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. 2001 Jan 1;29(1):137–140. doi: 10.1093/nar/29.1.137

Table 1. RefSeq accessions, sequence type, processing method and categories.

Accession format
Type
Method
Category
NC_123456 Genomic Curated Genomic molecules, available in Entrez Genomes (mitochondrion, viral and bacterial genomes, chromosomes)
NT_123456 Genomic Assembled contigs Genome annotation
NM_123456 mRNA Computed Predicted
    Curated Provisional
    Curated Reviewed
NG_123456 Genomic Curated Gene region
NP_123456 Protein Computed; curated Full-length proteins associated with curated nucleotide sequences
       
XM_123456 mRNA Gene prediction Genome annotation
XP_123456 Protein Gene prediction Genome annotation