SIM4

SIM4 aligns spliced cDNA sequences to genomic DNA to identify exon-intron structures while tolerating a small number of sequencing errors.


Key Features:

  • Efficient Alignment: Aligns transcribed and spliced cDNA to genomic DNA while accounting for introns and exon-intron boundaries.
  • Error Tolerance: Allows for a small number of sequencing errors during alignment to maintain robust mapping accuracy.
  • Performance: Processes genomic sequences up to 100 kilobases (kb) within seconds on a standard workstation.

Scientific Applications:

  • Gene Expression Analysis: Maps cDNA to genomic loci to identify gene expression patterns and alternative splicing events.
  • Genomic Annotation: Provides exon-intron structure information to support gene model annotation.
  • Mutation Detection: Enables identification of mutations or variations within transcribed regions through tolerant alignments.

Methodology:

Employs an algorithmic approach that handles intron-exon boundaries in genomic DNA while permitting a small degree of sequencing errors.

Topics

Details

Tool Type:
web application
Operating Systems:
Linux
Added:
5/2/2017
Last Updated:
11/25/2024

Operations

Publications

Florea L, Hartzell G, Zhang Z, Rubin GM, Miller W. A Computer Program for Aligning a cDNA Sequence with a Genomic DNA Sequence. Genome Research. 1998;8(9):967-974. doi:10.1101/gr.8.9.967. PMID:9750195. PMCID:PMC310774.

Documentation