Atomistry » Calcium » PDB 1k9u-1kre » 1kei
Atomistry »
  Calcium »
    PDB 1k9u-1kre »
      1kei »

Calcium in PDB 1kei: Thermolysin (Substrate-Free)

Enzymatic activity of Thermolysin (Substrate-Free)

All present enzymatic activity of Thermolysin (Substrate-Free):
3.4.24.27;

Protein crystallography data

The structure of Thermolysin (Substrate-Free), PDB code: 1kei was solved by M.Senda, T.Senda, S.Kidokoro, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 25.48 / 1.60
Space group P 61 2 2
Cell size a, b, c (Å), α, β, γ (°) 93.541, 93.541, 131.141, 90.00, 90.00, 120.00
R / Rfree (%) 17.2 / 18.8

Other elements in 1kei:

The structure of Thermolysin (Substrate-Free) also contains other interesting chemical elements:

Zinc (Zn) 1 atom

Calcium Binding Sites:

The binding sites of Calcium atom in the Thermolysin (Substrate-Free) (pdb code 1kei). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 4 binding sites of Calcium where determined in the Thermolysin (Substrate-Free), PDB code: 1kei:
Jump to Calcium binding site number: 1; 2; 3; 4;

Calcium binding site 1 out of 4 in 1kei

Go back to Calcium Binding Sites List in 1kei
Calcium binding site 1 out of 4 in the Thermolysin (Substrate-Free)


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Thermolysin (Substrate-Free) within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Ca401

b:13.2
occ:1.00
O A:GLU187 2.3 14.2 1.0
OD2 A:ASP138 2.4 13.3 1.0
O A:HOH1005 2.5 13.5 1.0
OE1 A:GLU177 2.5 12.9 1.0
OD1 A:ASP185 2.5 14.4 1.0
OE1 A:GLU190 2.5 13.0 1.0
OE2 A:GLU190 2.5 14.2 1.0
OE2 A:GLU177 2.8 14.1 1.0
CD A:GLU190 2.8 13.6 1.0
CD A:GLU177 3.0 14.3 1.0
CG A:ASP138 3.4 14.0 1.0
C A:GLU187 3.4 14.3 1.0
CG A:ASP185 3.5 16.2 1.0
CA A:CA402 3.8 15.2 1.0
OD2 A:ASP185 3.9 17.2 1.0
CB A:ASP138 4.0 12.5 1.0
N A:GLU187 4.2 15.6 1.0
O A:ASP185 4.2 15.6 1.0
N A:ILE188 4.3 13.2 1.0
O A:HOH1143 4.3 34.4 1.0
CA A:ILE188 4.3 13.6 1.0
CA A:GLU187 4.3 16.0 1.0
OD1 A:ASP138 4.3 15.1 1.0
CG A:GLU190 4.3 13.6 1.0
CG A:GLU177 4.4 13.8 1.0
N A:GLY189 4.5 13.2 1.0
O A:HOH1043 4.5 18.4 1.0
CB A:GLU187 4.6 17.8 1.0
C A:ASP185 4.6 15.1 1.0
C A:ILE188 4.8 13.6 1.0
CB A:ASP185 4.8 15.5 1.0
N A:ASP185 4.8 15.7 1.0
O A:HOH1030 4.9 18.1 1.0
N A:GLU190 4.9 12.8 1.0
CB A:GLU177 4.9 13.2 1.0

Calcium binding site 2 out of 4 in 1kei

Go back to Calcium Binding Sites List in 1kei
Calcium binding site 2 out of 4 in the Thermolysin (Substrate-Free)


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 2 of Thermolysin (Substrate-Free) within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Ca402

b:15.2
occ:1.00
OE2 A:GLU190 2.3 14.2 1.0
O A:ASN183 2.3 18.9 1.0
OD2 A:ASP185 2.3 17.2 1.0
O A:HOH1019 2.4 17.8 1.0
OE2 A:GLU177 2.4 14.1 1.0
O A:HOH1030 2.4 18.1 1.0
CG A:ASP185 3.2 16.2 1.0
CD A:GLU177 3.3 14.3 1.0
CD A:GLU190 3.3 13.6 1.0
C A:ASN183 3.5 20.5 1.0
OD1 A:ASP185 3.6 14.4 1.0
CG A:GLU190 3.8 13.6 1.0
O A:LYS182 3.8 26.3 1.0
OE1 A:GLU177 3.8 12.9 1.0
CA A:CA401 3.8 13.2 1.0
CB A:ASN183 4.2 25.4 1.0
OD2 A:ASP191 4.2 18.5 1.0
N A:ASP185 4.2 15.7 1.0
OE1 A:GLU190 4.2 13.0 1.0
CA A:PRO184 4.2 18.9 1.0
CG A:GLU177 4.3 13.8 1.0
N A:PRO184 4.3 20.2 1.0
C A:PRO184 4.3 18.9 1.0
OD1 A:ASP191 4.3 18.8 1.0
CB A:ASP185 4.4 15.5 1.0
CA A:ASN183 4.5 23.0 1.0
CG A:ASP191 4.6 17.0 1.0
O A:HOH1143 4.6 34.4 1.0
C A:LYS182 4.9 25.7 1.0
CA A:ASP185 4.9 15.6 1.0
O A:PRO184 4.9 19.2 1.0

Calcium binding site 3 out of 4 in 1kei

Go back to Calcium Binding Sites List in 1kei
Calcium binding site 3 out of 4 in the Thermolysin (Substrate-Free)


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 3 of Thermolysin (Substrate-Free) within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Ca403

b:14.2
occ:1.00
O A:GLN61 2.3 14.4 1.0
O A:HOH1016 2.3 18.6 1.0
OD1 A:ASP59 2.4 16.6 1.0
OD1 A:ASP57 2.4 15.6 1.0
O A:HOH1014 2.4 15.1 1.0
O A:HOH1021 2.5 19.4 1.0
OD2 A:ASP57 2.5 16.0 1.0
CG A:ASP57 2.8 14.9 1.0
CG A:ASP59 3.4 17.8 1.0
C A:GLN61 3.5 13.8 1.0
OD2 A:ASP59 3.8 20.0 1.0
N A:GLN61 4.0 14.2 1.0
O A:HOH1055 4.1 25.6 1.0
CA A:GLN61 4.2 14.9 1.0
N A:ASP59 4.3 15.8 1.0
CB A:ASP57 4.3 13.7 1.0
CB A:GLN61 4.4 18.9 1.0
N A:PHE62 4.5 12.9 1.0
O A:HOH1133 4.6 38.5 1.0
O A:HOH1025 4.6 21.0 1.0
O A:HOH1003 4.6 14.0 1.0
CB A:ASP59 4.6 16.4 1.0
N A:ASN60 4.7 14.6 1.0
OD2 A:ASP67 4.7 14.2 1.0
CA A:PHE62 4.7 13.1 1.0
N A:ALA58 4.8 15.3 1.0
CA A:ASP59 4.8 16.0 1.0
C A:ASP59 4.9 15.4 1.0
O A:HOH1154 5.0 45.8 1.0

Calcium binding site 4 out of 4 in 1kei

Go back to Calcium Binding Sites List in 1kei
Calcium binding site 4 out of 4 in the Thermolysin (Substrate-Free)


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 4 of Thermolysin (Substrate-Free) within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Ca404

b:17.7
occ:1.00
O A:ILE197 2.1 28.9 1.0
O A:TYR193 2.3 16.5 1.0
O A:THR194 2.3 21.6 1.0
OG1 A:THR194 2.3 21.0 1.0
OD1 A:ASP200 2.4 20.0 1.0
O A:HOH1009 2.4 19.4 1.0
O A:HOH1051 2.5 29.3 1.0
C A:THR194 3.2 21.8 1.0
C A:ILE197 3.3 31.5 1.0
C A:TYR193 3.4 17.4 1.0
CG A:ASP200 3.4 19.3 1.0
CB A:THR194 3.4 19.9 1.0
CA A:THR194 3.7 19.6 1.0
OD2 A:ASP200 3.8 21.4 1.0
N A:THR194 3.9 17.7 1.0
CA A:ILE197 4.1 30.9 1.0
CB A:ILE197 4.2 31.9 1.0
N A:PRO195 4.2 23.0 1.0
N A:ILE197 4.2 31.4 1.0
N A:SER198 4.3 31.2 1.0
O A:ASP200 4.4 19.4 1.0
CA A:SER198 4.5 32.0 1.0
CA A:TYR193 4.6 17.0 1.0
O A:GLU190 4.6 15.8 1.0
CA A:PRO195 4.6 25.7 1.0
N A:ASP200 4.6 22.8 1.0
CG2 A:THR194 4.7 21.1 1.0
O A:HOH1067 4.7 35.0 1.0
CB A:ASP200 4.7 20.6 1.0
CB A:TYR193 4.8 18.0 1.0
CD2 A:TYR193 4.8 22.1 1.0
C A:ASP200 4.8 18.9 1.0
CG2 A:ILE197 4.9 31.1 1.0
C A:SER198 4.9 30.9 1.0
C A:PRO195 4.9 27.4 1.0
CA A:ASP200 5.0 20.1 1.0

Reference:

M.Senda, T.Senda, S.Kidokoro. Crystal Structure Analyses of Thermolysin in Complex with Its Inhibitors To Be Published.
Page generated: Sat Dec 12 03:03:40 2020

Last articles

Zn in 8WB0
Zn in 8WAX
Zn in 8WAU
Zn in 8WAZ
Zn in 8WAY
Zn in 8WAV
Zn in 8WAW
Zn in 8WAT
Zn in 8W7M
Zn in 8WD3
© Copyright 2008-2020 by atomistry.com
Home   |    Site Map   |    Copyright   |    Contact us   |    Privacy