# Hydration of CO_2 by carbonic anhydrase to form bicarbonate and proton, taken from Crampin and Smith 2006 # Return kinetic parameters, constraints, and vector of volumes in each # compartment (pL) (1 if gating variable, or in element corresponding to # kappa) import numpy as np def kinetic_parameters(M, include_type2_reactions, dims, V): # Set the kinetic rate constants num_cols = dims['num_cols'] num_rows = dims['num_rows'] fkc = 1e6 # dissociation constants for A+B>C where Kd = k-/k+ # K_H is given as pK_H. K_H = 10^(-pK_H) kr = [0.365 ] # [=] 1/s kf = [0.48e6] # [=] 1/s k_kinetic = kf + kr # CONSTRAINTS N_cT = [] K_C = [] # volume vector # W = list(np.append([1] * num_cols, [V['V_myo']] * num_rows)) W = [1] * num_cols + [V['V_myo']]*num_rows return (k_kinetic, N_cT, K_C, W)