hemoglobin subunit beta (HBB) - coding DNA reference sequence

(used for mutation description)

(last modified December 16, 2017)

This file was created to facilitate the description of sequence variants in the HBB gene based on a coding DNA reference sequence following the HGVS recommendations.

The sequence was taken from NG_000007.3, covering HBB transcript NM_000518.4.

Please note that introns are available by clicking on the exon numbers above the sequence.
 (upstream sequence)
           .         .         .         .         .                g.5050
           acatttgcttctgacacaactgtgttcactagcaacctcaaacagacacc       c.-1

          .         .         .         .         .         .       g.5110
  M  V  H  L  T  P  E  E  K  S  A  V  T  A  L  W  G  K  V  N        p.20

          .         .         .   | 02     .         .         .    g.5300
  V  D  E  V  G  G  E  A  L  G  R |   L  L  V  V  Y  P  W  T  Q     p.40

          .         .         .         .         .         .       g.5360
  R  F  F  E  S  F  G  D  L  S  T  P  D  A  V  M  G  N  P  K        p.60

          .         .         .         .         .         .       g.5420
  V  K  A  H  G  K  K  V  L  G  A  F  S  D  G  L  A  H  L  D        p.80

          .         .         .         .         .         .       g.5480
  N  L  K  G  T  F  A  T  L  S  E  L  H  C  D  K  L  H  V  D        p.100

          .      | 03  .         .         .         .         .    g.6390
  P  E  N  F  R  |  L  L  G  N  V  L  V  C  V  L  A  H  H  F  G     p.120

          .         .         .         .         .         .       g.6450
  K  E  F  T  P  P  V  Q  A  A  Y  Q  K  V  V  A  G  V  A  N        p.140

          .         .                                               g.6474
 GCCCTGGCCCACAAGTATCACTAA                                           c.444
  A  L  A  H  K  Y  H  X                                            p.147

          .         .         .         .         .         .       g.6534
 gctcgctttcttgctgtccaatttctattaaaggttcctttgttccctaagtccaactac       c.*60

          .         .         .         .         .         .       g.6594
 taaactgggggatattatgaagggccttgagcatctggattctgcctaataaaaaacatt       c.*120

          .                                                         g.6608
 tattttcattgcaa                                                     c.*134

 (downstream sequence)
Nucleotide numbering (following the rules of the HGVS for a 'Coding DNA Reference Sequence') is indicated at the right of the sequence, counting the A of the ATG translation initiating Methionine as 1. Every 10th nucleotide is indicated by a "." above the sequence. The Hemoglobin subunit beta protein sequence is shown below the coding DNA sequence, with numbering indicated at the right starting with 1 for the translation initiating Methionine. Every 10th amino acid is shown in bold. The position of introns is indicated by a vertical line, splitting the two exons. The start of the first exon (transcription initiation site) is indicated by a '\', the end of the last exon (poly-A addition site) by a '/'. The exon number is indicated above the first nucleotide(s) of the exon. To aid the description of frame shift mutations, all stop codons in the +1 frame are shown in bold while all stop codons in the +2 frame are underlined.

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