Chains and heterogens:
PDB Chain Sequences:
>1nekA (A:) mklpvrefdavvigaggagmraalqisqsgqtcallskvfptrshtvsaqggitvalgnt hednwewhmydtvkgsdyigdqdaieymcktgpeailelehmglpfsrlddgriyqrpfg gqsknfggeqaartaaaadrtghallhtlyqqnlknhttifsewyaldlvknqdgavvgc talcietgevvyfkaratvlatggagriyqsttnahintgdgvgmairagvpvqdmemwq fhptgiagagvlvtegcrgeggyllnkhgerfmeryapnakdlagrdvvarsimieireg rgcdgpwgphaklkldhlgkevlesrlpgilelsrtfahvdpvkepipviptchymmggi ptkvtgqaltvnekgedvvvpglfavgeiacvsvhganrlggnslldlvvfgraaglhlq esiaeqgalrdasesdveasldrlnrwnnnrngedpvairkalqecmqhnfsvfregdam akgleqlkvirerlknarlddtssefntqrvecleldnlmetayatavsanfrtesrgah srfdfpdrddenwlchslylpesesmtrrsvnmepklrpafppkirty
>1nekB (B:) mrlefsiyrynpdvddaprmqdytleadegrdmmlldaliqlkekdpslsfrrscregvc gsdglnmngknglacitpisalnqpgkkivirplpglpvirdlvvdmgqfyaqyekikpy llnngqnpparehlqmpeqrekldglyecilcaccstscpsfwwnpdkfigpagllaayr flidsrdtetdsrldglsdafsvfrchsimncvsvcpkglnptraighiksmllqrna
>1nekC (C:) mirnvkkqrpvnldlqtirfpitaiasilhrvsgvitfvavgillwllgtslsspegfeq asaimgsffvkfimwgiltalayhvvvgirhmmmdfgyleetfeagkrsakisfvitvvl sllagvlvw
>1nekD (D:) snasalgrngvhdfilvrataivltlyiiymvgffatsgeltyevwigffasaftkvftl lalfsilihawigmwqvltdyvkplalrlmlqlvivvalvvyviygfvvvwgv