?=c 3t?D?¥9 ?/ ? 2. 1 'ceo 'co y+? Internet ? £??  World Wide Web e? WWWo  W?òS 3t?????by+?¥? 3S= 3t???¥y ?vvw?  3t? Dê b?y+?¥í ? ¥C1 3t?'÷¥ 7???¨4 μro?b'c |e?o í ? ?YVí ? é? ? o°?¥ZEióBt×1 3t???¥? ?b 2.2 I 1 ^y+? y+? ^B? ? o?¥9 ?? ? ?¤"??a Sùyn[# 3 <by+? YVY?xp.??'. { e?xp/ ?=xp Transmission Control Protocol/Internet Protocole? TCP/IPb?Bxp P?] ??¥9 ? ?[B? ]¥Z Té? ? ? @b ? ??¥B ?9 ??TB????????-WYV. { ?   packetsé? Y?bD.d¥è?a.??Y?Z T?] ?  V ?i?°¤VB ?9 ?.? 6B ? 9 ?7 ^YV ^? ü ?????rKa¥ "S9 ?b? ?xp¨ ? e??x? ? ¥μr. {b ? . {V?? ?T?Y ^ ¥ ??? #p5 V ?V???7Y VY¥ ^?. {b  2.3 I 1 ^ IP1? ?] ? ?è?μB?è?| ?B"y+? ¥ ?B ?9 ??μB?o| ?p' IP 1?bIP 1? ^B?? 1?3 F?¥ ?31?W¨l ??s?b ??3 ¥ ?3′  0~255-W ? 202.112.7.13ü ^B? IP1?b P¨ IP 1?L?9 ?-W¥oM MY? ??L:k9 ?^Tpb1NTCP/IP xp?? ×  domain name "db× "d? ??3 F? ??3 Yè?3 ? ?3F?  ? ?3?o- p?/?Lo_ pb  ¨?GQ ^9 ? a9 ? ?)ê?a × 0× b è ?  ? IP1? 202.112.7.9¥× 1www.cbi.pku.edu.cn b cl1 ?vD 3t 3t??? Centre of Bioinformatics, Peking University PKU ¥ Web ?   www.cbi ?¤?vDnó? pku ?o?S?a? Sù9 ?? ?p China Education and Research Networke? CERnetB?s× 1 edu.cnbV 2.1   Bty+?× ?0× b V 2.1A ?sSEy+?× B ?V SE Country × SE Country × ?v ?e Australia au ?S  China cn ? ?  Denmark dk o §  Finland fi ES  France fr £S  Germany de  ?  Greece gr ¤é ?  Hungary hu 1: § Ireland ie [ ?  Israel il iv ? Italy it °' Japan jp ? § Netherlands nl ? § New Zealand nz o § Poland pl ?$é Portugal pt 2d South Africa za ?é Spain es ?? Sweden se ? V Switzerland ch ?S United Kingdom uk ?S USA us V 2.1B ×1y+?×  Organisation × Dn Educational edu  3 < Commercial com ?? Governmental gov + Y Military mil D ? Academic ac  3 < Company co  ?F? Other organisation org General gen 2.4 y+? ¥ L¨y  y+?4¥Y?y  ?è0ˉq email a??F news groupaóq. { file transmission?ù?¨ c telnet?bè0ˉq ^y+? K訥y -B?1¨? ? |D |-W¥?? @b??F5 ^ Bù5?? ¥BF? ?¨?-W¥"8) ? V[B???F??Vò1-¥inbYVóq. {xp File Transmission Protocol e ? FTP V[  ?9 ?-W. {óqYV Telnet xp V[¨ c?ù?9 ? b v ?y+? ?é? L HY? ? UNIX "d¥o talkp??a VMS"d¥ophone p ?? ( V¨T? ?? y b¨?YV à  o ?3?é?o? pb? ?? ¥éB ??ZL ^? ?p' ??¨?|ò1? = ?o ?? à   ?3 g? LC′ E? ? ?pbWebBoard aBioMoo? MultiUser Dungeonü ^? ?? ?? ??b? ?? 9?? ?o ì Cpü` 4eìB"BH 4eBHé?D ?) ?b?V??? ?/ ? ? E s? ?] H s?. { ?¥K? L= P¨ H???ZL??` 4eì *"1b 2.5 I 1 ^£?? £??' World Wide Webe?1 WebaWWW W3? xY?0t ?ù? ? CERN  4i 7?K*¨?s?? ? o¥ú ?t ?ù?-W¥? Z 7?? y ?a úr1s?)? W?ò19 ?"d ¥ ? ??¨??b£??¥á ??Z 3t? 5× μ 'ù¥?Yb??£??X?1y+? K5é¥?? @y b ? ^B?? ? ?8¥?"d ?Z-á ?? ?- <vXü? y+?¥]lMb£?? W3 x??:  ?$ í ?1o?? ?¥ W? | ?? M¥÷ ?pbD5?? aEμ? qf ?£??¥C¥ ? 7B  ? o? Z¥?@íb 2.6 ? ?í ?  ? ?í ?   network browser ¥C Py+?¥ v . ?¤[μr?è P? |M¤ EsZLbí ?  Z?  client D ?  server -Wé?Y? H P¨ B *S¥xpbí ? D? -Wé?Y?¥?B?: ??1?:  home page b  a¥ ?:?+?¥í ?  !?Yè·_?í ?  7? ¥??b¨? V[?M  a?:·_ ÷쨥aüè`ù¥_?·_¨?1-¥?:bí ? 1¨?4 B?^? P¨¥ ? ?iüó?_ ìaóq`ùa ? o ? ì??T"?B b/ ?á ìe?o Kè ¨¥í ? b 2.6.1 Lynx Lynx ^? = ó ?ü ?vDD ?9 ?? 7?¥T1ynó?"d¥B?sb Lynx ?? UNIX  VMS ?T"db ??Bó'? ? V P¨3???  ? ?Y¥ VT100 ? M?¥_?? b ?y+?* ù P¨?1<Wb ù ?ó'  Tí ? ¥ ? ??`m?Z Tí ?  *" ? ?? ?. { ??? HLynx 1m?í ? ÷Fμ rb 2.6.2 Mosaic Mosaic?H ? v ?vDSE?)9 ???? 1993 M 7? ^B??3 g"d¥? ? 8í ?  V¨? UNIX"d¥ X-Windowsa úT 3¥ MacIntosh?± è 3¥ Windowsb ? μ?B¥a?z¥¨?? ?1y+? ?]¥xpa ? ì T??'÷4?b ??[ +?Mosaic C?òüá ?y+?  @?i? ×B Hb? y£??? ?y ¥ 7?[ù |¥ ?9é?¥í ? ? y? 3b Mosaic ¥ I1êo?? ? B H ùb 2.6.3 Netscape Navigator Netscape Navigator '? ??t ? 1994 M?F ?? Deü¥ Netscape Communications 3 7?bT1 Mosaic¥9} ? Netscape Navigator+? ^B@-WL ¤???1K1 @?¥í ? b 9y+?  80%¥¨? P¨ Netscape Navigatorí ??:b?í ? "? è0ˉqa??Fa{ ?? j ???? ?i ?[? ?a?oZ T7y: ?b Internet Explorer '? ? ì ? 1995 M?± è 3 7?b ?[ Mosaic 1$ a ¨? PCb ? μ  ?í ? ¥ò?? ? ?|?3 g"da|? Java? ActiveX?b K ^1 windows95/NT ü ? 7?¥??'X ? SUN 3¥ UNIX"d ?b 2.7 HTTPaHTML? URL í ?  ?A U¥ó??¨?ó' HyperText? ? ?8 Hyper Media/ ? P¤ Web í ????  ?^b?ó'ó?c =? y¤9?1? y¤  Hyper Link b ?[ + yt ??A U[/?LS:b¨ ?S? ? y¤5 V?¨B??ó?b?ó? V[]B ??  9 V[ 6B ??  ? s1 ?ê?K?b? y¤-W¥Y? ' Web ?  ? P¨¥Y?xp?1?ó'. {xp Hyper Text Transmission Protocol  e? HTTPb ?ó'ó? ^¨ ?ó'S:?y HyperText Markup Language e? HTML I ¥b?ó'S:?y¨S:?|ó'é?? eb è ?¨<B></B> ? eY8¨ <FONT></FONT>? e38¥vl?t ?¨<HR> ? ? £ üL¨<IMG> ? ?m ??bv ?sS:?|?C???[|×o/ p2 ? è ?</B> bHTML ?ye?^DbKμ r¥ZE ^° A ? Web : ?¥oPage source pT bò?S:?|¥+?rTb HTMLó ?[.html .htm T1óq ?Z  ? index.htmlbm 2.2  ?? HTML: ?¥?s} ?b <TITLE> PREFACE </TITLE> <BODY BGCOLOR="#FFFFCC" LINK="brown" VLINK="brown" ALINK="brown"> <FONT COLOR="#004F75" SIZE=+1><B>Preface</B></FONT> <P> <FONT COLOR="#FF0000"><B>Welcome</B></FONT> to our Bioinformatics Web practical. <P> This is an <I>interactive</I> exercise that aims to provide a taste of bioinformatics resources around the world. We hope to give a flavour of sequence analysis, by introducing a range of widely-used analysis tools and databases. <P> In this tutorial, brief instructions are given in the headers; their highlighted phrases control the contents of the left- and right- hand frames. Frame contents may be refreshed at any time using the left-hand <A HREF="http://www.biochem.ucl.ac.uk/bsm/dbbrowser/jj/refresh.gif">menu</A> <IMG SRC="http://www.biochem.ucl.ac.uk/bsm/dbbrowser/genesrus/ball1.gif">. Commentaries in the right-hand frames provide more detailed information than the header instructions - <FONT COLOR="red"><B>please</B></FONT> read these carefully. For further info, use: <BR> <CENTER> <IMG HEIGHT=18 SRC="http://www.biochem.ucl.ac.uk/bsm/dbbrowser/jj/light1.gif"> </CENTER> m 2.2 HTMLó? L è m 2.2 ^B? HTML ó? a ü ??¨S:?yé?ó' ?am^? ???Tb? HTML ó?ü ^ 3? Web : ?¥÷} ?bHTML ó?YV·B¥1? ?é?`ù?1? ?SdB'÷?ê?  Uniform Resource Locators e? URLb URL ?+?sGQ ^ Y?xpaWeb ? 1?aóqib¥ ^??B?óq b è ? http://www.bioinf.man.ac.uk/dbbrowser/bioactivity/nucleicfrm.html ? URL 1?·?Y?xp1 HTTP Web ? ê??S £ M ?+vD¥ 3t?D ù?Fió ·_?ó'ó? prefacefrm.html¥ ^?b 2.8 xYs0 3tD? ?F? *? ?í ?  ?#- - W?òS¥μ M- Vüi M?y+? ? oY???'÷ ?¨?¥ .T¨b? E M}? ù 3t ? o 7 S y ?9é T¨9 ° t×1b¨? P¨ZLa÷?# H¥ ? o3 p?9éb 1988 M xYs0 3tD? ?F? European Molecular Biology Network e? EMBnet ? ? ?ü xYòS 3t???F?B  LC? Z1òSs0 3tD L i4 ??é? ?Tb EMBnet? 3t?'÷¥ ?¨?9 ? 3tD¥?Z ? dè× 1¥T¨bμ  EMBnet?"B?1'S# ?H1 u?¥òù??ê?A{nv ¥ | ?t ?y ?ò1¥ ? o? èq"db ?? 1998 M EMBnet ?μ 34 ??? V 2.2 ? 26 ? ^SE??b?tSE? ????·? ?1 ? ^1'S¨?4? ? ? oa èq? ?? sa ?aé yayTm?] H4¨?|?? ?T[#é? 3t?¥ù?? 7?b? °?"d Sequence Retrieval System e? SRSü ^ EMBnetF? 7?¥b 6? EMBnet ?μ??<?? ?  *tD 3t?DM1¥D ?a <ù???b e ì 3tD ? o?M1 èq¥?1  ?vT¨?t??? xY 3t?Dù? ? European Molecular Bioinformatics Institutee? EBI μ3?1 EMBL? ? ? oS=L.y? ? 3t/ ??? International Centre for Genetic Engineering and Biotechnology e? ICGEB μ3?1?aé2× ? o SBASE??b  V 2.2 xY? ?S¥ 3t?D?? EMBnetSE?? ? SE ?? IBBM -?S http://sol.biol.unlp.edu.ar/ ANGIS ?v ?e http://www.angis.su.oz.au/ Vienna Biocenter í1 ? http://www.at.embnet.org/ BEN 1 ? H http://www.be.embnet.org/ CBI ?S http://www.cbi.pku.edu.cn/ CIGB ? http://bio.cigb.edu.cu/ BioBase ? ? http://biobase.dk/ CSC o § http://www.fi.embnet.org/ INFOBIOGEN ES http://www.infobiogen.fr/ GENIUSnet £S http://genome.dkfz-heidelberg.de/biounit/ IMBB  ? http://www.imbb.forth.gr/ HEN ¤é ? http://www.hu.embnet.org/ CDFD ? HTTP://www.in.embent.org/ INCBI 1: § http://acer.gen.tcd.ie/ INN [ ?  http://dapsas.weizmann.ac.il/bcd/inn.html IEN-ADR iv ? http://bio-www.ba.cnr.it:8000/BioWWW/Bio-WWW.htm CAOS/CAMM ? § http://www.caos.kun.nl/ Bio sˉ http://www.no.embnet.org/ IBB o § http://www.ibb.waw.pl/ PEN ?$é http://www.pen.gulbenkian.pt/ GeneBee , ? ? http://www.genebee.msu.su/ HGMP-RC ?S http://www.hgmp.mrc.ac.uk/ SANBI 2d http://www.sanbi.ac.za/ CNB-CSIC ?é http://wwv.es.embnet.org/ BMC ?? http://www.embnet.se/ SIB ? V http://www.ch.embnet.org/ EMBnet <?? ? SE ?? EBI ?S http://www.ebi.ac.uk/ Sanger ?S http://www.sanger.ac.uk/ UCL ?S http://www.hiochem.ucLac.uk/bsm/dbbrowser/embnet/ ICGEB iv ? http://www.icgeb.trieste.it/ ETI ? § http://www.eti.uva.nl MIPS £S http://www.mips.biochem.mpg.de/ Pharmacia Upjohn ?? http://www.pnu.com/ Hoffmann-La Roche ? V http://www.roche.com/ ?S 3t??? ? SE ?? NCBI ?S http://www.ncbi.nlm.nih.gov/ NLM ?S http://www.nlm.nih.gov/ NIH ?S http://wwv.nih.gov/ EMBnetSE)???11'S4 3t?'÷? 3t9 ??b7<??51 x YòS .à ? W?4+ y¥ 3t?'÷?b/ ?á ìo ê??St B 2?yFó u¥ ??<??b 2.8.1 ?SyFù??? Hinxton ^?St B 2?¥B?l? ^?S Wellcome Trust á?g'y ?¥yF ù?ó u¥ ?1b?S????a?SDD??? | ?yFm ?9?'÷??? xY 3 t?Dù? ? ??ù?üU ??Bl? b ?S???? ?S???? Sanger Centre  ^B?yFù???? ?? 1992 M? Wellcome Trust ??SDDù???? Medical Research Council  ]y ??é?μ1yF¥ù? ? ìb ?1 ? ^?? | ?? ??  T 3t¥ym ??yF? b???9?g' 5 $£?? 2002 M -?? | ?yF 30a?a? Bs-B? ¥??bT1 | ? yF9?¥5 z???D ?S St Louis ? 9vDyF?????TX??  T 3tL ¥??i? à?? [#k o )? | ?he8é???b ?S | ?yFm ?'÷?? ?SDD??? | ?yFm ?9?'÷?? UK MRC Human Genome Mapping Project Resource Centree? HGMP-RC ^??SDDù????7y¥b????11 | ?yF?l ?yF9?4 L? ?/ ??91?S 3tDyT?4 ó9 ?a¨?|?# ?T? 3t??b 8 a ?ü ^1 3tDDù?4 ? ?M1 ?iYV ?T1yFù?4?bHGMP e1 EMBNet <??b1999 Me? S EMBnetSE)?? SEQNET?i? HGMPbHGMP?1 EMBnet?SSE??b xYs0 3t?Dù? ? xYs0 3t?Dù? ? Emmert ? 1994 ^ xYs0 3tD L i ? ?¥B? y? 1994 Mb xYs0 3tD L i European Molecular Biology Laboratory e? EMBL ^B?? x D'ù¥S=?ù?9? !£SZ¤ b xYs0 3t?D ù? ?¥?1 ?-B ^ 7???1 EMBL? ??  ? oi LC? ? o¥# H÷?b EMBL ? oD ?S¥ GenBanka °'¥ DDBJ ?T1 W?òSù?yT?4? ??  ? '÷b?ù? ??D ? V¥ 3t?Dù? ??T ]?1??? SWISSPROT ?aé?  ? obN??ù? ?? ?"??? 30?s0 3tD=Q ? ob 2.8.2 MIPS ê?£S Martinsrie¥ ? ? 3t?Dù? ?  Max-Planck Institut fur Biochemie?aé ? ù?F MIPS  ^S=?aé?  ? o PIR Protin Identification Resource ?TF ??-Bμ3 xYS? = l"a????1?aé?  ? bN? MIPS94]÷ ?aéEB ? o¥??[#¨??aé°?? ? o ? ì¥ èqb MIPSyFù? ?9  ×1T¨ ?L yF9?? E 2·yF9??μ3x?b 2.8.3 UCL ?S ~vD University College UCL ¥ 3ts02? yù?F ^9 ? 3tDù ??? ^ EMBnet <??b?aé? ?2sZ ?UCL T + y Db e ì 7? ?aé? ·? ? o PRINTSa ?aé2? d ? o PDBsuma ?aé 2s ? ? o  CATH ??s0 3tD ? o? L¨y bV UCL ¥ FTP _?  V [/ò???b è ?¨????aéD ¥8MoT¨ Uim¥??¨?9 ? _o?d  NoMoT¨¥??¨?s?aé?  8¥??[#¨?£?aé2 ?8? D?é¥????bN?UCL ¥ Web ? ?4 ? o°?a? s?y i YV e ì 7?¥ DbBrowser Michie ?19961¨?4ZL¥?b1999 M ??  ??S ManchestervD¥ 3t?ù???a???1b 2.8.4 ? _ ì"d SRS EMBnet l"?? ? ? 3t ? o??t ? o àμdB¥ ? ì T 4[μr 1é?°?b1N EMBnet ? B?ù?9?¨?3 %ˉ¥ 3t ? '÷¥ ?¨ù 5i 7? ? °?"d Sequence Retrieve System e? SRSYV? ?í ? s 0 3tD ? oé?°? Etzold ? Argos 1993 ?? ???aé?  ? oa?aé ? ?ê? ? oa?aéEB ? oa?aé2 ? oayF ? o?óDK1 ? o ? 200??] ??¥s0 3t? ? o m 2.4bSRS"d|?] ??¥ ? o?? B YVdB¥¨?? ?é? ? o°?b SRS"dYVy ? ì?óq LC ? o¥ y ? °?b ?1+? ^?] ? o-W¥ y¤" ?ó' y¤?? V[? ? o?ò ?: c-W¥?-?¨YVia?ad? ? ?Té? y ?°?b SRS¥ 6B?+? ^ ? ¨?|1-¥ ? o????"d?iD  ? ? o-W LC y¤b  2.9 NCBI [ o   xYs0 3t?D?9 ? 3tD??b 3t?D 5×? ?SSE 3 t/ ????  National Center for Biotechnology Information e? NCBI μ+ y¥1 êbNCBI 7y? 1988 M ? ?? ?S? 9? ? ú §ü¥ Bethesda ?SSEr Bù? y  National Institutes of Health e? NIH¥ ?SSEDDm ?6 National Library of Medicinee? NLMbNCBI ?1 3tDD ? o? 7?9 ? 3tD èqZ ?S + y Db NCBI¥?1 ? ^?¨K?¥?/ ?Vs0 £ ü ù?D%hM1¥yT b r BD%h¥s0 ?b 8 ? a ?7y1?¥?i%?s"d 7?5é¥ 3t ?) ?ZEIZL L¨¥ ? o°??s èqx? W?S?¥ 3t?'÷b 1992 M ? ??  ? o GenBank ? NCBI ?1bV S/óD  ? {? |μ 1'  GenBanké?? di|?t ? DS=? ? ? o EMBL? DDBJé??D ^ NCBI¥?1 ?-Bb 2.9.1 Entrez NCBI 7?  Entrez ? o°?"d¨? GenBank ?s0 3tD ? o[# 3t DDóDK1 Medline? ? o¥°? Schuler ? 1996b Entrez? |1? M1: c¥ZE LC]B ? o??]H "?] ? o-W¥ y¤b?¨?[1oM°s ? H " H V[V°?2T ? ¥H "?s?D M1¥  ?H " ?óDK1ayF ? ? ?8m ?a? ???aé?  ? oa?aé2 ? o? P¨ EsZLbD SRS ?]Entrez ^B?>¥ ? o"díE?¨?@F1-¥ ? ob SRS ? Entrez ?°?"d1 3t?'÷¥ ?¨4 1μr¥y b ? ìüò? ??¥ ? o"?B YVdB¥? ??°?ZE ?¨9 ?? ? LC ? Zb 2.10 ? ??3 í M ? ?"9 ?? ?¥á ? ?# <aó?a? á?? ?¨?¥ ? 9D5 ? ?. {Y??F z? ?. { ? ?/?b 7?? ??3y [L÷Fμr1 ?¨ ? ?'÷ ^3 %[ ù5¥o?-Bb ? ??3 ^B?dèL ?¥y  V[V W? ??B?1Z?é? ? ìb V[4 ¥? ?? ^í kíD¥V < 5×? - Yq?a? áá μt?? j3 ?Z ?bYV?]¥ ? ì? c?{μ? y¤¥1m?ü V[ LC ? oò?? ?¥í ??` ùb ′ E j3? The Virtual Tourist _?4 ? ??3y YV?ty  V[¤ W ? òS WWW ? ¥?3mb? ?3m ¥M1 y¤ V[¤? W?òS??tS E?1ì g¥M1?b è ?1Xs?ê??v ?e¥SEyF???o1? W ?1m ¥?v ?eü V[??v ?e? t ü1 u¥1m? m??Yv d¥ê? ' V??v ?e1mb? m?¥ì g D' Vé ? D gs?μ1vD " c?  DvDü?s??v ?eSEyF??? ANGIS '?v ?e¥ EMBnet SE ??b  ?NL ?¥í ?y  P?v8?? |$ ??? ?  ? e ì?¤"??? ? H} ¥? ?b? ^ ?-9C  ?ù5 i  ?" ?í ? | ?¥9F+Y? ? P¨¥ ú? ù? ?. { ?A÷h ¤μ H .àíE?èí ??:  iiN?? ? {μ? r B ??¥? P?? M¥D 3Z s? ? ?{ ?¥L ?¥] H9 s?B??¥2]b °?C? ?5 ? ír ?¥E?b??? f ????? tòá ìK?? A?M1 E?¥ ?b??? ?¨?¥9FA?D yy ??"¥E?b] H? ?¥ P¨?5 ? ;31??? ê¥?D931? ?¨?¥|?b 2.ll 'cl2 ? ? y+? ^B? ? o?¥9 ?? ?b ?B ? ?¤? ? ¥9 ?μB?·B ¥1?[L ?D? ?   ?9 ?Y?b ? ? ? ? 4 ?? ?è0ˉqa??Faóq. {?ù?¨ c?b ? ? £?? ^? ? K5é¥?"dXü? ? ?¥} Mb ? ? í ?  ^`ù? ??¥y bè¨í ? μ Netscape Navigator ? Internet Explorerb ? ? EMBnet ^[ xYSE1?¥ 3t?D? ? ZF? ? 34? 3t?D ?yFù???b ? ? xYμBt÷ ¥ 3t?D???? 3tD ? o?1?49 ? 3tD Z ?¥?bK×1¥μ?S????a?S | ?yFm ?'÷??a xY 3t? Dù? ?a MIPS? UCLb ?SK÷ ¥ 3t??? ^SE 3t/ ???? NCBIb 2.12 éB?· 2 y+? SWINDELL, S.R, MILLER, R.R. and MEYERS, G.S.A  eds  1996 Internet for the Molecular Biologist. Horizon Scientific Press. ?°?y  ETZOLD, T. and ARGOS, P.  1993  SRS an indexing and retrieval tool for flat file data libraries. Computer Applications in the Biosciences, 9, 49-57. SCHULER,G.D., EPSTEIN, J.A., OHKAWA, H. and KANS, J.A.  1996 Entrez: molecular biology database and retrieval system. Methods in Enzymology, 266, 141-162.  3t?D WWW ?  APPEL, R.D., BAIROCH, A. and HOCHSTRASSER, D.E  1994 A new generation information-retrieval tools for biologists - the example of the ExPASy WWW server. TiBS, 19 6, 258-260. MICHIE, A.D., JONES, M.L. and ATTWOOD, T.K.  1996 DbBrowser: integrated access to databases woridwide. TiBS, 21 5, 191. 3t?'÷?? EMMERT, D.B., STOEHR, P.J., STOESSER, G. and CAMERON, G.N  1994 The European Bioinformatics Institute  EBI. Nucleic Acids Research , 22 17  ,3445-3449. 2.13 μ1?? / ? ^S=  3t?'÷¥?1??b WWW http://www.w3.org/ CERN http://www.cern.ch./ Lynx http://lynx.browser.org/ ACS http://www.ukans.edu/~acs/ Mosaic http://www.ncsa.uiuc.edu/SDG/Software/Mosaic/NCSA/ MosaicHome.html NCSA http://www.ncsa.uiuc.edu/ncsa.html Netscape http://www.netscape.com/ EMBnet http://www.embnet.org/ Hinxton Hall http://www.ebi.ac.uk/hinxton/hinxton.html Sanger Centre http://www.sanger.ac.uk/Info/ HGMP-RC http://www.hgmp.mrc.ac.uk/HGMP.html EBI http://www.ebi.ac.uk/ebi_home.html EMBL http://www.embl-heidelberg.de/ ExPASy http://expasy.hcuge.ch/ MIPS http://www.mips.biochem.mpg.de/ UCL http://www.biochem.ucl.ac.uk/bsm/dbbrowser/ SRS http://srs.ebi.ac.uk/ NCBI http://www.ncbi.nlm.nih.gov/ Entrez http://www.ncbi.nlm.nih.gov/Entrez/ Virtual Tourist http://www.vtourist.com/webmap/ ANGIS http://www.angis.su.oz.au/ City.Net http://www.city.net/