MUC5AC (англ. Mucin 5AC, oligomeric mucus/gel-forming ) – білок, який кодується однойменним геном, розташованим у людей на короткому плечі 11-ї хромосоми.[ 3] Довжина поліпептидного ланцюга білка становить 5 654 амінокислот , а молекулярна маса — 585 570[ 4] .
Послідовність амінокислот
10 20 30 40 50
MSVGRRKLAL LWALALALAC TRHTGHAQDG SSESSYKHHP ALSPIARGPS
GVPLRGATVF PSLRTIPVVR ASNPAHNGRV CSTWGSFHYK TFDGDVFRFP
GLCNYVFSEH CGAAYEDFNI QLRRSQESAA PTLSRVLMKV DGVVIQLTKG
SVLVNGHPVL LPFSQSGVLI QQSSSYTKVE ARLGLVLMWN HDDSLLLELD
TKYANKTCGL CGDFNGMPVV SELLSHNTKL TPMEFGNLQK MDDPTDQCQD
PVPEPPRNCS TGFGICEELL HGQLFSGCVA LVDVGSYLEA CRQDLCFCED
TDLLSCVCHT LAEYSRQCTH AGGLPQDWRG PDFCPQKCPN NMQYHECRSP
CADTCSNQEH SRACEDHCVA GCFCPEGTVL DDIGQTGCVP VSKCACVYNG
AAYAPGATYS TDCTNCTCSG GRWSCQEVPC PGTCSVLGGA HFSTFDGKQY
TVHGDCSYVL TKPCDSSAFT VLAELRRCGL TDSETCLKSV TLSLDGAQTV
VVIKASGEVF LNQIYTQLPI SAANVTIFRP STFFIIAQTS LGLQLNLQLV
PTMQLFMQLA PKLRGQTCGL CGNFNSIQAD DFRTLSGVVE ATAAAFFNTF
KTQAACPNIR NSFEDPCSLS VENEKYAQHW CSQLTDADGP FGRCHAAVKP
GTYYSNCMFD TCNCERSEDC LCAALSSYVH ACAAKGVQLG GWRDGVCTKP
MTTCPKSMTY HYHVSTCQPT CRSLSEGDIT CSVGFIPVDG CICPKGTFLD
DTGKCVQASN CPCYHRGSMI PNGESVHDSG AICTCTHGKL SCIGGQAPAP
VCAAPMVFFD CRNATPGDTG AGCQKSCHTL DMTCYSPQCV PGCVCPDGLV
ADGEGGCITA EDCPCVHNEA SYRAGQTIRV GCNTCTCDSR MWRCTDDPCL
ATCAVYGDGH YLTFDGQSYS FNGDCEYTLV QNHCGGKDST QDSFRVVTEN
VPCGTTGTTC SKAIKIFLGG FELKLSHGKV EVIGTDESQE VPYTIRQMGI
YLVVDTDIGL VLLWDKKTSI FINLSPEFKG RVCGLCGNFD DIAVNDFATR
SRSVVGDVLE FGNSWKLSPS CPDALAPKDP CTANPFRKSW AQKQCSILHG
PTFAACHAHV EPARYYEACV NDACACDSGG DCECFCTAVA AYAQACHEVG
LCVSWRTPSI CPLFCDYYNP EGQCEWHYQP CGVPCLRTCR NPRGDCLRDV
RGLEGCYPKC PPEAPIFDED KMQCVATCPT PPLPPRCHVH GKSYRPGAVV
PSDKNCQSCL CTERGVECTY KAEACVCTYN GQRFHPGDVI YHTTDGTGGC
ISARCGANGT IERRVYPCSP TTPVPPTTFS FSTPPLVVSS THTPSNGPSS
AHTGPPSSAW PTTAGTSPRT RLPTASASLP PVCGEKCLWS PWMDVSRPGR
GTDSGDFDTL ENLRAHGYRV CESPRSVECR AEDAPGVPLR ALGQRVQCSP
DVGLTCRNRE QASGLCYNYQ IRVQCCTPLP CSTSSSPAQT TPPTTSKTTE
TRASGSSAPS STPGTVSLST ARTTPAPGTA TSVKKTFSTP SPPPVPATST
SSMSTTAPGT SVVSSKPTPT EPSTSSCLQE LCTWTEWIDG SYPAPGINGG
DFDTFQNLRD EGYTFCESPR SVQCRAESFP NTPLADLGQD VICSHTEGLI
CLNKNQLPPI CYNYEIRIQC CETVNVCRDI TRLPKTVATT RPTPHPTGAQ
TQTTFTTHMP SASTEQPTAT SRGGPTATSV TQGTHTTLVT RNCHPRCTWT
KWFDVDFPSP GPHGGDKETY NNIIRSGEKI CRRPEEITRL QCRAKSHPEV
SIEHLGQVVQ CSREEGLVCR NQDQQGPFKM CLNYEVRVLC CETPRGCHMT
STPGSTSSSP AQTTPSTTSK TTETQASGSS APSSTPGTVS LSTARTTPAP
GTATSVKKTF STPSPPPVPA TSTSSMSTTA PGTSVVSSKP TPTEPSTSSC
LQELCTWTEW IDGSYPAPGI NGGDFDTFQN LRDEGYTFCE SPRSVQCRAE
SFPNTPLADL GQDVICSHTE GLICLNKNQL PPICYNYEIR IQCCETVNVC
RDITRPPKTV ATTRPTPHPT GAQTQTTFTT HMPSASTEQP TATSRGGPTA
TSVTQGTHTT PVTRNCHPRC TWTTWFDVDF PSPGPHGGDK ETYNNIIRSG
EKICRRPEEI TRLQCRAKSH PEVSIEHLGQ VVQCSREEGL VCRNQDQQGP
FKMCLNYEVR VLCCETPKGC PVTSTPVTAP STPSGRATSP TQSTSSWQKS
RTTTLVTTST TSTPQTSTTY AHTTSTTSAP TARTTSAPTT RTTSASPAST
TSGPGNTPSP VPTTSTISAP TTSITSAPTT STTSAPTSST TSGPGTTPSP
VPTTSITSAP TTSTTSAPTT STTSARTSST TSATTTSRIS GPETTPSPVP
TTSTTSATTT STTSAPTTST TSAPTSSTTS SPQTSTTSAP TTSTTSGPGT
TPSPVPTTST TSAPTTRTTS APKSSTTSAA TTSTTSGPET TPRPVPTTST
TSSPTTSTTS APTTSTTSAS TTSTTSGAGT TPSPVPTTST TSAPTTSTTS
APISSTTSAT TTSTTSGPGT TPSPVPTTST TSAPTTSTTS GPGTTPSAVP
TTSITSAPTT STNSAPISST TSATTTSRIS GPETTPSPVP TASTTSASTT
STTSGPGTTP SPVPTTSTIS VPTTSTTSAS TTSTTSASTT STTSGPGTTP
SPVPTTSTTS APTTSTTSAP TTSTISAPTT STTSATTTST TSAPTPRRTS
APTTSTISAS TTSTTSATTT STTSATTTST ISAPTTSTTL SPTTSTTSTT
ITSTTSAPIS STTSTPQTST TSAPTTSTTS GPGTTSSPVP TTSTTSAPTT
STTSAPTTRT TSVPTSSTTS TATTSTTSGP GTTPSPVPTT STTSAPTTRT
TSAPTTSTTS APTTSTTSAP TSSTTSATTT STISVPTTST TSVPGTTPSP
VPTTSTISVP TTSTTSASTT STTSGPGTTP SPVPTTSTTS APTTSTTSAP
TTSTISAPTT STPSAPTTST TLAPTTSTTS APTTSTTSTP TSSTTSSPQT
STTSASTTSI TSGPGTTPSP VPTTSTTSAP TTSTTSAATT STISAPTTST
TSAPTTSTTS ASTASKTSGL GTTPSPIPTT STTSPPTTST TSASTASKTS
GPGTTPSPVP TTSTIFAPRT STTSASTTST TPGPGTTPSP VPTTSTASVS
KTSTSHVSIS KTTHSQPVTR DCHLRCTWTK WFDIDFPSPG PHGGDKETYN
NIIRSGEKIC RRPEEITRLQ CRAESHPEVS IEHLGQVVQC SREEGLVCRN
QDQQGPFKMC LNYEVRVLCC ETPKGCPVTS TPVTAPSTPS GRATSPTQST
SSWQKSRTTT LVTTSTTSTP QTSTTSAPTT STTSAPTTST TSAPTTSTTS
TPQTSISSAP TSSTTSAPTS STISARTTSI ISAPTTSTTS SPTTSTTSAT
TTSTTSAPTS STTSTPQTSK TSAATSSTTS GSGTTPSPVT TTSTASVSKT
STSHVSVSKT THSQPVTRDC HPRCTWTKWF DVDFPSPGPH GGDKETYNNI
IRSGEKICRR PEEITRLQCR AKSHPEVSIE HLGQVVQCSR EEGLVCRNQD
QQGPFKMCLN YEVRVLCCET PKGCPVTSTS VTAPSTPSGR ATSPTQSTSS
WQKSRTTTLV TSSITSTTQT STTSAPTTST TPASIPSTTS APTTSTTSAP
TTSTTSAPTT STTSTPQTTT SSAPTSSTTS APTTSTISAP TTSTISAPTT
STTSAPTAST TSAPTSTSSA PTTNTTSAPT TSTTSAPITS TISAPTTSTT
STPQTSTISS PTTSTTSTPQ TSTTSSPTTS TTSAPTTSTT SAPTTSTTST
PQTSISSAPT SSTTSAPTAS TISAPTTSTT SFHTTSTTSP PTSSTSSTPQ
TSKTSAATSS TTSGSGTTPS PVPTTSTASV SKTSTSHVSV SKTTHSQPVT
RDCHPRCTWT KWFDVDFPSP GPHGGDKETY NNIIRSGEKI CRRPEEITRL
QCRAESHPEV SIEHLGQVVQ CSREEGLVCR NQDQQGPFKM CLNYEVRVLC
CETPKGCPVT STPVTAPSTP SGRATSPTQS TSSWQKSRTT TLVTTSTTST
PQTSTTSAPT TSTIPASTPS TTSAPTTSTT SAPTTSTTSA PTHRTTSGPT
TSTTLAPTTS TTSAPTTSTN SAPTTSTISA STTSTISAPT TSTISSPTSS
TTSTPQTSKT SAATSSTTSG SGTTPSPVPT TSTTSASTTS TTSAPTTSTT
SGPGTTPSPV PSTSTTSAAT TSTTSAPTTR TTSAPTSSMT SGPGTTPSPV
PTTSTTSAPT TSTTSGPGTT PSPVPTTSTT SAPITSTTSG PGSTPSPVPT
TSTTSAPTTS TTSASTASTT SGPGTTPSPV PTTSTTSAPT TRTTSASTAS
TTSGPGSTPS PVPTTSTTSA PTTRTTPAST ASTTSGPGTT PSPVPTTSTT
SASTTSTISL PTTSTTSAPI TSMTSGPGTT PSPVPTTSTT SAPTTSTTSA
STASTTSGPG TTPSPVPTTS TTSAPTTSTT SASTASTTSG PGTSLSPVPT
TSTTSAPTTS TTSGPGTTPS PVPTTSTTSA PTTSTTSGPG TTPSPVPTTS
TTPVSKTSTS HLSVSKTTHS QPVTSDCHPL CAWTKWFDVD FPSPGPHGGD
KETYNNIIRS GEKICRRPEE ITRLQCRAES HPEVNIEHLG QVVQCSREEG
LVCRNQDQQG PFKMCLNYEV RVLCCETPRG CPVTSVTPYG TSPTNALYPS
LSTSMVSASV ASTSVASSSV ASSSVAYSTQ TCFCNVADRL YPAGSTIYRH
RDLAGHCYYA LCSQDCQVVR GVDSDCPSTT LPPAPATSPS ISTSEPVTEL
GCPNAVPPRK KGETWATPNC SEATCEGNNV ISLRPRTCPR VEKPTCANGY
PAVKVADQDG CCHHYQCQCV CSGWGDPHYI TFDGTYYTFL DNCTYVLVQQ
IVPVYGHFRV LVDNYFCGAE DGLSCPRSII LEYHQDRVVL TRKPVHGVMT
NEIIFNNKVV SPGFRKNGIV VSRIGVKMYA TIPELGVQVM FSGLIFSVEV
PFSKFANNTE GQCGTCTNDR KDECRTPRGT VVASCSEMSG LWNVSIPDQP
ACHRPHPTPT TVGPTTVGST TVGPTTVGST TVGPTTPPAP CLPSPICQLI
LSKVFEPCHT VIPPLLFYEG CVFDRCHMTD LDVVCSSLEL YAALCASHDI
CIDWRGRTGH MCPFTCPADK VYQPCGPSNP SYCYGNDSAS LGALPEAGPI
TEGCFCPEGM TLFSTSAQVC VPTGCPRCLG PHGEPVKVGH TVGMDCQECT
CEAATWTLTC RPKLCPLPPA CPLPGFVPVP AAPQAGQCCP QYSCACNTSR
CPAPVGCPEG ARAIPTYQEG ACCPVQNCSW TVCSINGTLY QPGAVVSSSL
CETCRCELPG GPPSDAFVVS CETQICNTHC PVGFEYQEQS GQCCGTCVQV
ACVTNTSKSP AHLFYPGETW SDAGNHCVTH QCEKHQDGLV VVTTKKACPP
LSCSLDEARM SKDGCCRFCP PPPPPYQNQS TCAVYHRSLI IQQQGCSSSE
PVRLAYCRGN CGDSSSMYSL EGNTVEHRCQ CCQELRTSLR NVTLHCTDGS
SRAFSYTEVE ECGCMGRRCP APGDTQHSEE AEPEPSQEAE SGSWERGVPV
SPMH
Секретований назовні.
Escande F., Aubert J.-P., Porchet N., Buisine M.P. (2001). Human mucin gene MUC5AC: organization of its 5'-region and central repetitive region. Biochem. J . 358 : 763—772. PMID 11535137 DOI :10.1042/0264-6021:3580763
Li D., Gallup M., Fan N., Szymkowski D.E., Basbaum C.B. (1998). Cloning of the amino-terminal and 5'-flanking region of the human MUC5AC mucin gene and transcriptional up-regulation by bacterial exoproducts. J. Biol. Chem . 273 : 6812—6820. PMID 9506983 DOI :10.1074/jbc.273.12.6812
Klomp L.W., Van Rens L., Strous G.J. (1995). Cloning and analysis of human gastric mucin cDNA reveals two types of conserved cysteine-rich domains. Biochem. J . 308 : 831—838. PMID 8948439 DOI :10.1042/bj3080831
Lidell M.E., Hansson G.C. (2006). Cleavage in the GDPH sequence of the C-terminal cysteine-rich part of the human MUC5AC mucin. Biochem. J . 399 : 121—129. PMID 16787389 DOI :10.1042/BJ20060443
The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC). Genome Res . 14 : 2121—2127. 2004. PMID 15489334 DOI :10.1101/gr.2596504
Perez-Vilar J., Randell S.H., Boucher R.C. (2004). C-Mannosylation of MUC5AC and MUC5B Cys subdomains. Glycobiology . 14 : 325—337. PMID 14718370 DOI :10.1093/glycob/cwh041