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Muconate Cycloisomerase shows preference on manganese(II) over the magnesium ion to perform. Its coordination sphere is similar to the one found in chloromuconate cycloisomerase, with two aspartates and a glutamate.
TEST PROTEIN | |
Protein | Muconate Cycloisomerase |
PDB Code | 3CT2 |
Crystallographic Resolution | 1.80 Å |
Organism | Pseudomonas protegens Pf-5 |
[Sakai, 2009] |
BOND | Kl / kcal mol-1 Å-2 | l / Å | REFERENCE |
M1-D1 | 87.24 | 2.1060 | [Neves, 2013] |
M1-D2 | 67.69 | 2.1358 | |
M1-E1 | 64.66 | 2.1182 | |
M1-W1 | 37.55 | 2.2668 | |
M1-W2 | 21.70 | 2.3891 | |
M1-W3 | 26.88 | 2.3509 | |
D1-C | 656.0 | 1.25 | |
D2-C | 656.0 | 1.25 | |
E1-C | 656.0 | 1.25 | |
W1-HM | 553.0 | 0.9572 | |
W2-HM | 553.0 | 0.9572 | |
W3-HM | 553.0 | 0.9572 |
ANGLE | Kθ / kcal mol-1 rad-2 | θ / deg | REFERENCE |
D1-M1-D2 | 34.80 | 166.2571 | [Neves, 2013] |
D1-M1-E1 | 36.67 | 98.6591 | |
D1-M1-W1 | 64.83 | 84.6089 | |
D1-M1-W2 | 28.655 | 100.2850 | |
D1-M1-W3 | 12.63 | 104.2522 | |
D2-M1-E1 | 52.68 | 94.9867 | |
D2-M1-W1 | 51.096 | 88.2121 | |
D2-M1-W2 | 70.4 | 68.8061 | |
D2-M1-W3 | 15.15 | 83.2134 | |
E1-M1-W1 | 28.47 | 108.9767 | |
E1-M1-W2 | 27.038 | 151.2138 | |
E1-M1-W3 | 78.1 | 70.7310 | |
W1-M1-W2 | 22.205 | 95.5613 | |
W1-M1-W3 | 11.62 | 171.1984 | |
W2-M1-W3 | 24.74 | 84.5113 | |
M1-D1-C | 42.921 | 132.3478 | |
M1-D2-C | 38.71 | 134.0663 | |
M1-E1-C | 14.90 | 132.1818 | |
M1-W1-HM | 19.45 | 110.5423 | |
M1-W2-HM | 13.29 | 96.8796 | |
M1-W3-HM | 14.52 | 88.2507 | |
HM-W1-HM | 100.0 | 104.52 | |
HM-W2-HM | 100.0 | 104.52 | |
HM-W3-HM | 100.0 | 104.52 | |
D1-C-CT | 70.0 | 117.0 | |
D1-C-O2 | 80.0 | 126.0 | |
D2-C-CT | 70.0 | 117.0 | |
D2-C-O2 | 80.0 | 126.0 | |
E1-C-CT | 70.0 | 117.0 | |
E1-C-O2 | 80.0 | 126.0 |
ATOM TYPE | Ri / Å | εi / kcal mol-1 | REFERENCE |
M1 | 1.4544 | 0.03 | [Babu, 2006] |
D1 | 1.6612 | 0.21 | |
D2 | 1.6612 | 0.21 | |
E1 | 1.6612 | 0.21 | |
W1 | 1.7683 | 0.152 | |
W2 | 1.7683 | 0.152 | |
W3 | 1.7683 | 0.152 | |
HM | 0.6000 | 0.0157 | [Cornell, 1995] |
BOND | l0 crystal | l0 opt | ‹l›MD ± σ(l) | ‹l›MD ± 2σ(l) |
M1-D1 | 2.10 | 2.11 | 2.22 ± 0.06 | [2.162; 2.279] |
M1-D2 | 2.16 | 2.14 | 2.26 ± 0.06 | [2.194; 2.324] |
M1-E1 | 2.00 | 2.12 | 2.14 ± 0.07 | [2.076; 2.212] |
M1-W1 | 2.03 | 2.27 | 2.28 ± 0.09 | [2.184; 2.370] |
M1-W2 | 1.94 | 2.39 | 2.4 ± 0.1 | [2.295; 2.536] |
M1-W3 | 1.97 | 2.35 | 2.3 ± 0.1 | [2.225; 2.443] |
ANGLE | θ0 crystal | θ0 QM | ‹θ›MD ± σ(θ) | ‹θ›MD ± 2σ(θ) |
D1-M1-D2 | 175.3 | 166.3 | 168 ± 4 | [160.5; 174.6] |
D1-M1-E1 | 89.4 | 98.7 | 98 ± 4 | [90.0; 106.0] |
D1-M1-W1 | 93.4 | 84.6 | 87 ± 4 | [78.7; 95.2] |
D1-M1-W2 | 94.1 | 100.3 | 103 ± 5 | [93.4; 112.2] |
D1-M1-W3 | 89.6 | 104.3 | 106 ± 6 | [94.1; 118.1] |
D2-M1-E1 | 94.2 | 95.0 | 93 ± 4 | [85.3; 100.0] |
D2-M1-W1 | 88.8 | 88.2 | 88 ± 4 | [80.4; 96.5] |
D2-M1-W2 | 81.9 | 68.8 | 68 ± 3 | [61.3; 74.6] |
D2-M1-W3 | 86.6 | 83.2 | 78 ± 5 | [67.5; 88.9] |
E1-M1-W1 | 102.9 | 109.0 | 112 ± 5 | [102.6; 121.9] |
E1-M1-W2 | 169.8 | 151.2 | 146 ± 4 | [138.1; 153.5] |
E1-M1-W3 | 102.8 | 70.7 | 69 ± 3 | [62.4; 75.8] |
W1-M1-W2 | 86.5 | 94.6 | 95 ± 5 | [85.4; 104.9] |
W1-M1-W3 | 154.2 | 171.2 | 165 ± 5 | [155.6; 175.3] |
W2-M1-W3 | 67.7 | 84.5 | 80 ± 5 | [70.5; 89.0] |
Parameter File | .frcmod |
Coordination Sphere Charges | .off |
Muconate Cycloisomerase’s PDB File (3CT2.pdb) LEAPRC file | .pdb, leaprc |
Neves, R.P.P.; Sousa, S.F.; Fernandes, P.A.; Ramos, M.J.. Parameters for Molecular Dynamics Simulations of Manganese-Containing Metalloproteins . J. Chem. Theory Comput., 2013, 9 (6), 2718–2732