An example restriction map (using a subset of all restriction enzymes)

Human interferon alpha gene, protein-coding sequence underlined

Enzyme No. Positions Recognition   Enzyme  No.  Positions      Recognition  
name
  cuts of sites  sequence      name   cuts of sites       sequence     
                                                                        
A=AcsI    1     826     r/aatty   E=EcoNI   3  413 910 1254   cctnn/nnnagg 
B=BbsI    1     441     gaagac../ Hh=HhaI   1      3          gcg/c
BsD=BseDI 3 603 695 995 c/cnngg   Hi=HindII 1     1040        gty/rac
BsR=BseRI 2   647 705   gaggag../ M=MaeIII  2    368 891      /gtnac
D=DdeI    3 46 456 550  c/tnag    P=PvuII   3  317 554 852    cag/ctg
E=EarI    1    780      ctcttc../ S=SfaNI   2    497 628      gcatc../
Ha=HaeIII 2   514 538   gg/cc     T=TspRI   2    206 838    /..cagtg ../

r= a or G     y= t or c     n = any base    /= cleavage position within sequence
For non-palindomic sequences, consider bottom strand as well top.                     

HhaI                                          DdeI
gcgc
ctcttatgtacccacaaaaatctattttcaaaaaagttgctctaagaatatagttatcaagttaagtaaaa base pairs
cgcggagaatacatgggtgtttttagataaaagttttttcaacgagattcttatatcaatagttcaattcatttt 1 to 75

tgtcaatagccttttaatttaatttttaattgttttatcattctttgcaataataaaacattaactttatacttt base pairs
acagttatcggaaaattaaattaaaaattaacaaaatagtaagaaacgttattattttgtaattgaaatatgaaa 76 to 150

                                                   TspRI
ttaatttaatgtatagaatagagatatacataggatatgtaaatagatacacagtgtatatgtgattaaaatata base pairs
aattaaattacatatcttatctctatatgtatcctatacatttatctatgtgtcacatatacactaattttatat 151 to 225

atgggagattcaatcagaaaaaagtttctaaaaaggctctggggtaaaagaggaaggaaacaataatgaaaaaaa base pairs
taccctctaagttagtcttttttcaaagatttttccgagaccccattttctccttcctttgttattacttttttt 226 to 300

               PvuII                                                MaeIII
tgtggtgagaaaaacagctgaaaacccatgtaaagagtgtataaagaaagcaaaaagagaagtagaaagtaacac base pairs
acaccactctttttgtcgacttttgggtacatttctcacatatttctttcgtttttctcttcatctttcattgtg 301 to 375

                                    EcoNI                    BbsI
aggggcatttggaaaatgtaaacgagtatgttccctatttaaggctaggcacaaagcaaggtcttcagagaacct base pairs
tccccgtaaaccttttacatttgctcatacaagggataaattccgatccgtgtttcgttccagaagtctcttgga 376 to 450

      DdeI                                SfaNI               HaeIII
ggagcctaaggtttaggctcacccatttcaaccagtctagcagcatctgcaacatctacaatggccttgaccttt base pairs
cctcggattccaaatccgagtgggtaaagttggtcagatcgtcgtagacgttgtagatgttaccggaactggaaa 451 to 525

           HaeIII      DdeI PvuII
gctttactggtggccctcctggtgctcagctgcaagtcaagctgctctgtgggctgtgatctgcctcaaacccac base pairs
cgaaatgaccaccgggaggaccacgagtcgacgttcagttcgacgagacacccgacactagacggagtttgggtg 526 to 600

   BseDI               SfaNI              BseRI
agcctgggtagcaggaggaccttgatgctcctggcacagatgaggagaatctctcttttctcctgcttgaaggac base pairs
tcggacccatcgtcctcctggaactacgaggaccgtgtctactcctcttagagagaaaagaggacgaacttcctg 601 to 675

                    BseDI BseRI
agacatgactttggatttccccaggaggagtttggcaaccagttccaaaaggctgaaaccatccctgtcctccat base pairs
tctgtactgaaacctaaaggggtcctcctcaaaccgttggtcaaggttttccgactttggtagggacaggaggta 676 to 750

                        EarI
gagatgatccagcagatcttcaatctcttcagcacaaaggactcatctgctgcttgggatgagaccctcctagac base pairs
ctctactaggtcgtctagaagttagagaagtcgtgtttcctgagtagacgacgaaccctactctgggaggatctg 751 to 825

 AcsI   TspRI            PvuII                                    MaeIII
aaattc
tacactgaactctaccagcagctgaatgacctggaagcctgtgtgatacagggggtgggggtgacagag base pairs
tttaagatgtgacttgagatggtcgtcgacttactggaccttcggacacactatgtcccccacccccactgtctc 826 to 900

          EcoNI
actcccctgatgaaggaggactccattctggctgtgaggaaatacttccaaagaatcactctctatctgaaagag base pairs
tgaggggactacttcctcctgaggtaagaccgacactcctttatgaaggtttcttagtgagagatagactttctc 901 to 975

                    BseDI                                     HindII
aagaaatacagcccttgtgcctgggaggttgtcagagcagaaatcatgagatctttttctttgtcaacaaacttg base pairs
ttctttatgtcgggaacacggaccctccaacagtctcgtctttagtactctagaaaaagaaacagttgtttgaac 976 to 1050

caagaaagtttaagaagtaaggaatgaaaactggttcaacatggaaatgattttcattgattcgtatgccagctc base pairs
gttctttcaaattcttcattccttacttttgaccaagttgtacctttactaaaagtaactaagcatacggtcgag 1051 to 1125

acctttttatgatctgccatttcaaagactcatgtttctgctatgaccatgacacgatttaaatcttttcaaatg base pairs
tggaaaaatactagacggtaaagtttctgagtacaaagacgatactggtactgtgctaaatttagaaaagtttac 1126 to 1200

                                                   EcoNI
ttttaggagtattaatcaacattgtattcagctcttaaggcactagtcccttacagaggaccatgctgactgat base pairs
aaaaatcctcataattagttgtaacataagtcgagaattccgtgatcagggaatgtctcctggtacgactgacta 1201 to 1275
--------------------------------------------------------------------------------------------     Intro Bio 16-3