Chains and heterogens:
PDB Chain Sequences:
>4r18A (A:) mtdrysfslttfspsgklgqidyaltavkqgvtslgikatngvviatekksssplamset lskvslltpdigavysgmgpdyrvlvdksrkvahtsykriygeypptkllvsevakimqe atqsggvrpfgvslliaghdefngfslyqvdpsgsyfpwkataigkgsvaaktflekrwn deleledaihialltlkesvegefngdtielaiigdenpdllgytgiptdkgprfrklts qeindrleal
>4r18C (C:) msgydralsifspdghifqveyaleavkrgtcavgvkgkncvvlgcerrstlklqdtrit pskvskidshvvlsfsglnadsriliekarveaqshrltledpvtveyltryvagvqqry tqsggvrpfgvstliagfdprddepklyqtepsgiysswsaqtigrnsktvrefleknyd rkeppatveecvkltvrsllevvqtgaknieitvvkpdsdivalsseeinqyvtqieqek qeqqeqdkkkksnh
>4r18C (C:) gydralsifspdghifqveyaleavkrgtcavgvkgkncvvlgcerrstlklqdtritps kvskidshvvlsfsglnadsriliekarveaqshrltledpvtveyltryvagvqqrytq sggvrpfgvstliagfdprddepklyqtepsgiysswsaqtigrnsktvrefleknydrk eppatveecvkltvrsllevvqtgaknieitvvkpdsdivalsseeinqyvtqieqekqe
>4r18D (D:) mfltrseydrgvstfspegrlfqveysleaiklgstaigiatkegvvlgvekratsplle sdsiekiveidrhigcamsgltadarsmiehartaavthnlyydedinvesltqsvcdla lrfgegasgeerlmsrpfgvalliaghdaddgyqlfhaepsgtfyrynakaigsgsegaq aellnewhssltlkeaellvlkilkqvmeekldennaqlscitkqdgfkiydnektaeli kelkekeaaespeeadvems
>4r18D (D:) drgvstfspegrlfqveysleaiklgstaigiatkegvvlgvekratspllesdsiekiv eidrhigcamsgltadarsmiehartaavthnlyydedinvesltqsvcdlalrfgelms rpfgvalliaghdaddgyqlfhaepsgtfyrynakaigsgsegaqaellnewhssltlke aellvlkilkqvmeekldennaqlscitkqdgfkiydnektaelikelkekeaae
>4r18E (E:) mfrnnydgdtvtfsptgrlfqveyaleaikqgsvtvglrsnthavlvalkrnadelssyq kkiikcdehmglslaglapdarvlsnylrqqcnysslvfnrklaveraghllcdkaqknt qsyggrpygvglliigydksgahllefqpsgnvtelygtaigarsqgaktylertldtfi kidgnpdelikagveaisqslrdesltvdnlsiaivgkdtpftiydgeavakyi
>4r18E (E:) nnydgdtvtfsptgrlfqveyaleaikqgsvtvglrsnthavlvalkrnadelssyqkki ikcdehmglslaglapdarvlsnylrqqcnysslvfnrklaveraghllcdkaqkntqsy ggrpygvglliigydksgahllefqpsgnvtelygtaigarsqgaktylertldtfikid gnpdelikagveaisqslrdesltvdnlsiaivgkdtpftiydgeavakyi
>4r18F (F:) mtsigtgydlsnsvfspdgrnfqveyavkavengttsigikcndgvvfaveklitskllv pqknvkiqvvdrhigcvysglipdgrhlvnrgreeaasfkklyktpipipafadrlgqyv qahtlynsvrpfgvstifggvdkngahlymlepsgsywgykgaatgkgrqsakaeleklv dhhpeglsareavkqaakiiylahednkekdfeleiswcslsetnglhkfvkgdllqeai dfaqkeingdddededdsdnvmssddenapvatnanattdqegdihle
>4r18F (F:) tgydlsnsvfspdgrnfqveyavkavengttsigikcndgvvfaveklitskllvpqknv kiqvvdrhigcvysglipdgrhlvnrgreeaasfkklyktpipipafadrlgqyvqahtl ynsvrpfgvstifggvdkngahlymlepsgsywgykgaatgkgrqsakaeleklvdhhpe glsareavkqaakiiylahednkekdfeleiswcslsetnglhkfvkgdllqeaidfaqk ein
>4r18G (G:) msgaaaasaagydrhitifspegrlyqveyafkatnqtninslavrgkdctvvisqkkvp dklldpttvsyifcisrtigmvvngpipdarnaalrakaeaaefrykygydmpcdvlakr manlsqiytqraymrplgviltfvsvdeelgpsiyktdpagyyvgykatatgpkqqeitt nlenhfkkskidhineeswekvvefaithmidalgtefskndlevgvatkdkfftlsaen ieerlvaiaeqd
>4r18G (G:) gydrhitifspegrlyqveyafkatnqtninslavrgkdctvvisqkkvpdklldpttvs yifcisrtigmvvngpipdarnaalrakaeaaefrykygydmpcdvlakrmanlsqiytq raymrplgviltfvsvdeelgpsiyktdpagyyvgykatatgpkqqeittnlenhfkksk idhineeswekvvefaithmidalgtefskndlevgvatkdkfftlsaenieerlvaiae q
>4r18H (H:) ttivgvkfnngvviaadtrstqgpivadkncaklhrispkiwcagagtaadteavtqlig snielhslytsreprvvsalqmlkqhlfkyqghigaylivagvdptgshlfsihahgstd vgyylslgsgslaamavleshwkqdltkeeaiklasdaiqagiwndlgsgsnvdvcvmei gkdaeylrnyltpnvreekqksykfprgttavlkesivnicdiqeeqvdita
>4r18H (H:) ttivgvkfnngvviaadtrstqgpivadkncaklhrispkiwcagagtaadteavtqlig snielhslytsreprvvsalqmlkqhlfkyqghigaylivagvdptgshlfsihahgstd vgyylslgsgslaamavleshwkqdltkeeaiklasdaiqagiwndlgsgsnvdvcvmei gkdaeylrnyltpnvreekqksykfprgttavlkesivnicdiqee
>4r18I (I:) msdpssinggivvamtgkdcvaiacdlrlgsqslgvsnkfekifhyghvflgitglatdv ttlnemfryktnlyklkeeraiepetftqlvssslyerrfgpyfvgpvvaginsksgkpf iagfdligcideakdfivsgtasdqlfgmceslyepnlepedlfetisqallnaadrdal sgwgavvyiikkdevvkrylkmrqd
>4r18I (I:) sdpssinggivvamtgkdcvaiacdlrlgsqslgvsnkfekifhyghvflgitglatdvt tlnemfryktnlyklkeeraiepetftqlvssslyerrfgpyfvgpvvaginsksgkpfi agfdligcideakdfivsgtasdqlfgmceslyepnlepedlfetisqallnaadrdals gwgavvyiikkdevvkrylkmrqd
>4r18J (J:) mdiilgirvqdsvilasskavtrgisvlkdsddktrqlsphtlmsfageagdtvqfaeyi qaniqlysiredyelspqavssfvrqelaksirsrrpyqvnvliggydkkknkpelyqid ylgtkvelpygahgysgfytfslldhhyrpdmtteegldllklcvqelekrmpmdfkgvi vkivdkdgirqvddfqaq
>4r18J (J:) mdiilgirvqdsvilasskavtrgisvlkdsddktrqlsphtlmsfageagdtvqfaeyi qaniqlysiredyelspqavssfvrqelaksirsrrpyqvnvliggydkkknkpelyqid ylgtkvelpygahgysgfytfslldhhyrpdmtteegldllklcvqelekrmpmdfkgvi vkivdkdgirqvddf
>4r18K (K:) tttlafrfqggiivavdsratagnwvasqtvkkvieinpfllgtmaggaadcqfwetwlg sqcrlhelrekerisvaaaskilsnlvyqykgaglsmgtmicgytrkegptiyyvdsdgt rlkgdifcvgsgqtfaygvldsnykwdlsvedalylgkrsilaaahrdaysggsvnlyhv tedgwiyhgnhdvgelfwkvkeeegsfnnvig
>4r18K (K:) ttlafrfqggiivavdsratagnwvasqtvkkvieinpfllgtmaggaadcqfwetwlgs qcrlhelrekerisvaaaskilsnlvyqykgaglsmgtmicgytrkegptiyyvdsdgtr lkgdifcvgsgqtfaygvldsnykwdlsvedalylgkrsilaaahrdaysggsvnlyhvt edgwiyhgnhdvgelfwkvkeeegsfnnvig
>4r18L (L:) qfnpygdnggtilgiagedfavlagdtrnitdysinsryepkvfdcgdnivmsangfaad gdalvkrfknsvkwyhfdhndkklsinsaarniqhllygkrffpyyvhtiiagldedgkg avysfdpvgsyereqcraggaaaslimpfldnqvnfknqyepgtngkvkkplkylsveev iklvrdsftsaterhiqvgdgleilivtkdgvrkefyelkrd
>4r18M (M:) tqianagaspmvntqqpivtgtsvismkydngviiaadnlgsygsllrfngverlipvgd ntvvgisgdisdmqhierllkdlvtenaydnpladaeealepsyifeylatvmyqrrskm nplwnaiivagvqsngdqflryvnllgvtyssptlatgfgahmanpllrkvvdresdipk ttvqvaeeaivnamrvlyyrdarssrnfslaiidkntgltfkknlqvenmkwdfakdikg ygtqki
>4r18M (M:) tqqpivtgtsvismkydngviiaadnlgsygsllrfngverlipvgdntvvgisgdisdm qhierllkdlvtenaydnpladaeealepsyifeylatvmyqrrskmnplwnaiivagvq sngdqflryvnllgvtyssptlatgfgahmanpllrkvvdresdipkttvqvaeeaivna mrvlyyrdarssrnfslaiidkntgltfkknlqvenmkwdfakdikgygtqki
>4r18N (N:) tsimavtfkdgvilgadsrtttgayianrvtdkltrvhdkiwccrsgsaadtqaiadivq yhlelytsqygtpstetaasvfkelcyenkdnltagiivagyddknkgevytiplggsvh klpyaiagsgstfiygycdknfrenmskeetvdfikhslsqaikwdgssggvirmvvlta agverlifypdeyeql
>4r18O (O:) mtdrysfslttfspsgklgqidyaltavkqgvtslgikatngvviatekksssplamset lskvslltpdigavysgmgpdyrvlvdksrkvahtsykriygeypptkllvsevakimqe atqsggvrpfgvslliaghdefngfslyqvdpsgsyfpwkataigkgsvaaktflekrwn deleledaihialltlkesvegefngdtielaiigdenpdllgytgiptdkgprfrklts qeindrleal
>4r18P (P:) mgsrrydsrttifspegrlyqveyalesishagtaigimasdgivlaaerkvtstlleqd tsteklyklndkiavavagltadaeilintarihaqnylktynedipveilvrrlsdikq gytqhgglrpfgvsfiyagyddrygyqlytsnpsgnytgwkaisvgantsaaqtllqmdy kddmkvddaielalktlskttdssaltydrlefatirkgandgevyqkifkpqeikdilv ktgitkkdedeeadedmk
>4r18P (P:) gsrrydsrttifspegrlyqveyalesishagtaigimasdgivlaaerkvtstlleqdt steklyklndkiavavagltadaeilintarihaqnylktynedipveilvrrlsdikqg ytqhgglrpfgvsfiyagyddrygyqlytsnpsgnytgwkaisvgantsaaqtllqmdyk ddmkvddaielalktlskttdssaltydrlefatirkgandgevyqkifkpqeikdilvk tgit
>4r18Q (Q:) msgydralsifspdghifqveyaleavkrgtcavgvkgkncvvlgcerrstlklqdtrit pskvskidshvvlsfsglnadsriliekarveaqshrltledpvtveyltryvagvqqry tqsggvrpfgvstliagfdprddepklyqtepsgiysswsaqtigrnsktvrefleknyd rkeppatveecvkltvrsllevvqtgaknieitvvkpdsdivalsseeinqyvtqieqek qeqqeqdkkkksnh
>4r18Q (Q:) gydralsifspdghifqveyaleavkrgtcavgvkgkncvvlgcerrstlklqdtritps kvskidshvvlsfsglnadsriliekarveaqshrltledpvtveyltryvagvqqrytq sggvrpfgvstliagfdprddepklyqtepsgiysswsaqtigrnsktvrefleknydrk eppatveecvkltvrsllevvqtgaknieitvvkpdsdivalsseeinqyvtqieqekqe
>4r18R (R:) mfltrseydrgvstfspegrlfqveysleaiklgstaigiatkegvvlgvekratsplle sdsiekiveidrhigcamsgltadarsmiehartaavthnlyydedinvesltqsvcdla lrfgegasgeerlmsrpfgvalliaghdaddgyqlfhaepsgtfyrynakaigsgsegaq aellnewhssltlkeaellvlkilkqvmeekldennaqlscitkqdgfkiydnektaeli kelkekeaaespeeadvems
>4r18R (R:) drgvstfspegrlfqveysleaiklgstaigiatkegvvlgvekratspllesdsiekiv eidrhigcamsgltadarsmiehartaavthnlyydedinvesltqsvcdlalrfgelms rpfgvalliaghdaddgyqlfhaepsgtfyrynakaigsgsegaqaellnewhssltlke aellvlkilkqvmeekldennaqlscitkqdgfkiydnektaelikelkekeaae
>4r18S (S:) mfrnnydgdtvtfsptgrlfqveyaleaikqgsvtvglrsnthavlvalkrnadelssyq kkiikcdehmglslaglapdarvlsnylrqqcnysslvfnrklaveraghllcdkaqknt qsyggrpygvglliigydksgahllefqpsgnvtelygtaigarsqgaktylertldtfi kidgnpdelikagveaisqslrdesltvdnlsiaivgkdtpftiydgeavakyi
>4r18S (S:) nnydgdtvtfsptgrlfqveyaleaikqgsvtvglrsnthavlvalkrnadelssyqkki ikcdehmglslaglapdarvlsnylrqqcnysslvfnrklaveraghllcdkaqkntqsy ggrpygvglliigydksgahllefqpsgnvtelygtaigarsqgaktylertldtfikid gnpdelikagveaisqslrdesltvdnlsiaivgkdtpftiydgeavakyi
>4r18T (T:) mtsigtgydlsnsvfspdgrnfqveyavkavengttsigikcndgvvfaveklitskllv pqknvkiqvvdrhigcvysglipdgrhlvnrgreeaasfkklyktpipipafadrlgqyv qahtlynsvrpfgvstifggvdkngahlymlepsgsywgykgaatgkgrqsakaeleklv dhhpeglsareavkqaakiiylahednkekdfeleiswcslsetnglhkfvkgdllqeai dfaqkeingdddededdsdnvmssddenapvatnanattdqegdihle
>4r18T (T:) tgydlsnsvfspdgrnfqveyavkavengttsigikcndgvvfaveklitskllvpqknv kiqvvdrhigcvysglipdgrhlvnrgreeaasfkklyktpipipafadrlgqyvqahtl ynsvrpfgvstifggvdkngahlymlepsgsywgykgaatgkgrqsakaeleklvdhhpe glsareavkqaakiiylahednkekdfeleiswcslsetnglhkfvkgdllqeaidfaqk ein
>4r18U (U:) msgaaaasaagydrhitifspegrlyqveyafkatnqtninslavrgkdctvvisqkkvp dklldpttvsyifcisrtigmvvngpipdarnaalrakaeaaefrykygydmpcdvlakr manlsqiytqraymrplgviltfvsvdeelgpsiyktdpagyyvgykatatgpkqqeitt nlenhfkkskidhineeswekvvefaithmidalgtefskndlevgvatkdkfftlsaen ieerlvaiaeqd
>4r18U (U:) gydrhitifspegrlyqveyafkatnqtninslavrgkdctvvisqkkvpdklldpttvs yifcisrtigmvvngpipdarnaalrakaeaaefrykygydmpcdvlakrmanlsqiytq raymrplgviltfvsvdeelgpsiyktdpagyyvgykatatgpkqqeittnlenhfkksk idhineeswekvvefaithmidalgtefskndlevgvatkdkfftlsaenieerlvaiae q
>4r18V (V:) ttivgvkfnngvviaadtrstqgpivadkncaklhrispkiwcagagtaadteavtqlig snielhslytsreprvvsalqmlkqhlfkyqghigaylivagvdptgshlfsihahgstd vgyylslgsgslaamavleshwkqdltkeeaiklasdaiqagiwndlgsgsnvdvcvmei gkdaeylrnyltpnvreekqksykfprgttavlkesivnicdiqeeqvdita
>4r18V (V:) ttivgvkfnngvviaadtrstqgpivadkncaklhrispkiwcagagtaadteavtqlig snielhslytsreprvvsalqmlkqhlfkyqghigaylivagvdptgshlfsihahgstd vgyylslgsgslaamavleshwkqdltkeeaiklasdaiqagiwndlgsgsnvdvcvmei gkdaeylrnyltpnvreekqksykfprgttavlkesivnicdiqee
>4r18W (W:) msdpssinggivvamtgkdcvaiacdlrlgsqslgvsnkfekifhyghvflgitglatdv ttlnemfryktnlyklkeeraiepetftqlvssslyerrfgpyfvgpvvaginsksgkpf iagfdligcideakdfivsgtasdqlfgmceslyepnlepedlfetisqallnaadrdal sgwgavvyiikkdevvkrylkmrqd
>4r18W (W:) sdpssinggivvamtgkdcvaiacdlrlgsqslgvsnkfekifhyghvflgitglatdvt tlnemfryktnlyklkeeraiepetftqlvssslyerrfgpyfvgpvvaginsksgkpfi agfdligcideakdfivsgtasdqlfgmceslyepnlepedlfetisqallnaadrdals gwgavvyiikkdevvkrylkmrqd
>4r18X (X:) mdiilgirvqdsvilasskavtrgisvlkdsddktrqlsphtlmsfageagdtvqfaeyi qaniqlysiredyelspqavssfvrqelaksirsrrpyqvnvliggydkkknkpelyqid ylgtkvelpygahgysgfytfslldhhyrpdmtteegldllklcvqelekrmpmdfkgvi vkivdkdgirqvddfqaq
>4r18X (X:) mdiilgirvqdsvilasskavtrgisvlkdsddktrqlsphtlmsfageagdtvqfaeyi qaniqlysiredyelspqavssfvrqelaksirsrrpyqvnvliggydkkknkpelyqid ylgtkvelpygahgysgfytfslldhhyrpdmtteegldllklcvqelekrmpmdfkgvi vkivdkdgirqvddf
>4r18Y (Y:) tttlafrfqggiivavdsratagnwvasqtvkkvieinpfllgtmaggaadcqfwetwlg sqcrlhelrekerisvaaaskilsnlvyqykgaglsmgtmicgytrkegptiyyvdsdgt rlkgdifcvgsgqtfaygvldsnykwdlsvedalylgkrsilaaahrdaysggsvnlyhv tedgwiyhgnhdvgelfwkvkeeegsfnnvig
>4r18Y (Y:) ttlafrfqggiivavdsratagnwvasqtvkkvieinpfllgtmaggaadcqfwetwlgs qcrlhelrekerisvaaaskilsnlvyqykgaglsmgtmicgytrkegptiyyvdsdgtr lkgdifcvgsgqtfaygvldsnykwdlsvedalylgkrsilaaahrdaysggsvnlyhvt edgwiyhgnhdvgelfwkvkeeegsfnnvig
>4r18Z (Z:) qfnpygdnggtilgiagedfavlagdtrnitdysinsryepkvfdcgdnivmsangfaad gdalvkrfknsvkwyhfdhndkklsinsaarniqhllygkrffpyyvhtiiagldedgkg avysfdpvgsyereqcraggaaaslimpfldnqvnfknqyepgtngkvkkplkylsveev iklvrdsftsaterhiqvgdgleilivtkdgvrkefyelkrd
>4r18b (b:) tsimavtfkdgvilgadsrtttgayianrvtdkltrvhdkiwccrsgsaadtqaiadivq yhlelytsqygtpstetaasvfkelcyenkdnltagiivagyddknkgevytiplggsvh klpyaiagsgstfiygycdknfrenmskeetvdfikhslsqaikwdgssggvirmvvlta agverlifypdeyeql