IHEC-RAAC

IHEC-RAAC predicts and classifies human enzymes by encoding protein sequences with reduced amino acid cluster (RAAC)-based feature vectors to enable enzyme identification and functional class discrimination.


Key Features:

  • Feature Extraction via RAAC: Encodes protein sequences using a reduced amino acid cluster feature-vector derived from 673 amino acid reduction alphabets.
  • Predictive Accuracy: Reports 74.66% accuracy for human enzyme identification and 54.78% accuracy for enzyme class discrimination, with improvements of 2.06% and 8.68% over prior predictors, respectively.
  • Validation and Reliability: Performance assessed through tenfold cross-validation and validation on independent datasets.

Scientific Applications:

  • Enzyme Identification: Identification of human enzymes from protein sequence data.
  • Enzyme Class Discrimination: Classification of enzymes into functional classes for annotation and analysis.
  • Metabolic and Physiological Studies: Support for investigations of metabolic processes, nutritional pathways, and energy conversion mechanisms.
  • Disease-related Research: Aid in detecting enzyme anomalies relevant to disease diagnosis and molecular pathology studies.

Methodology:

Protein sequences are encoded using RAAC-derived feature-vectors based on 673 amino acid reduction alphabets, with predictive performance evaluated by tenfold cross-validation and independent-dataset validation.

Topics

Details

Tool Type:
web application
Added:
3/19/2021
Last Updated:
3/31/2021

Operations

Publications

Wang H, Xi Q, Liang P, Zheng L, Hong Y, Zuo Y. IHEC_RAAC: a online platform for identifying human enzyme classes via reduced amino acid cluster strategy. Amino Acids. 2021;53(2):239-251. doi:10.1007/s00726-021-02941-9. PMID:33486591.

PMID: 33486591
Funding: - Innovative Research Group Project of the National Natural Science Foundation of China: 61702290 - Research Program of Science and Technology at Universities of Inner Mongolia Autonomous Region: NJYT-18-B01 - Nanhu Scholars Program for Young Scholars of Xinyang Normal University: 2017JQ04

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