+ @Override
+ public boolean equals(Object that)
+ {
+ if (this == that || that == null)
+ {
+ return true;
+ }
+ if (that instanceof Atom)
+ {
+ Atom other = (Atom) that;
+ return other.resName.equals(this.resName)
+ && other.resNumber == this.resNumber
+ && other.resNumIns.equals(this.resNumIns)
+ && other.chain.equals(this.chain);
+ }
+ return false;
+ }
+