Reference Assembly Fix Patch Sequence Alignments (chr9_gl339450_fix)
 

Alignment of chr9_gl339450_fix to chr9:

BROWSER | SIZE IDENTITY CHROMOSOME  STRAND    START     END              QUERY      START  END  TOTAL
-----------------------------------------------------------------------------------------------------
browser | 319413   99.9%          9     + 136049442 136369192     chr9_gl339450_fix     1 330164 330164

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Alignment stats:
97 block(s) covering 319413 bases
318913 matching bases (99.84%)
500 mismatching bases (0.16%)
0 N bases(0.00%)
338 bases inserted in chr9
10751 bases inserted in chr9_gl339450_fix
Related tracks

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Data last updated at UCSC: 2018-11-06


p13 Note: Includes annotations on GRCh38.p13 patch sequences

Description

This track shows alignments of fix patch sequences to main chromosome sequences in the reference genome assembly. When errors are corrected in the reference genome assembly, the Genome Reference Consortium (GRC) adds fix patch sequences containing the corrected regions. This strikes a balance between providing the most complete and correct genome sequence, while maintaining stable chromosome coordinates for the original assembly sequences.

Fix patches are often associated with incident reports displayed in the GRC Incidents track.

Display Conventions and Configuration

This track follows the display conventions for PSL alignment tracks. Mismatching bases are highlighted in red. Several types of alignment gap may also be colored; for more information, see Alignment Insertion/Deletion Display Options.

Credits

The alignments were provided by NCBI as GFF files and translated into the PSL representation for browser display by UCSC.