>From cthummel@XXXX Thu Jun 20 12:27:46 1996 Date: 20 Jun 1996 10:26:13 U From: 'CThummel' <cthummel@XXXX> Subject: pCaSpeR vectors To: 'Madeline Crosby' <crosby@XXXX> X-Mailer: Mail*Link SMTP-QM 3.0.2 Content-Length: 905 REGARDING pCaSpeR vectors Dear Lynn, You may remember that you contacted me a year ago regarding the sequences of P element vectors that we made, together with Vince Pirrotta. We have been working on those sequences (very slowly!) and finally have some accession numbers for you. We also have the maps of these vectors (and accession numbers) on a WWW page (http://www-hhmi.genetics.utah.edu/thummel/pelement.html) in case you are interested. The numbers are as follows: pCaSpeR EMBL 81644 pCaSpeR2 GenBank U59054 pCaSpeR3 GenBank U59055 pCaSpeR4 EMBL 81645 pCaSpeR-hs GenBank U59056 pCaSpeR-hs/act GenBank U60735 pCaSpeR hs43 lacZ EMBL 81643 I hope that this helps! We will let you know if we find the energy to assemble sequences of any lacZ vectors. I think it would be nice to have pCaSpeR-AUG-bgal, but I can't get too excited about it right now! Best wishes, Carl Thummel ----- End Included Message ----- ----- Begin Included Message ----- >From crosby Thu Jun 20 15:35:54 1996 Date: Thu, 20 Jun 96 15:35:49 EDT From: crosby (Madeline Crosby) To: cthummel@XXXX Subject: Re: pCaSpeR vectors Cc: crosby Content-Type: X-sun-attachment Content-Length: 29725 Carl, Many thanks for remembering my request! Your timing could not be better: FlyBase is planning on publishing maps of commonly used vectors, enhancer traps, etc., in an upcoming FlyBase issue of DIS. I am not familiar with the details on permission from authors, etc., but I hope we can include these vectors. In regard to the lacZ vectors: I already have essentially complete compiled sequences for these. (Complete in the case of CaSpeR-betagal; a few unknown nucleotides in the case of CaSpeR-AUG-betagal.) Would you like to look them over and see what you think (attached below)? I know that Bill would like to work out a system of joint submissions to GenBank; do you think this might be a reasonable option for these two vectors? Another question: below is a comment I have included in my compilation of the white sequences in the CaSpeR vectors. Do you know anything about these discrepancies? ' Sequence discrepancies (+1 bp at 2176; c to t at undetermined position) in sequence entry listed versus white (sequence entry X02974 [Genbank / EMBL] | 10873 | 22 Feb 1993). FlyBase-compiled sequence is based upon the latter and thus differs from sequence in entry X81644.' Thanks again. Sincerely, Lynn Lynn Crosby FlyBase ----- End Included Message ----- ----- Begin Included Message ----- >From cthummel@XXXX Fri Jun 21 17:39:38 1996 Date: 21 Jun 1996 15:37:25 U From: 'CThummel' <cthummel@XXXX> Subject: Re: pCaSpeR vectors To: 'Madeline Crosby' <crosby@XXXX> X-Mailer: Mail*Link SMTP-QM 3.0.2 Content-Type: x-binhex4 X-Attachments: 'Casper sequences' (type: binhex4) Content-Length: 34414 RE>>pCaSpeR vectors 6/21/96 Hi Lynn, My, you have been busy! Needless to say, I did not expect that anyone would put the time and effort necessary into the compilation of these sequences, much less someone who had not actually made the clones themselves! There are a lot of little cloning tricks in there that are tricky to figure out - even for me!! Anyhow, the basic sequences you sent look OK. There are, however, a few problems. First, the length of both vectors is off by several kb - they should each be about 12 kb total. The sequence you are missing is in the Casper vector. You should replace your Casper sequences in any case, since there have been several recent small changes that I learned about from Vince Pirrotta. I have enclosed the most recent Casper sequence, along with a modified version of your Casper-bgal vector. You had a run of 4 Cs downstream from the polylinker at the 5' end of lacZ - this should have been 3 Cs. The sequence was correct in your Casper-AUG-bgal sequence (probably because there you could see that the Adh AUG needed to be in frame with lacZ). Otherwise, the only parts I could not confirm were the Casper-SV40, SV40-lacZ junctions in both sequences, and Casper-Adh-lacZ junction in Casper-AUG-bgal. I think it would be safest to sequence through these junctions. Did you actually do that, or is your sequence just a best guess based on the literature? Some of these junctions are impossible to predict without sequencing. We would be happy to do the sequencing, if you don't mind waiting a bit. Please let me know what you think! Thanks for all your help getting this together. Best wishes, Carl ----- End Included Message ----- ----- Begin Included Message ----- >From crosby Fri Jun 21 18:12:49 1996 Date: Fri, 21 Jun 96 18:12:43 EDT From: crosby (Madeline Crosby) To: cthummel@XXXX Subject: Re: pCaSpeR vectors Cc: crosby Content-Length: 2372 Carl, We're making progress! >First, the length of both vectors is off by several kb - they >should each be about 12 kb total. The CaSpeR vector sequences are not included in these -- they are the transposon-only versions. A slightly cumbersome but occasionally useful convention we have adopted is to represent everything (except construction intermediates) in two ways: both the plasmid (or cosmid) form and the transposon form. I hesitated to send you the plasmid form because it is less obvious which is the best orientation and what is the best starting point. The sizes I have currently listed are: pP{CaSpeR-betagal} 11.978kb P{CaSpeR-betagal} 9.218kb pP{CaSpeR-AUG-betagal} ~12.126kb P{CaSpeR-AUG-betagal ~9.366kb I know the ~ with all significant digits looks a bit strange, but the size is derived automatically by adding up component segments. > ...is your sequence just a best guess based on the literature? Yes. >Some of these junctions are impossible to predict without sequencing. Very true! Initially, I was trying to give some sort of confidence rating on the compiled sequences, but that really isn't practical. For things that are REALLY dubious, I include disclaimers in the comments sections. It might be a good idea to include some sort of generic disclaimer, along with a request for corrections when errors are discovered. >We would be happy to do the sequencing, if you don't mind waiting a bit. That would be terrific! Presumably these small stretches can be done relatively quickly. >You should replace your Casper sequences in any case, since >there have been several recent small changes that I learned about from Vince >Pirrotta. Is Vince going to correct his GenBank/EMBL entries? Large stretches of sequence like this I have been pulling from GenBank; we store only the compiled sequences and these are re-compiled periodically to reflect any changes that have been submitted to GenBank. With only a few exceptions, the only original sequence that we store is that of junctions. Thanks for all the input. Let me know how the sequencing goes. --Lynn P.S. I get the distinct impression that you haven't looked at TransposonSearch on FlyBase. It can only be accessed through the Web, but if you can manage to take a look at what we've been doing, I would really appreciate your feedback. ----- End Included Message ----- ----- Begin Included Message ----- >From cthummel@XXXX Mon Jun 24 12:00:49 1996 Date: 24 Jun 1996 09:59:42 U From: 'CThummel' <cthummel@XXXX> Subject: Re: pCaSpeR vectors To: 'Madeline Crosby' <crosby@XXXX> X-Mailer: Mail*Link SMTP-QM 3.0.2 Content-Length: 4066 RE>>pCaSpeR vectors 6/24/96 Hi Lynn, Thanks for your response. I have browsed through Transposon search and am very impressed. I must confess that although I use FlyBase several times each day, I have not tried that handy little window! Why don't you go ahead and submit your sequences with a disclaimer. We will then go ahead and sequence the junctions that I mentioned to you earlier. Although it should be quick, it won't be. We have a bunch of other stuff going on and will fit these sequencing reactions in as we can. I will let you know once we have assembled a complete corrected sequence for both Casper-bgal and Casper-AUG-bgal. Thanks again, Carl P.S. Vince will be correcting his EMBL submissions, so your re-compilation of the sequence should incorporate his changes. Keep up the terrific work! ----- End Included Message ----- ----- Begin Included Message ----- >From cthummel@XXXX Mon Jul 29 16:50:12 1996 Date: 29 Jul 1996 14:51:15 U From: 'CThummel' <cthummel@XXXX> Subject: Casper-bgal sequences To: 'Lynn Crosby' <crosby@XXXX> X-Mailer: Mail*Link SMTP-QM 3.0.2 Content-Length: 19532 REGARDING Casper-bgal sequences Hi Lynn, We have finished sequencing the junctions on pCasper-bgal and pCasper-AUG-bgal. We did the lacZ-SV40 junctions on both vectors, the SV40-Casper junctions on both vectors, and the Casper-AUG-lacZ junctions on pCasper-AUG-bgal. As expected, there were small insertions and/or deletions to make in these regions. I have enclosed the modified sequences. I hope that these help! Please send me the accession numbers once you submit them to GenBank. Thanks again for your help in getting these sequences together! Best wishes, Carl <<<<<< Attached TEXT file named 'cas-aug-bgal' follows >>>>>> catgatgaaataacataaggtggtcccgtcgatagccgaagcttaccgaagtatacacttaaattcagtgcacgtttgct tgttgagaggaaaggttgtgtgcggacgaatttttttttgaaaacattaacccttacgtggaataaaaaaaaatgaaata ttgcaaattttgctgcaaagctgtgactggagtaaaattaattcacgtgccgaagtgtgctattaagagaaaattgtggg agcagagccttgggtgcagccttggtgaaaactcccaaatttgtgatacccactttaatgattcgcagtggaaggctgca cctgcaaaaggtcagacatttaaaaggaggcgactcaacgcagatgccgtacctagtaaagtgatagagcctgaaccaga aaagataaaagaaggctataccagtgggagtacacaaacagagtaagtttgaatagtaaaaaaaatcatttatgtaaaca ataacgtgactgtgcgttaggtcctgttcattgtttaatgaaaataagagcttgagggaaaaaattcgtactttggagta cgaaatgcgtcgtttagagcagcagccgaattaattctagttccagtgaaatccaagcattttctaaattaaatgtattc ttattattatagttgttatttttgatatatataaacaacactattatgcccaccatttttttgagatgcatctacacaag gaacaaacactggatgtcactttcagttcaaattgtaacgctaatcactccgaacaggtcacaaaaaattaccttaaaaa gtcataatattaaattagaataaatatagctgtgagggaaatatatacaaatatattggagcaaataaattgtacataca 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ttcagaattgctaagttttttgagtcatgctgtgtttagtaatagaactcttgcttgctttgctatttacaccacaaagg aaaaagctgcactgctatacaagaaaattatggaaaaatattctgtaacctttataagtaggcataacagttataatcat aacatactgttttttcttactccacacaggcatagagtgtctgctattaataactatgctcaaaaattgtgtacctttag ctttttaatttgtaaaggggttaataaggaatatttgatgtatagtgccttgactagagatcataatcagccataccaca tttgtagaggttttacttgctttaaaaaacctcccacacctccccctgaacctgaaacataaaatgaatgcaattgttgt tgttaacttgtttattgcagcttataatggttacaaataaagcaatagcatcacaaatttcacaaataaagcattttttt cactgcattctagttgtggtttgtccaaactcatcaatgtatcttatcatgtctggatcgggcgagctcgaattcgtcga cctgcagcccaagctttgcgtactcgcaaattattaaaaataaaactttaaaaataatttcgtctaattaatattatgag ttaattcaaaccccacggacatgctaagggttaatcaacaatcatatcgctgtctcactcagactcaatacgacactcag aatactattcctttcactcgcacttattgcaagcatacgttaagtggatgtctcttgccgacgggaccaccttatgttat ttcatcatg <<<<<< Attached TEXT file named 'cas-bgal' follows >>>>>> catgatgaaataacataaggtggtcccgtcggcaagagacatccacttaacgtatgcttgcaataagtgcgagtgaaagg 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cgacttattcagacaacggtgagtggttccagtggaaacaaatgatataacgcttacaattcttggaaacaaattcgcta gattttagttagaattgcctgattccacacccttcttagtttttttcaatgagatgtatagtttatagttttgcagaaaa taaataaatttcatttaactcgcgaacatgttgaagatatgaatattaatgagatgcgagtaacattttaatttgcagat ggttgccatcttgattggcctcatctttttgggccaacaactcacgcaagtgggcgtgatgaatatcaacggagccatct tcctcttcctgaccaacatgacctttcaaaacgtctttgccacgataaatgtaagtcttgtttagaatacatttgcatat taataatttactaactttctaatgaatcgattcgatttaggtgttcacctcagagctgccagtttttatgagggaggccc gaagtcgactttatcgctgtgacacatactttctgggcaaaacgattgccgaattaccgctttttctcacagtgccactg gtcttcacggcgattgcctatccgatgatcggactgcgggccggagtgctgcacttcttcaactgcctggcgctggtcac tctggtggccaatgtgtcaacgtccttcggatatctaatatcctgcgccagctcctcgacctcgatggcgctgtctgtgg gtccgccggttatcataccattcctgctctttggcggcttcttcttgaactcgggctcggtgccagtatacctcaaatgg ttgtcgtacctctcatggttccgttacgccaacgagggtctgctgattaaccaatgggcggacgtggagccgggcgaaat tagctgcacatcgtcgaacaccacgtgccccagttcgggcaaggtcatcctggagacgcttaacttctccgccgccgatc tgccgctggactacgtgggtctggccattctcatcgtgagcttccgggtgctcgcatatctggctctaagacttcgggcc cgacgcaaggagtagccgacatatatccgaaataactgcttgtttttttttttaccattattaccatcgtgtttactgtt tattgccccctcaaaaagctaatgtaattatatttgtgccaataaaaacaagatatgacctatagaatacaagtatttcc ccttcgaacatccccacaagtagactttggatttgtcttctaaccaaaagacttacacacctgcataccttacatcaaaa actcgtttatcgctacataaaacaccgggatatattttttatatacatacttttcaaatcgcgcgccctcttcataattc acctccaccacaccacgtttcgtagttgctctttcgctgtctcccacccgctctccgcaacacattcaccttttgttcga cgaccttggagcgactgtcgttagttccgcgcgattcggttcgctcaaatggttccgagtggttcatttcgtctcaatag aaattagtaataaatatttgtatgtacaatttatttgctccaatatatttgtatatatttccctcacagctatatttatt ctaatttaatattatgactttttaaggtaattttttgtgacctgttcggagtgattagcgttacaatttgaactgaaagt gacatccagtgtttgttccttgtgtagatgcatctcaaaaaaatggtgggcataatagtgttgtttatatatatcaaaaa taacaactataataataagaatacatttaatttagaaaatgcttggatttcactggaactagaattaattcggctgctgc tctaaacgacgcatttcgtactccaaagtacgaattttttccctcaagctcttattttcattaaacaatgaacaggacct aacgcacagtcacgttattgtttacataaatgattttttttactattcaaacttactctgtttgtgtactcccactggta tagccttcttttatcttttctggttcaggctctatcactttactaggtacggcatctgcgttgagtcgcctccttttaaa tgtctgaccttttgcaggtgcagccttccactgcgaatcattaaagtgggtatcacaaatttgggagttttcaccaaggc tgcacccaaggctctgctcccacaattttctcttaatagcacacttcggcacgtgaattaattttactccagtcacagct ttgcagcaaaatttgcaatatttcatttttttttattccacgtaagggttaatgttttcaaaaaaaaattcgtccgcaca caacctttcctctcaacaagcaaacgtgcactgaatttaagtgtatacttcggtaagcttcggctatcgacgggaccacc ttatgttatttcatcatg ----- End Included Message ----- ----- Begin Included Message ----- >From crosby Sun Aug 4 18:43:01 1996 Date: Sun, 4 Aug 96 18:42:59 EDT From: crosby (Madeline Crosby) To: cthummel@XXXX Subject: Re: Casper-bgal sequences Cc: crosby Content-Length: 1134 Carl, Thanks! (Sorry to be a bit slow to reply -- I've been on vacation.) These corrections should be incorporated into the FlyBase-compiled sequences within the next week or two. Two questions: 1) In pCaSpeR-AUG-Bgal your corrected junction between SV40 and CaSpeR includes an EcoRI site. If this is correct, EcoRI can not be used as a cloning site. Are there, indeed, two EcoRI sites?? 2) Is the junction between lacZ and SV40 in pCaSpeR-Bgal identical to that in CaSpeR-hs43-lacZ? For the GenBank submissions I think I would prefer not to use the standard FlyBase format (P transposons always presented P5' to P3' and vectors broken within the polylinker). I am inclined to prepare them in the orientation you have your sequences (with the lacZ 5' to 3'), starting with the P sequences and appending the vector sequences. So, unless I hear any objections.... Who should be included in the Thummel lab citation? I assume we should cite the Thummel et al. 1988 Gene paper, and for CaSpeR-Bgal, the DIN/DIS correction. Any others? I'm really pleased that we were able to pull this together! --Lynn ----- End Included Message ----- ----- Begin Included Message ----- Date: 5 Aug 1996 11:18:51 U From: 'CThummel' <cthummel@XXXX> Subject: Re: Casper-bgal sequences To: 'Madeline Crosby' <crosby@XXXX> X-Mailer: Mail*Link SMTP-QM 3.0.2 Content-Length: 3289 RE>>Casper-bgal sequences 8/5/96 Thanks Lynn - I am glad to hear that you take vacations! I would imagine that staring at sequences gets to be a little tedious after awhile! Sorry about the error in the SV40 CaSpeR junction of pCaSpeR-AUG-Bgal. I was just focusing on the junction sequences. There is a base change in the CaSpeR sequence, immediately downstream from the junction that inactivates the EcoRI site. The sequence should read: ...GAATTGGTCGACC... Unfortunately, I found a few other single base changes further downstream in CaSpeR, but I do not want to get involved in proofing all 7.8 kb!! What a pain. The lacZ/SV40 junctions are different between CaSpeR-Bgal and CaSpeR-hs43-lacZ. Vince Pirrotta independently constructed the latter vector, using pCaSpeR4. That accounts for the 6 bp difference between the two junction sequences. I agree with you, that it would be best to have the vector sequences present in the GenBank submission, and have the lacZ sequences ordered 5' to 3'. For citations, I think that the Gene paper is sufficient (and DIN/DIS correction for pCaSpeR-Bgal). Thanks for all your help! I am so happy that this got done - I continue to get requests for these sequences. Please let me know when you have accession numbers, Carl ----- End Included Message ----- ----- Begin Included Message ----- >From crosby Wed Aug 7 10:56:31 1996 Date: Wed, 7 Aug 96 10:56:29 EDT From: crosby (Madeline Crosby) To: cthummel@XXXX Subject: Casper-AUG-bgal sequences Cc: crosby Content-Length: 515 Carl, Sorry to be harrassing you, again, but this is a little disturbing: > Unfortunately, I found a >few other single base changes further downstream in CaSpeR, but I do not want >to get involved in proofing all 7.8 kb!! There could easily be errors within the polylinker sequence, which is only another 20-25bp. (Many necessary fill-ins, etc., performed during constructions never get mentioned.) These I would like to know about. The sequence beyond that should be okay (P3' published sequence). --Lynn ----- End Included Message ----- ----- Begin Included Message ----- >From cthummel@XXXX Wed Aug 7 12:10:35 1996 Date: 7 Aug 1996 10:10:20 U From: 'CThummel' <cthummel@XXXX> Subject: Re: Casper-AUG-bgal sequence To: 'Madeline