InitalCommit

2025-11-16 10:30:26 +01:00
parent 8b0b73bba8
commit d2e409d10f
73 changed files with 3209 additions and 0 deletions
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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace BaseCellSimulation.Enzyms.Membrane
+{
+    // ----------------------------------------------------------
+    // 3. PMCA – Ca²⁺-ATPase (Ca raus, ATP-abhängig)
+    // ----------------------------------------------------------
+    public class PMCA : MembranEnzyme
+    {
+        public double ATPperCycle = 1.0;
+
+        public override void ComputeRate(double caCyt, EnviromentState env)
+        {
+            // klassisch: Michaelis-Menten mit Ca²⁺-Abhängigkeit
+            rate = Michaelis_Menten(caCyt, Vmax, Km);
+        }
+
+        public override void ApplyChanges(CellRessources res, double dt)
+        {
+            double flux = rate * dt;
+            double atpNeeded = flux * ATPperCycle;
+
+            if (res.Res.Energy.ATP < atpNeeded) flux *= res.Res.Energy.ATP / atpNeeded;
+
+            res.Res.Ca.CytosolicCa -= flux;    // Ca raus
+            res.Env.Ca += flux;
+            res.ConsumeATP(atpNeeded);
+        }
+
+        public override double CalculateGradient(CellRessources res)
+        {
+            return res.Res.Ca.CytosolicCa; // PMCA is not driven by a concentration gradient
+        }
+    }
+}