Unity3D: Rotate specific angle

ExampleRotate.cs

using UnityEngine;
using System.Collections;

namespace Opendream {

	public class ExampleRotate : MonoBehaviour {
		
		public Transform m_Transform;
		
		public Vector3 angle;
		
		private void Update() {
			if (m_Transform == null) return;

			UpdateRotationX();
			UpdateRotationY();
			UpdateRotationZ();
		}
		
		private void UpdateRotationX() {
			Quaternion newRotation = Quaternion.AngleAxis(angle.x, Vector3.right);
			m_Transform.rotation = new Quaternion(newRotation.x, m_Transform.rotation.y, m_Transform.rotation.z, m_Transform.rotation.w);
		}
		
		private void UpdateRotationY() {
			Quaternion newRotation = Quaternion.AngleAxis(angle.y, Vector3.up);
			m_Transform.rotation = new Quaternion(m_Transform.rotation.x, newRotation.y, m_Transform.rotation.z, m_Transform.rotation.w);
		}
		
		private void UpdateRotationZ() {
			Quaternion newRotation = Quaternion.AngleAxis(angle.z, Vector3.back);
			m_Transform.rotation = new Quaternion(m_Transform.rotation.x, m_Transform.rotation.y, newRotation.z, m_Transform.rotation.w);
		}
	}

}