat Anionic N143H, E151H Trypsin Complexed to A86H Ecotin; Nickel- Bound, PDB code: 1slw was solved by L.S.Brinen, R.J.Fletterick, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

*Resolution Low / High (Å)*	6.00 / 2.00
*Space group*	C 1 2 1
*Cell size a, b, c (Å), α, β, γ (°)*	86.380, 56.230, 81.230, 90.00, 92.81, 90.00
*R / R_free (%)*	17.9 / 25.3

Other elements in 1slw:

The structure of Rat Anionic N143H, E151H Trypsin Complexed to A86H Ecotin; Nickel- Bound also contains other interesting chemical elements:

Nickel

(Ni)

1 atom

Calcium Binding Sites:

The binding sites of Calcium atom in the Rat Anionic N143H, E151H Trypsin Complexed to A86H Ecotin; Nickel- Bound (pdb code 1slw). 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 Rat Anionic N143H, E151H Trypsin Complexed to A86H Ecotin; Nickel- Bound, PDB code: 1slw:

Calcium binding site 1 out of 1 in 1slw

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Calcium Binding Sites List in 1slw

Calcium binding site 1 out of 1 in the Rat Anionic N143H, E151H Trypsin Complexed to A86H Ecotin; Nickel- Bound

Mono view

Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Rat Anionic N143H, E151H Trypsin Complexed to A86H Ecotin; Nickel- Bound within 5.0Å range:

probe	atom	residue	distance (Å)	B	Occ
B:Ca246 b:48.0 occ:1.00	O	B:ACT247	1.7	49.5	1.0
	O	B:VAL75	1.8	54.4	1.0
	O	B:ASN72	1.9	44.6	1.0
	OXT	B:ACT247	1.9	51.2	1.0
	C	B:ACT247	2.0	50.2	1.0
	OE2	B:GLU77	2.7	66.2	1.0
	OE1	B:GLU70	3.1	38.7	1.0
	C	B:VAL75	3.1	52.2	1.0
	C	B:ASN72	3.1	46.8	1.0
	CD	B:GLU77	3.4	67.4	1.0
	CH3	B:ACT247	3.6	47.6	1.0
	CD	B:GLU70	3.9	32.7	1.0
	N	B:LEU76	3.9	53.4	1.0
	CA	B:LEU76	4.0	55.4	1.0
	N	B:VAL75	4.0	51.9	1.0
	CA	B:ASN72	4.0	47.1	1.0
	N	B:ILE73	4.1	46.4	1.0
	OE1	B:GLU77	4.1	68.8	1.0
	N	B:ASN72	4.1	45.1	1.0
	CA	B:VAL75	4.1	51.7	1.0
	CB	B:ASN72	4.1	52.9	1.0
	CG	B:GLU77	4.2	67.0	1.0
	OE2	B:GLU70	4.2	34.2	1.0
	CA	B:ILE73	4.3	46.4	1.0
	O	B:ILE73	4.3	50.8	1.0
	C	B:ILE73	4.3	48.3	1.0
	N	B:GLU77	4.5	60.6	1.0
	C	B:LEU76	4.5	59.0	1.0
	CG2	B:VAL75	4.6	51.0	1.0
	N	B:HIS71	4.7	39.8	1.0
	N	B:ASN74	4.9	50.7	1.0
	CG	B:ASN72	4.9	57.2	1.0
	CA	B:GLU70	4.9	32.6	1.0

Reference:

L.S.Brinen, W.S.Willett, C.S.Craik, R.J.Fletterick. X-Ray Structures of A Designed Binding Site in Trypsin Show Metal-Dependent Geometry. Biochemistry V. 35 5999 1996.
ISSN: ISSN 0006-2960
PubMed: 8634241
DOI: 10.1021/BI9530200

Page generated: Tue Jul 8 02:01:10 2025

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