Calcium in PDB 1iag: First Structure of A Snake Venom Metalloproteinase: A Prototype For Matrix Metalloproteinases(Slash)Collagenases

Enzymatic activity of First Structure of A Snake Venom Metalloproteinase: A Prototype For Matrix Metalloproteinases(Slash)Collagenases

All present enzymatic activity of First Structure of A Snake Venom Metalloproteinase: A Prototype For Matrix Metalloproteinases(Slash)Collagenases:
3.4.24.46;

Protein crystallography data

The structure of First Structure of A Snake Venom Metalloproteinase: A Prototype For Matrix Metalloproteinases(Slash)Collagenases, PDB code: 1iag was solved by F.-X.Gomis-Rueth, W.Bode, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

*Resolution Low / High (Å)*	8.00 / 2.00
*Space group*	P 3₂ 1 2
*Cell size a, b, c (Å), α, β, γ (°)*	73.600, 73.600, 96.400, 90.00, 90.00, 120.00
*R / R_free (%)*	17.2 / n/a

Other elements in 1iag:

The structure of First Structure of A Snake Venom Metalloproteinase: A Prototype For Matrix Metalloproteinases(Slash)Collagenases also contains other interesting chemical elements:

Zinc

(Zn)

1 atom

Calcium Binding Sites:

The binding sites of Calcium atom in the First Structure of A Snake Venom Metalloproteinase: A Prototype For Matrix Metalloproteinases(Slash)Collagenases (pdb code 1iag). 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 First Structure of A Snake Venom Metalloproteinase: A Prototype For Matrix Metalloproteinases(Slash)Collagenases, PDB code: 1iag:

Calcium binding site 1 out of 1 in 1iag

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Calcium Binding Sites List in 1iag

Calcium binding site 1 out of 1 in the First Structure of A Snake Venom Metalloproteinase: A Prototype For Matrix Metalloproteinases(Slash)Collagenases

Mono view

Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of First Structure of A Snake Venom Metalloproteinase: A Prototype For Matrix Metalloproteinases(Slash)Collagenases within 5.0Å range:

probe	atom	residue	distance (Å)	B	Occ
A:Ca250 b:10.9 occ:1.00	O	A:CYS197	2.2	14.6	1.0
	OD1	A:ASN200	2.3	11.2	1.0
	OD1	A:ASP93	2.3	14.3	1.0
	OE1	A:GLU9	2.4	13.3	1.0
	O	A:HOH313	2.5	10.0	1.0
	OD2	A:ASP93	2.7	8.7	1.0
	CG	A:ASP93	2.9	12.0	1.0
	CG	A:ASN200	3.3	20.2	1.0
	C	A:CYS197	3.4	10.8	1.0
	CD	A:GLU9	3.4	10.2	1.0
	ND2	A:ASN200	3.6	21.6	1.0
	CG	A:GLU9	4.0	14.3	1.0
	CA	A:CYS197	4.2	21.9	1.0
	CB	A:ASP93	4.3	2.0	1.0
	N	A:ILE198	4.4	8.1	1.0
	OE2	A:GLU9	4.4	11.1	1.0
	CB	A:GLU9	4.4	20.3	1.0
	CD	A:ARG91	4.4	5.0	1.0
	CB	A:CYS197	4.4	2.0	1.0
	O	A:TYR7	4.6	13.1	1.0
	CA	A:ILE198	4.6	2.7	1.0
	CB	A:ASN200	4.6	12.6	1.0
	O	A:ASN200	4.6	22.1	1.0
	O	A:HOH312	4.6	52.0	1.0
	N	A:ASN200	4.7	15.4	1.0
	N	A:GLU9	4.8	3.6	1.0

Reference:

F.X.Gomis-Ruth, L.F.Kress, W.Bode. First Structure of A Snake Venom Metalloproteinase: A Prototype For Matrix Metalloproteinases/Collagenases. Embo J. V. 12 4151 1993.
ISSN: ISSN 0261-4189
PubMed: 8223430

Page generated: Mon Jul 7 15:49:01 2025

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