#########################################################
# Perl code to get complete sequence in FASTA format from GenBank page
#########################################################
#!/usr/bin/perl
use warnings;
use strict; 
use Bio::DB::GenBank;
use Bio::SeqIO;   
my $gb =new Bio::DB::GenBank; 
my $acc="NM_021817";  
my $seq1=$gb->get_Seq_by_acc($acc);
my $sequence=$seq1->seq();
my $description=$seq1->desc();
print "\n
$description
$sequence\n"; 
exit; 

##</code><code>##

 C:\Users\Desktop>seq.pl
Homo sapiens hyaluronan and proteoglycan link protein 2 (HAPLN2), mRNA.
TTGCCATTACCCACAGAATAAAGAAAGGGGCCCTGTTATTCAACAATAGGGGAAAAGACAGAGACAATGGGAAATTGTGC
TTCCGATGGGGTGGGGACTGAGAAGGAAAGGACAGACAGACAGACAGACAGGGGGTTGTACAGAAGAGGTCCGGTTTCTT
GAAGCAGCTGGAAGTCCTGGATAGTTCCCACCTGAAAGTCTGTTTGCAAAGGCAATGCGCACTCAGGCACCAGAGGGCAG
AGGGGCTCAAGTTCCAGGGTTTTAAGGTGCTTGGAACTCCCAGGAGCCTGGCAAACCTTCATCCAGAACCTCTTCCTCAA
GCAAGACAAAAAGCTGCTAAGCACTGCTCCCTCCGTCTCTGTGAAGAGACCAGCTTCTAACAGACGGTGCCGGGCTGACC
CCCCATCATGCCAGGCTGGCTCACCCTCCCCACACTCTGCCGCTTCCTTCTTTGGGCCTTCACCATCTTCCACAAAGCCC
AAGGAGACCCAGCATCCCACCCGGGCCCCCACTACCTCCTGCCCCCCATCCACGAGGTCATTCACTCTCATCGTGGGGCC
ACGGCCACGCTGCCCTGCGTCCTGGGCACCACGCCTCCCAGCTACAAGGTGCGCTGGAGCAAGGTGGAGCCTGGGGAGCT
CCGGGAAACGCTGATCCTCATCACCAACGGACTGCACGCCCGGGGGTATGGGCCCCTGGGAGGGCGCGCCAGGATGCGGA
GGGGGCATCGACTAGACGCCTCCCTGGTCATCGCGGGCGTGCGCCTGGAGGACGAGGGCCGGTACCGCTGCGAGCTCATC
AACGGCATCGAGGACGAGAGCGTGGCGCTGACCTTGAGCTTGGAGGGTGTGGTGTTTCCGTACCAACCCAGCCGGGGCCG
GTACCAGTTCAATTACTACGAGGCGAAGCAGGCGTGCGAGGAGCAGGACGGACGCCTGGCCACCTACTCCCAGCTCTACC
AGGCTTGGACCGAGGGTCTGGACTGGTGTAACGCGGGCTGGCTGCTCGAGGGCTCCGTGCGCTACCCTGTGCTCACCGCA
CGCGCCCCGTGCGGCGGCCGAGGCCGGCCCGGGATCCGCAGCTACGGACCCCGCGACCGGATGCGCGACCGCTACGACGC
CTTCTGCTTCACCTCCGCGCTGGCGGGCCAAGTGTTCTTCGTGCCCGGGCGGCTGACGCTGTCTGAAGCCCACGCGGCGT
GCCGGCGACGCGGCGCCGTGGTGGCCAAGGTTGGGCACCTCTACGCCGCCTGGAAGTTTTCGGGGCTAGACCAGTGCGAC
GGCGGCTGGCTGGCTGACGGCAGTGTGCGCTTCCCAATCACCACGCCGAGGCCGCGCTGCGGGGGGCTCCCGGATCCCGG
AGTGCGCAGTTTCGGCTTCCCCAGGCCCCAACAGGCAGCCTATGGGACCTACTGCTACGCCGAGAATTAGGCGCCCACCG
TGTCCCCTCCAGCGCGCGCGAAGAAGCTTGGGAGTCGTGGCGGGGGTCTCTCGCCACCCCTTTCCGGAGAGCCTCCCCTC
CCTCCAGACCCGGAGCGGCCTCTCCAGACCTGCCTTCCCAGCCGGGGGCTGCGGGCCTCGGACCCCGGCTGGCCCGGCGG
CGGGGAGGGGAGGCGGGGGCGCCTCCGGCGGCGAGATGCAGAGGTGACCCTCGGACCCGCTGCCGTTCGCGAACCCTAGC
AGAGGACTCAGCCACCGCCGGGGGGAGGGTGAGGCGGCCGGGGGCATTAACTGACCTCTGAGTACAGCAATAAAATAACC
TGGGGATCTTTAAAAAAAAAAAAAAAAAAAAAAAA
C:\Users\Desktop> 

##</code><code>##

 >NM_021817.2:408-1430 Homo sapiens hyaluronan and proteoglycan link protein 2 (HAPLN2), mRNA
ATGCCAGGCTGGCTCACCCTCCCCACACTCTGCCGCTTCCTTCTTTGGGCCTTCACCATCTTCCACAAAG
CCCAAGGAGACCCAGCATCCCACCCGGGCCCCCACTACCTCCTGCCCCCCATCCACGAGGTCATTCACTC
TCATCGTGGGGCCACGGCCACGCTGCCCTGCGTCCTGGGCACCACGCCTCCCAGCTACAAGGTGCGCTGG
AGCAAGGTGGAGCCTGGGGAGCTCCGGGAAACGCTGATCCTCATCACCAACGGACTGCACGCCCGGGGGT
ATGGGCCCCTGGGAGGGCGCGCCAGGATGCGGAGGGGGCATCGACTAGACGCCTCCCTGGTCATCGCGGG
CGTGCGCCTGGAGGACGAGGGCCGGTACCGCTGCGAGCTCATCAACGGCATCGAGGACGAGAGCGTGGCG
CTGACCTTGAGCTTGGAGGGTGTGGTGTTTCCGTACCAACCCAGCCGGGGCCGGTACCAGTTCAATTACT
ACGAGGCGAAGCAGGCGTGCGAGGAGCAGGACGGACGCCTGGCCACCTACTCCCAGCTCTACCAGGCTTG
GACCGAGGGTCTGGACTGGTGTAACGCGGGCTGGCTGCTCGAGGGCTCCGTGCGCTACCCTGTGCTCACC
GCACGCGCCCCGTGCGGCGGCCGAGGCCGGCCCGGGATCCGCAGCTACGGACCCCGCGACCGGATGCGCG
ACCGCTACGACGCCTTCTGCTTCACCTCCGCGCTGGCGGGCCAAGTGTTCTTCGTGCCCGGGCGGCTGAC
GCTGTCTGAAGCCCACGCGGCGTGCCGGCGACGCGGCGCCGTGGTGGCCAAGGTTGGGCACCTCTACGCC
GCCTGGAAGTTTTCGGGGCTAGACCAGTGCGACGGCGGCTGGCTGGCTGACGGCAGTGTGCGCTTCCCAA
TCACCACGCCGAGGCCGCGCTGCGGGGGGCTCCCGGATCCCGGAGTGCGCAGTTTCGGCTTCCCCAGGCC
CCAACAGGCAGCCTATGGGACCTACTGCTACGCCGAGAATTAG