LOCUS       AH002636                5523 bp    DNA     linear   HUM 01-AUG-2016
DEFINITION  Homo sapiens glycoprotein CD28 (CD28) gene, complete cds,
            alternatively spliced.
ACCESSION   AH002636 M37812 M37813 M37814 M37815
VERSION     AH002636.2
KEYWORDS    glycoprotein CD28.
SOURCE      Homo sapiens (human)
  ORGANISM  Homo sapiens
            Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi;
            Mammalia; Eutheria; Euarchontoglires; Primates; Haplorrhini;
            Catarrhini; Hominidae; Homo.
REFERENCE   1  (bases 1 to 5523)
  AUTHORS   Lee,K.P., Taylor,C., Petryniak,B., Turka,L.A., June,C.H. and
            Thompson,C.B.
  TITLE     The genomic organization of the CD28 gene. Implications for the
            regulation of CD28 mRNA expression and heterogeneity
  JOURNAL   J. Immunol. 145 (1), 344-352 (1990)
   PUBMED   2162892
COMMENT     On or before Aug 1, 2016 this sequence version replaced M37812.1,
            M37813.1, M37814.1, M37815.1, AH002636.1.
FEATURES             Location/Qualifiers
     source          1..5523
                     /organism="Homo sapiens"
                     /mol_type="genomic DNA"
                     /db_xref="taxon:9606"
                     /map="2q33-q34"
     mobile_element  91..362
                     /mobile_element_type="SINE:Alu"
     misc_feature    500..507
                     /note="AP1-like element"
     gene            539..5462
                     /gene="CD28"
     mRNA            join(539..812,1149..1505,1853..1977,2415..5462)
                     /gene="CD28"
                     /product="glycoprotein CD28"
                     /note="G00-118-765"
     mRNA            join(539..812,1149..1505,1853..1977,2415..3296)
                     /gene="CD28"
                     /note="G00-118-765"
     exon            539..812
                     /gene="CD28"
                     /note="number 1; G00-118-765"
     CDS             join(761..812,1149..1505,1853..1977,2415..2543)
                     /gene="CD28"
                     /codon_start=1
                     /product="glycoprotein CD28"
                     /protein_id="AAA51944.1"
                     /translation="MLRLLLALNLFPSIQVTGNKILVKQSPMLVAYDNAVNLSCKYSY
                     NLFSREFRASLHKGLDSAVEVCVVYGNYSQQLQVYSKTGFNCDGKLGNESVTFYLQNL
                     YVNQTDIYFCKIEVMYPPPYLDNEKSNGTIIHVKGKHLCPSPLFPGPSKPFWVLVVVG
                     GVLACYSLLVTVAFIIFWVRSKRSRLLHSDYMNMTPRRPGPTRKHYQPYAPPRDFAAY
                     RS"
     CDS             join(761..812,1149..1214,1467..1505,1853..1977,2415..2543)
                     /gene="CD28"
                     /note="deleted form"
                     /codon_start=1
                     /product="glycoprotein CD28"
                     /protein_id="AAA51945.1"
                     /db_xref="GDB:G00-118-765"
                     /translation="MLRLLLALNLFPSIQVTGNKILVKQSPMLVAYDNAVNLSYNEKS
                     NGTIIHVKGKHLCPSPLFPGPSKPFWVLVVVGGVLACYSLLVTVAFIIFWVRSKRSRL
                     LHSDYMNMTPRRPGPTRKHYQPYAPPRDFAAYRS"
     intron          order(813..984,1085..1148)
                     /gene="CD28"
                     /note="G00-118-765"
                     /number=1
     gap             985..1084
                     /estimated_length=unknown
     exon            1149..1505
                     /gene="CD28"
                     /note="G00-118-765"
                     /number=2
     intron          order(1506..1626,1727..1852)
                     /gene="CD28"
                     /note="G00-118-765"
                     /number=2
     gap             1627..1726
                     /estimated_length=unknown
     exon            1853..1977
                     /gene="CD28"
                     /note="G00-118-765"
                     /number=3
     intron          order(1978..2193,2294..2414)
                     /gene="CD28"
                     /note="number 3; G00-118-765"
                     /number=3
     gap             2194..2293
                     /estimated_length=unknown
     exon            2415..5462
                     /gene="CD28"
                     /note="number 4"
                     /number=4
     exon            2415..3296
                     /gene="CD28"
                     /note="number 4"
                     /number=4
     regulatory      3284..3289
                     /regulatory_class="polyA_signal_sequence"
                     /gene="CD28"
                     /note="G00-118-765"
     mobile_element  3367..3650
                     /mobile_element_type="SINE:Alu"
BASE COUNT         1424 a         1064 c         1118 g         1617 t
ORIGIN      
        1 ccctttcctt ttttctctct ccccttcctt ccttctttcc ttcttttctt ttcttttctt
       61 ttctttctct ctttctttct gtctttcttt tctcattctg ttgccctggc tggagtgcag
      121 tggcatgatc tcggctcata gcagcctcca cctcctgggt tcaagcgatt ctcctgcctt
      181 agccctccct agtagctgga ttacaggtac ccaccatgat gcctggctaa ttttttgtat
      241 tttcaatgga gacggggttt caccatgttg gccaggctcg tcttgacctc ctggcctcaa
      301 atgatccacc cactttggcc tcccaaattg ctggcattac aggcgtgagc cactgcaccc
      361 ggcctgttcc ttcttaagaa cactttgtct cccctttaat ctctgctgga tttcaagcac
      421 cccttttaca caactcttga tatccatcaa taaagaataa ttcccataag cccatcatgt
      481 agtgaccgac tatttttcag tgacaaaaaa aaagtcttta aaaatagaag taaaagtcta
      541 aagtcatcaa aacaacgtta tatcctgtgt gaaatgctgc agtcaggatg ccttgtggtt
      601 tgagtgcctt gatcatgtgc cctaagggga tggtggcggt ggtggtggcc gtggatgacg
      661 gagactctca ggccttggca ggtgcgtctt tcagttcccc tcacacttcg ggttcctcgg
      721 ggaggagggg ctggaaccct agcccatcgt caggacaaag atgctcaggc tgctcttggc
      781 tctcaactta ttcccttcaa ttcaagtaac aggtaaacaa tgttaatgtc tttctttctg
      841 taaatatttt ttgaggtctt ccaattggct tagtttattt taaatttcta acaatgtgtg
      901 aaatttgaac atttgaagtg tagttttgct gtaatagggc aatgtgttat tttgaaaatc
      961 attgattctc agactacata tagannnnnn nnnnnnnnnn nnnnnnnnnn nnnnnnnnnn
     1021 nnnnnnnnnn nnnnnnnnnn nnnnnnnnnn nnnnnnnnnn nnnnnnnnnn nnnnnnnnnn
     1081 nnnngctctc aggaagaaaa attatcctta tattcttgtt ctaagcaaat gatttttttt
     1141 tcccccagga aacaagattt tggtgaagca gtcgcccatg cttgtagcgt acgacaatgc
     1201 ggtcaacctt agctgcaagt attcctacaa tctcttctca agggagttcc gggcatccct
     1261 tcacaaagga ctggatagtg ctgtggaagt ctgtgttgta tatgggaatt actcccagca
     1321 gcttcaggtt tactcaaaaa cggggttcaa ctgtgatggg aaattgggca atgaatcagt
     1381 gacattctac ctccagaatt tgtatgttaa ccaaacagat atttacttct gcaaaattga
     1441 agttatgtat cctcctcctt acctagacaa tgagaagagc aatggaacca ttatccatgt
     1501 gaaaggtaac atacaacttt accagtgtac caccctaaag taatggtttt caaatgcagt
     1561 cctgaaaact gggttgtggt cagtggtggg gttgaataag gcctaagtga tttgatacta
     1621 acaaagnnnn nnnnnnnnnn nnnnnnnnnn nnnnnnnnnn nnnnnnnnnn nnnnnnnnnn
     1681 nnnnnnnnnn nnnnnnnnnn nnnnnnnnnn nnnnnnnnnn nnnnnncact ctaagctggt
     1741 gatatgttta atatttttat ttctttcaca tttttctctg atgttcacaa ggaaggaaat
     1801 gcactcaatt gctattcctg tatcatttaa tccactctat tttgtttttc agggaaacac
     1861 ctttgtccaa gtcccctatt tcccggacct tctaagccct tttgggtgct ggtggtggtt
     1921 ggtggagtcc tggcttgcta tagcttgcta gtaacagtgg cctttattat tttctgggta
     1981 agagaagcag cactgctttt atgtaacttt tccactgcac atgaaatctg aacacattca
     2041 agaattttgc ctatgtggtt tattttctgt ttaatatagg atgatgattt tcttttcccc
     2101 atgcttgagt aggttctctt ttagcttgtt caactctatc tgagataaaa atctgatatg
     2161 agttagattt ccagaaggca ttgagtaggt ggtnnnnnnn nnnnnnnnnn nnnnnnnnnn
     2221 nnnnnnnnnn nnnnnnnnnn nnnnnnnnnn nnnnnnnnnn nnnnnnnnnn nnnnnnnnnn
     2281 nnnnnnnnnn nnnaaaggtt agtgttttag tgtctctgtc atttgacagt taatattatg
     2341 aatagttgtg cccacagtct tagaactcct tccatgacat tgtccctcca tactgacact
     2401 tctctttcct gcaggtgagg agtaagagga gcaggctcct gcacagtgac tacatgaaca
     2461 tgactccccg ccgccccggg cccacccgca agcattacca gccctatgcc ccaccacgcg
     2521 acttcgcagc ctatcgctcc tgacacggac gcctatccag aagccagccg gctggcagcc
     2581 cccatctgct caatatcact gctctggata ggaaatgacc gccatctcca gccggccacc
     2641 tcaggcccct gttgggccac caatgccaat ttttctcgag tgactagacc aaatatcaag
     2701 atcattttga gactctgaaa tgaagtaaaa gagatttcct gtgacaggcc aagtcttaca
     2761 gtgccatggc ccacattcca acttaccatg tacttagtga cttgactgag aagttagggt
     2821 agaaaacaaa aagggagtgg attctgggag cctcttccct ttctcactca cctgcacatc
     2881 tcagtcaagc aaagtgtggt atccacagac attttagttg cagaagaaag gctaggaaat
     2941 cattcctttt ggttaaatgg gtgtttaatc ttttggttag tgggttaaac ggggtaagtt
     3001 agagtagggg gagggatagg aagacatatt taaaaaccat taaaacactg tctcccactc
     3061 atgaaatgag ccacgtagtt cctatttaat gctgttttcc tttagtttag aaatacatag
     3121 acattgtctt ttatgaattc tgatcatatt tagtcatttt gaccaaatga gggatttggt
     3181 caaatgaggg attccctcaa agcaatatca ggtaaaccaa gttgctttcc tcactccctg
     3241 tcatgagact tcagtgttaa tgttcacaat atactttcga aagaataaaa tagttctcct
     3301 acatgaagaa agaatatgtc aggaaataag gtcactttat gtcaaaatta tttgagtact
     3361 atgggacctg gcgcagtggc tcatgcttgt aatcccagca ctttgggagg ccgaggtggg
     3421 cagatcactt gagatcagga ccagcctggt caagatggtg aaactccgtc tgtactaaaa
     3481 atacaaaatt tagcttggcc tggtggcagg cacctgtaat cccagctgcc caggaggctg
     3541 aggcatgaga atcgcttgaa cctggcaggc ggaggttgca gtgagccgag atagtgccac
     3601 agctctccag cctgggcgac agagtgagac tccatctcaa acaacaacaa caacaacaac
     3661 aacaacaaca aaccacaaaa ttatttgagt actgtgaagg attatttgtc taacagttca
     3721 ttccaatcag accaggtagg agctttcctg tttcatatgt ttcagggttg cacagttggt
     3781 ctctttaatg tcggtgtgga gatccaaagt gggttgtgga aagagcgtcc ataggagaag
     3841 tgagaatact gtgaaaaggg atgttagcat tcattagagt atgaggatga gtcccaagaa
     3901 ggttctttgg aaggaggacg aatagaatgg agtaatgaaa ttcttgccat gtgctgagga
     3961 gatagccagc attaggtgac aatcttccag aagtggtcag gcagaaggtg ccctggtgag
     4021 agctccttta cagggacttt atgtggttta gggctcagag ctccaaaact ctgggctcag
     4081 ctgctcctgt accttggagg tccattcaca tgggaaagta ttttggaatg tgtcttttga
     4141 agagagcatc agagttctta agggactggg taaggcctga ccctgaaatg accatggata
     4201 tttttctacc tacagtttga gtcaactaga atatgcctgg ggaccttgaa gaatgccctt
     4261 cagtggccct caccatttgt tcatgcttca gttaattcag gtgttgaagg agcttaggtt
     4321 ttagaggcac gtagacttgg ttcaagtctc gttagtagtt gaatagcctc aggcaagtca
     4381 ctgcccacct aagatgatgg ttcttcaact ataaatggag ataatggtta caaatgtctc
     4441 ttcctatagt ataatctcca taagggcatg gcccaagtct gtctttgact ctgcctatcc
     4501 ctgacgttta gtagcatgcc cgacatacaa tgttagctat tggtattatt gccatataga
     4561 taaattatgt ataaaaatta aactgggcaa tagcctaaga aggggggaat attgtaacac
     4621 aaatttaaac ccactacgca gggatgaggt gctataatat gaggaccttt taacttccat
     4681 cattttcctg tttcttgaaa tagtttatct tgtaatgaaa tataaggcac ctcccacttt
     4741 tatgtataga aagaggtctt ttaatttttt tttaatgtga gaaggaaggg aggagtagga
     4801 atcttgagat tccatatcga aaatactgta ctttggttga tttttaagtg ggcttccatt
     4861 ccatggattt aatcagtccc aagaagatca aactcagcag tacttgggtg ctgaagaact
     4921 gttggattta ccctggcacg tgtgccactt gcccagcttc ttgggcacac agagttcttc
     4981 aatccaagtt atcagattgt atttgaaaat gacagagctg gagagttttt tgaaatggca
     5041 gtggcaaata aataaatact tttttttaaa tggaaagact tgatctatgg taataaatga
     5101 ttttgttttc tgactggaaa aataggccta ctaaagatga atcacacttg agatgtttct
     5161 tactcactct gcacagaaac aaagaagaaa tgttatacag ggaagtccgt tttcactatt
     5221 agtatgaacc aagaaatggt tcaaaaacag tggtaggagc aatgctttca tagtttcaga
     5281 tatggtagtt atgaagaaaa caatgtcatt tgctgctatt attgtaagag tcttataatt
     5341 aatggtactc ctataatttt tgattgtgag ctcacctatt tgggttaagc atgccaattt
     5401 aaagagacca agtgtatgta cattatgttc tacatattca gtgataaaat tactaaacta
     5461 ctatatgtct gctttaaatt tgtactttaa tattgtcttt tggtattaag aaagatatgc
     5521 ttt
//