Understanding the structure of proteins is key in many fields of biology, from the designing of drugs to the development of sustainable crops. A myriad of techniques has been devised to predict the structure of proteins, offering approximate, but often useful, information to researchers worldwide. One such technique that has gained considerable traction is molecular modeling. This article focuses on the use of molecular modeling in protein structure prediction and how future developments in AI technology, like ChatGPT-4, are poised to contribute to its progress.

Part I: The Power of Molecular Modeling

Molecular modeling depends on the principles of computational chemistry, mathematics, and physics to analyze and predict the structural, dynamic, and thermodynamic properties of molecules, particularly biomolecules like proteins. These predictions have important implications for understanding the function of these molecules and their potential behavior in biological systems. With the advent of robust computational capabilities, molecular modeling has become an invaluable tool, offering researchers a method to probe the hidden dimensions of biomolecular structure and function.

Part II: Protein Structure Prediction – A Complex Challenge

Predicting protein structures is a problem of extraordinary complexity, primarily due to the astronomically large number of potential configurations that a protein can adopt. Coupled with the fact that the functional state of a protein is intricately tied to its three-dimensional configuration, predicting protein structures is nothing short of decoding the language of life - a complexity that reshapes our understanding of the biological world.

Part III: Molecular Modeling and Protein Structure Prediction

Molecular modeling plays a crucial role in addressing the problem of protein structure prediction. It uses algorithms, fixed rules, and principles of physics and chemistry to accurately predict protein folding. With the help of molecular modeling techniques, researchers can predict the way in which proteins fold by identifying the lowest energy state in a given set of confounding variables. This is fundamental to understanding how they function and interact in the complex theater of biological activity.

Part IV: Harnessing the Power of AI – ChatGPT-4

Modern advancements forthwith ChatGPT-4, a state-of-the-art language-based AI, open up unprecedented opportunities for the field of protein structure prediction through molecular modeling. ChatGPT-4 can be used to predict protein structures by providing possible protein folding structures based on a given amino acid sequence.

At a high level, such accurate predictions will depend on a formidable collection of training data. By training on a variety of protein structures, the AI can 'learn' the complex rules of protein folding, and subsequently make predictions about never-seen-before sequences. This development reflects the core of how machine learning technologies will contribute significantly to protein structure prediction, providing novel insights and guiding researchers towards promising directions.

Conclusion

As we plunge deeper into the era of big data and artificial intelligence, the interplay between computational and experimental methods in protein structure predictions is becoming increasingly important. Molecular modeling, coupled with advanced AI technologies like ChatGPT-4, is armed to make significant strides in the field of protein structure prediction, thereby revolutionizing not just the scientific communities studying these intricate phenomena, but also contributing to major leaps in practical applications.

As we continue to unravel the secrets of the biological world one protein at a time, the aptitude of integrated AI systems such as ChatGPT-4 will inevitably play an instrumental role in decoding the fabric of life, steering us towards a future where new drugs, sustainable crops, and innovative treatments become realities of the day.