mannosidase, alpha, class 2B, member 1 (MAN2B1) - coding DNA reference sequence

(used for variant description)

(last modified November 18, 2025)


This file was created to facilitate the description of sequence variants on transcript NM_000528.3 in the MAN2B1 gene based on a coding DNA reference sequence following the HGVS recommendations.

The sequence was taken from NC_000019.9, covering MAN2B1 transcript NM_000528.3.


Please note that introns are available by clicking on the exon numbers above the sequence.
 (upstream sequence)
                                                   .                g.5016
                                             cccggccgggtctggg       c.-61

 .         .         .         .         .         .                g.5076
 ggcggggcgtttgcccggcctttccagggccggggaaccccaggaggaagctgctgagcc       c.-1

          .         .         .         .         .         .       g.5136
 ATGGGCGCCTACGCGCGGGCTTCGGGGGTCTGCGCTCGCGGCTGCCTGGACTCAGCAGGC       c.60
 M  G  A  Y  A  R  A  S  G  V  C  A  R  G  C  L  D  S  A  G         p.20

          .         .         .         .         .         .       g.5196
 CCCTGGACCATGTCCCGCGCCCTGCGGCCACCGCTCCCGCCTCTCTGCTTTTTCCTTTTG       c.120
 P  W  T  M  S  R  A  L  R  P  P  L  P  P  L  C  F  F  L  L         p.40

          .         .         .          | 02        .         .    g.5993
 TTGCTGGCGGCTGCCGGTGCTCGGGCCGGGGGATACGAG | ACATGCCCCACAGTGCAGCCG    c.180
 L  L  A  A  A  G  A  R  A  G  G  Y  E   | T  C  P  T  V  Q  P      p.60

          .         .         .         .         .         .       g.6053
 AACATGCTGAACGTGCACCTGCTGCCTCACACACATGATGACGTGGGCTGGCTCAAAACC       c.240
 N  M  L  N  V  H  L  L  P  H  T  H  D  D  V  G  W  L  K  T         p.80

          .         .   | 03     .         .         .         .    g.6290
 GTGGACCAGTACTTTTATGGAA | TCAAGAATGACATCCAGCACGCCGGTGTGCAGTACATC    c.300
 V  D  Q  Y  F  Y  G  I |   K  N  D  I  Q  H  A  G  V  Q  Y  I      p.100

          .         .         .         .         .         .       g.6350
 CTGGACTCGGTCATCTCTGCCTTGCTGGCAGATCCCACCCGTCGCTTCATTTACGTGGAG       c.360
 L  D  S  V  I  S  A  L  L  A  D  P  T  R  R  F  I  Y  V  E         p.120

          .         .         .         .         .         .       g.6410
 ATTGCCTTCTTCTCCCGTTGGTGGCACCAGCAGACAAATGCCACACAGGAAGTCGTGCGA       c.420
 I  A  F  F  S  R  W  W  H  Q  Q  T  N  A  T  Q  E  V  V  R         p.140

          .       | 04 .         .         .         .         .    g.6836
 GACCTTGTGCGCCAGG | GGCGCCTGGAGTTCGCCAATGGTGGCTGGGTGATGAACGATGAG    c.480
 D  L  V  R  Q  G |   R  L  E  F  A  N  G  G  W  V  M  N  D  E      p.160

          .         .         .         .         .         .       g.6896
 GCAGCCACCCACTACGGTGCCATCGTGGACCAGATGACACTTGGGCTGCGCTTTCTGGAG       c.540
 A  A  T  H  Y  G  A  I  V  D  Q  M  T  L  G  L  R  F  L  E         p.180

          .         .         .         .         .         .       g.6956
 GACACATTTGGCAATGATGGGCGACCCCGTGTGGCCTGGCACATTGACCCCTTCGGCCAC       c.600
 D  T  F  G  N  D  G  R  P  R  V  A  W  H  I  D  P  F  G  H         p.200

          .         .         . | 05       .         .         .    g.7972
 TCTCGGGAGCAGGCCTCGCTGTTTGCGCAG | ATGGGCTTCGACGGCTTCTTCTTTGGGCGC    c.660
 S  R  E  Q  A  S  L  F  A  Q   | M  G  F  D  G  F  F  F  G  R      p.220

          .         .         .         .         .         .       g.8032
 CTTGATTATCAAGATAAGTGGGTACGGATGCAGAAGCTGGAGATGGAGCAGGTGTGGCGG       c.720
 L  D  Y  Q  D  K  W  V  R  M  Q  K  L  E  M  E  Q  V  W  R         p.240

          .         .         .         .    | 06    .         .    g.8332
 GCCAGCACCAGCCTGAAGCCCCCGACCGCGGACCTCTTCACTG | GTGTGCTTCCCAATGGT    c.780
 A  S  T  S  L  K  P  P  T  A  D  L  F  T  G |   V  L  P  N  G      p.260

          .         .         .         .         .         .       g.8392
 TACAACCCGCCAAGGAATCTGTGCTGGGATGTGCTGTGTGTCGATCAGCCGCTGGTGGAG       c.840
 Y  N  P  P  R  N  L  C  W  D  V  L  C  V  D  Q  P  L  V  E         p.280

          .         .         .         .         .         .       g.8452
 GACCCTCGCAGCCCCGAGTACAACGCCAAGGAGCTGGTCGATTACTTCCTAAATGTGGCC       c.900
 D  P  R  S  P  E  Y  N  A  K  E  L  V  D  Y  F  L  N  V  A         p.300

           | 07        .         .         .         .         .    g.10452
 ACTGCCCAG | GGCCGGTATTACCGCACCAACCACACTGTGATGACCATGGGCTCGGACTTC    c.960
 T  A  Q   | G  R  Y  Y  R  T  N  H  T  V  M  T  M  G  S  D  F      p.320

          .         .         .         .         .         .       g.10512
 CAATATGAGAATGCCAACATGTGGTTCAAGAACCTTGACAAGCTCATCCGGCTGGTAAAT       c.1020
 Q  Y  E  N  A  N  M  W  F  K  N  L  D  K  L  I  R  L  V  N         p.340

        | 08 .         .         .         .         .         .    g.13321
 GCGCAG | CAGGCAAAAGGAAGCAGTGTCCATGTTCTCTACTCCACCCCCGCTTGTTACCTC    c.1080
 A  Q   | Q  A  K  G  S  S  V  H  V  L  Y  S  T  P  A  C  Y  L      p.360

          .         .          | 09        .         .         .    g.13464
 TGGGAGCTGAACAAGGCCAACCTCACCTG | GTCAGTGAAACATGACGACTTCTTCCCTTAC    c.1140
 W  E  L  N  K  A  N  L  T  W  |  S  V  K  H  D  D  F  F  P  Y      p.380

          .         .         .         .         .         .       g.13524
 GCGGATGGCCCCCACCAGTTCTGGACCGGTTACTTTTCCAGTCGGCCGGCCCTCAAACGC       c.1200
 A  D  G  P  H  Q  F  W  T  G  Y  F  S  S  R  P  A  L  K  R         p.400

          .         .         . | 10       .         .         .    g.13666
 TACGAGCGCCTCAGCTACAACTTCCTGCAG | GTGTGCAACCAGCTGGAGGCGCTGGTGGGC    c.1260
 Y  E  R  L  S  Y  N  F  L  Q   | V  C  N  Q  L  E  A  L  V  G      p.420

          .         .         .         .          | 11        .    g.14233
 CTGGCGGCCAACGTGGGACCCTATGGCTCCGGAGACAGTGCACCCCTCA | ATGAGGCGATG    c.1320
 L  A  A  N  V  G  P  Y  G  S  G  D  S  A  P  L  N |   E  A  M      p.440

          .         .         .         .         .         .       g.14293
 GCTGTGCTCCAGCATCACGACGCCGTCAGCGGCACCTCCCGCCAGCACGTGGCCAACGAC       c.1380
 A  V  L  Q  H  H  D  A  V  S  G  T  S  R  Q  H  V  A  N  D         p.460

          .         .         .          | 12        .         .    g.14742
 TACGCGCGCCAGCTTGCGGCAGGCTGGGGGCCTTGCGAG | GTTCTTCTGAGCAACGCGCTG    c.1440
 Y  A  R  Q  L  A  A  G  W  G  P  C  E   | V  L  L  S  N  A  L      p.480

          .         .         .         .         .         .       g.14802
 GCGCGGCTCAGAGGCTTCAAAGATCACTTCACCTTTTGCCAACAGCTAAACATCAGCATC       c.1500
 A  R  L  R  G  F  K  D  H  F  T  F  C  Q  Q  L  N  I  S  I         p.500

          .         .        | 13.         .         .         .    g.15123
 TGCCCGCTCAGCCAGACGGCGGCGCGC | TTCCAGGTCATCGTTTATAATCCCCTGGGGCGG    c.1560
 C  P  L  S  Q  T  A  A  R   | F  Q  V  I  V  Y  N  P  L  G  R      p.520

          .         .         .         .         .         .       g.15183
 AAGGTGAATTGGATGGTACGGCTGCCGGTCAGCGAAGGCGTTTTCGTTGTGAAGGACCCC       c.1620
 K  V  N  W  M  V  R  L  P  V  S  E  G  V  F  V  V  K  D  P         p.540

          .         .     | 14   .         .         .         .    g.15934
 AATGGCAGGACAGTGCCCAGCGAT | GTGGTAATATTTCCCAGCTCAGACAGCCAGGCGCAC    c.1680
 N  G  R  T  V  P  S  D   | V  V  I  F  P  S  S  D  S  Q  A  H      p.560

          .         .         .         .         .         .       g.15994
 CCTCCGGAGCTGCTGTTCTCAGCCTCACTGCCCGCCCTGGGCTTCAGCACCTATTCAGTA       c.1740
 P  P  E  L  L  F  S  A  S  L  P  A  L  G  F  S  T  Y  S  V         p.580

          .         .         .         .         .         .       g.16054
 GCCCAGGTGCCTCGCTGGAAGCCCCAGGCCCGCGCACCACAGCCCATCCCCAGAAGATCC       c.1800
 A  Q  V  P  R  W  K  P  Q  A  R  A  P  Q  P  I  P  R  R  S         p.600

          .         .         . | 15       .         .         .    g.19347
 TGGTCCCCTGCTTTAACCATCGAAAATGAG | CACATCCGGGCAACGTTTGATCCTGACACA    c.1860
 W  S  P  A  L  T  I  E  N  E   | H  I  R  A  T  F  D  P  D  T      p.620

          .         .         .         .         .         .       g.19407
 GGGCTGTTGATGGAGATTATGAACATGAATCAGCAACTCCTGCTGCCTGTTCGCCAGACC       c.1920
 G  L  L  M  E  I  M  N  M  N  Q  Q  L  L  L  P  V  R  Q  T         p.640

          | 16         .         .         .         .         .    g.19559
 TTCTTCTG | GTACAACGCCAGTATAGGTGACAACGAAAGTGACCAGGCCTCAGGTGCCTAC    c.1980
 F  F  W  |  Y  N  A  S  I  G  D  N  E  S  D  Q  A  S  G  A  Y      p.660

          .         .         .         .         .         .       g.19619
 ATCTTCAGACCCAACCAACAGAAACCGCTGCCTGTGAGCCGCTGGGCTCAGATCCACCTG       c.2040
 I  F  R  P  N  Q  Q  K  P  L  P  V  S  R  W  A  Q  I  H  L         p.680

        | 17 .         .         .         .         .         .    g.21609
 GTGAAG | ACACCCTTGGTGCAGGAGGTGCACCAGAACTTCTCAGCTTGGTGTTCCCAGGTG    c.2100
 V  K   | T  P  L  V  Q  E  V  H  Q  N  F  S  A  W  C  S  Q  V      p.700

          .         .         .         .         .         .       g.21669
 GTTCGCCTGTACCCAGGACAGCGGCACCTGGAGCTAGAGTGGTCGGTGGGGCCGATACCT       c.2160
 V  R  L  Y  P  G  Q  R  H  L  E  L  E  W  S  V  G  P  I  P         p.720

       | 18  .         .         .         .         .         .    g.21818
 GTGGG | CGACACCTGGGGGAAGGAGGTCATCAGCCGTTTTGACACACCGCTGGAGACAAAG    c.2220
 V  G  |  D  T  W  G  K  E  V  I  S  R  F  D  T  P  L  E  T  K      p.740

          .         .         .         .        | 19.         .    g.22362
 GGACGCTTCTACACAGACAGCAATGGCCGGGAGATCCTGGAGAGGAG | GCGGGATTATCGA    c.2280
 G  R  F  Y  T  D  S  N  G  R  E  I  L  E  R  R  |  R  D  Y  R      p.760

          .         .         .         .         .         .       g.22422
 CCCACCTGGAAACTGAACCAGACGGAGCCCGTGGCAGGAAACTACTATCCAGTCAACACC       c.2340
 P  T  W  K  L  N  Q  T  E  P  V  A  G  N  Y  Y  P  V  N  T         p.780

          .      | 20  .         .         .         .         .    g.22606
 CGGATTTACATCACG | GATGGAAACATGCAGCTGACTGTGCTGACTGACCGCTCCCAGGGG    c.2400
 R  I  Y  I  T   | D  G  N  M  Q  L  T  V  L  T  D  R  S  Q  G      p.800

          .         .         .       | 21 .         .         .    g.23399
 GGCAGCAGCCTGAGAGATGGCTCGCTGGAGCTCATG | GTGCACCGAAGGCTGCTGAAGGAC    c.2460
 G  S  S  L  R  D  G  S  L  E  L  M   | V  H  R  R  L  L  K  D      p.820

          .         .         .         .         .         .       g.23459
 GATGGACGCGGAGTATCGGAGCCACTAATGGAGAACGGGTCGGGGGCGTGGGTGCGAGGG       c.2520
 D  G  R  G  V  S  E  P  L  M  E  N  G  S  G  A  W  V  R  G         p.840

          .         .         .         .         .         .       g.23519
 CGCCACCTGGTGCTGCTGGACACAGCCCAGGCTGCAGCCGCCGGACACCGGCTCCTGGCG       c.2580
 R  H  L  V  L  L  D  T  A  Q  A  A  A  A  G  H  R  L  L  A         p.860

          .         .         .         .         .         .       g.23579
 GAGCAGGAGGTCCTGGCCCCTCAGGTGGTGCTGGCCCCGGGTGGCGGCGCCGCCTACAAT       c.2640
 E  Q  E  V  L  A  P  Q  V  V  L  A  P  G  G  G  A  A  Y  N         p.880

          .         .     | 22   .         .         .         .    g.24215
 CTCGGGGCTCCTCCGCGCACGCAG | TTCTCAGGGCTGCGCAGGGACCTGCCGCCCTCGGTG    c.2700
 L  G  A  P  P  R  T  Q   | F  S  G  L  R  R  D  L  P  P  S  V      p.900

          .         .         .         .         .         .       g.24275
 CACCTGCTCACGCTGGCCAGCTGGGGCCCCGAAATGGTGCTGCTGCGCTTGGAGCACCAG       c.2760
 H  L  L  T  L  A  S  W  G  P  E  M  V  L  L  R  L  E  H  Q         p.920

          .         .         .         .         .         .       g.24335
 TTTGCCGTAGGAGAGGATTCCGGACGTAACCTGAGCGCCCCCGTTACCTTGAACTTGAGG       c.2820
 F  A  V  G  E  D  S  G  R  N  L  S  A  P  V  T  L  N  L  R         p.940

  | 23       .         .         .         .         .         .    g.24502
  | GACCTGTTCTCCACCTTCACCATCACCCGCCTGCAGGAGACCACGCTGGTGGCCAACCAG    c.2880
  | D  L  F  S  T  F  T  I  T  R  L  Q  E  T  T  L  V  A  N  Q      p.960

          .         .         .         .    | 24    .         .    g.25062
 CTCCGCGAGGCAGCCTCCAGGCTCAAGTGGACAACAAACACAG | GCCCCACACCCCACCAA    c.2940
 L  R  E  A  A  S  R  L  K  W  T  T  N  T  G |   P  T  P  H  Q      p.980

          .         .         .         .         .         .       g.25122
 ACTCCGTACCAGCTGGACCCGGCCAACATCACGCTGGAACCCATGGAAATCCGCACTTTC       c.3000
 T  P  Y  Q  L  D  P  A  N  I  T  L  E  P  M  E  I  R  T  F         p.1000

          .         .         .                                     g.25158
 CTGGCCTCAGTTCAATGGAAGGAGGTGGATGGTTAG                               c.3036
 L  A  S  V  Q  W  K  E  V  D  G  X                                 p.1011

          .         .         .         .         .         .       g.25218
 gtctgctgggatgggccctccaagcccaagcctcctgctccgggggcagaccagactctg       c.*60

          .         .         .         .         .                 g.25270
 actctcctcttggggctgctgccattaaaacgctactactaagactcaggtc               c.*112

 (downstream sequence)
Legend:
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 Mannosidase, alpha, class 2B, member 1 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 variants, 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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