JP2003521922A5 - - Google Patents
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- JP2003521922A5 JP2003521922A5 JP2001558013A JP2001558013A JP2003521922A5 JP 2003521922 A5 JP2003521922 A5 JP 2003521922A5 JP 2001558013 A JP2001558013 A JP 2001558013A JP 2001558013 A JP2001558013 A JP 2001558013A JP 2003521922 A5 JP2003521922 A5 JP 2003521922A5
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- JP
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- Prior art keywords
- protein
- proteins
- array
- tagged
- antibody
- Prior art date
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- 102000004169 proteins and genes Human genes 0.000 description 24
- 108090000623 proteins and genes Proteins 0.000 description 24
- 239000003550 marker Substances 0.000 description 8
- 102000004965 antibodies Human genes 0.000 description 7
- 108090001123 antibodies Proteins 0.000 description 7
- 238000003498 protein array Methods 0.000 description 6
- 229920000272 Oligonucleotide Polymers 0.000 description 5
- 230000000295 complement Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 229920002676 Complementary DNA Polymers 0.000 description 2
- 229920000978 Start codon Polymers 0.000 description 2
- 239000002299 complementary DNA Substances 0.000 description 2
- 229920003013 deoxyribonucleic acid Polymers 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 108020004705 Codon Proteins 0.000 description 1
- 108010093488 His-His-His-His-His-His Proteins 0.000 description 1
- 108020004711 Nucleic Acid Probes Proteins 0.000 description 1
- 229920001850 Nucleic acid sequence Polymers 0.000 description 1
- 230000036462 Unbound Effects 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- YBJHBAHKTGYVGT-ZKWXMUAHSA-N biotin Chemical compound N1C(=O)N[C@@H]2[C@H](CCCCC(=O)O)SC[C@@H]21 YBJHBAHKTGYVGT-ZKWXMUAHSA-N 0.000 description 1
- 229960002685 biotin Drugs 0.000 description 1
- 235000020958 biotin Nutrition 0.000 description 1
- 239000011616 biotin Substances 0.000 description 1
- 150000001615 biotins Chemical class 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003100 immobilizing Effects 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- 108091022076 maltose binding proteins Proteins 0.000 description 1
- 102000006240 membrane receptors Human genes 0.000 description 1
- 108020004084 membrane receptors Proteins 0.000 description 1
- 239000002853 nucleic acid probe Substances 0.000 description 1
- 108020004707 nucleic acids Proteins 0.000 description 1
- 150000007523 nucleic acids Chemical class 0.000 description 1
- 230000004481 post-translational protein modification Effects 0.000 description 1
- 108020001580 protein domains Proteins 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
Description
【特許請求の範囲】
【請求項1】
(a)各々のタンパク質がN末端又はC末端の何れかにおいてマーカー部分によりタグ付加されたタンパク質をコードする複数のcDNA分子を提供すること;
(b)個々のタグ付加されたタンパク質を、空間的に分離されたフォーマットで発現させること;
(c)各々のタグ付加されたタンパク質を、単一のステップで、空間的に規定されたフォーマットで精製、固定して、タンパク質アレイを作成すること
を備えたタンパク質アレイを作成する方法。
【請求項2】
前記マーカー部分が、
(a)ヘキサヒスチジンタグ;
(b)完全なタンパク質又はタンパク質ドメイン;
(c)抗体のエピトープ;
(d)ビオチン類似物;および
(e)マルトース結合タンパク質ドメイン
からなる群より選択されるペプチド配列である、請求項1に記載の方法。
【請求項3】
前記マーカー部分が、タグ付加されたタンパク質の精製を可能とする請求項1又は2に記載の方法。
【請求項4】
前記アレイ中のタンパク質が、前記マーカー部分によって表面に固定化されている、請求項1〜3の何れか1項に記載の方法。
【請求項5】
前記マーカー部分が、翻訳後修飾されている、請求項1〜4の何れか1項に記載の方法。
【請求項6】
前記翻訳後修飾が、ビオチンまたは脂質分子の付加を含む、請求項5に記載の方法。
【請求項7】
前記タグ付加されたタンパク質が、正しく折り畳まれ、機能を維持している、請求項1〜6の何れか1項に記載の方法。
【請求項8】
前記タグ付加されたタンパク質が、完全長である、請求項1〜7の何れか1項に記載の方法。
【請求項9】
前記マーカー部分が、前記タグ付加されたタンパク質の発現の確認を可能にする、請求項1〜8の何れか1項に記載の方法。
【請求項10】
前記マーカー部分が、前記タグ付加されたタンパク質の折り畳みの確認を可能にする、請求項1〜9の何れか1項に記載の方法。
【請求項11】
タグ付加されたタンパク質をコードする前記cDNA分子が、前記1以上のDNA分子に存在する開始コドンの直後または停止コドンの直前の何れかに、マーカー部分をコードする追加の公知のDNA配列を挿入することを含む、以下の工程を備えた方法により作成される、請求項1〜10の何れか1項に記載の方法:
(a)前記1以上のDNA分子から入れ子状態の欠失物のセットを作成する工程;
(b)入れ子状態の欠失物のセットに、オリゴヌクレオチドの第一または第二のセットをアニーリングし、ライゲートする工程;ここで、
(i)3つの可能な停止コドンの一または複数の配列または相補配列は、オリゴヌクレオチドの第一のセットの混合物の中に提示され、
(ii)3つの主要な開始コドンの一または複数の配列または相補配列は、オリゴヌクレオチドの第二のセットの混合物の中に提示され、
(c)オリゴヌクレオチドの第一または第二のセットに相補的になるように選択されたオリゴヌクレオチドプライマーを用いたプライマー伸張反応により、ライゲート産物を特異的に増幅する工程。
【請求項12】
請求項1〜10の何れか1項に記載の方法であって、1以上のテスト化合物を、前記タンパク質アレイと接触させる工程と、前記アレイ中の前記タンパク質への前記1以上の化合物の結合を測定し、これにより前記1以上の化合物を生物学的活性についてスクリーニングする工程とを更に備えた方法。
【請求項13】
請求項1〜10の何れか1項に記載の方法であって、1以上のタンパク質、例えば、細胞表面受容体を、前記タンパク質アレイと接触させる工程と、前記1以上の特異的なタンパク質の、前記アレイの前記タンパク質との結合を測定し、これにより1以上のタンパク質を特異的なタンパク質−タンパク質相互作用についてスクリーニングする工程とを更に備えた方法。
【請求項14】
請求項1〜10の何れか1項に記載の方法であって、1以上の核酸プローブを、前記タンパク質アレイと接触させる工程と、前記プローブの、前記アレイ中の前記タンパク質への結合を測定し、これにより1以上のタンパク質を特異的なタンパク質−核酸相互作用についてスクリーニングする工程とを更に備えた方法。
【請求項15】
請求項1〜10の何れか1項に記載の方法であって、前記タンパク質アレイ中の1以上のタンパク質が抗体ライブラリー中の少なくとも1つの抗体に結合するように、前記タンパク質アレイを、抗体ライブラリーと接触させる工程と、結合していない全ての抗体を除去する工程と;前記タンパク質アレイ中のタンパク質に結合した抗体を固定化し、これにより抗体アレイを作成する工程とを更に備えた方法。
[Claims]
(1)
(A) that each of the proteins to provide a plurality of cDNA molecules encoding tagged proteins by Oite marker moiety to either the N-terminus or C-terminus;
(B) expressing the individual tagged proteins in a spatially separated format;
(C) purifying and immobilizing each tagged protein in a single step in a spatially defined format to produce a protein array, comprising: Method.
(2)
Wherein the marker portion is
(A) a hexahistidine tag;
(B) the complete protein or protein domain;
(C) an epitope of the antibody;
(D) a biotin analog; and
(E) Maltose binding protein domain
2. The method of claim 1, wherein the method is a peptide sequence selected from the group consisting of:
(3)
3. The method of claim 1 or 2, wherein the marker moiety allows for purification of the tagged protein.
(4)
The method according to any one of claims 1 to 3 , wherein the proteins in the array are immobilized on a surface by the marker portion .
(5)
The method according to any one of claims 1 to 4, wherein the marker portion is post-translationally modified.
6.
6. The method of claim 5, wherein said post-translational modification comprises addition of biotin or a lipid molecule.
7.
The method according to any one of claims 1 to 6, wherein the tagged protein is correctly folded and retains its function.
Claim 8.
The method according to any one of claims 1 to 7, wherein the tagged protein is full length.
9.
9. The method according to any one of the preceding claims, wherein the marker moiety allows confirmation of the expression of the tagged protein.
10.
10. The method of any one of claims 1 to 9, wherein the marker portion allows for confirmation of folding of the tagged protein.
11.
The cDNA molecule encoding the tagged protein inserts an additional known DNA sequence encoding a marker moiety either immediately after the start codon or immediately before the stop codon present in the one or more DNA molecules. A method according to any one of the preceding claims, wherein the method is made by a method comprising the following steps:
(A) creating a set of nested deletions from the one or more DNA molecules;
(B) annealing and ligating a first or second set of oligonucleotides to a set of nested deletions;
(I) one or more sequences or complements of the three possible stop codons are presented in a mixture of the first set of oligonucleotides;
(Ii) one or more sequences or complementary sequences of the three major start codons are presented in a mixture of the second set of oligonucleotides;
(C) a step of specifically amplifying the ligated product by a primer extension reaction using an oligonucleotide primer selected to be complementary to the first or second set of oligonucleotides.
12.
11. The method according to any one of claims 1 to 10 , wherein contacting one or more test compounds with the protein array and binding the one or more compounds to the proteins in the array. measured, thereby further method and a step of screening said one or more compounds for biological activity.
Claim 13
The method according to any one of claims 1 to 10, wherein one or more proteins, for example, a cell surface receptor, is contacted with the protein array ; method further comprising the step of screening for protein interactions - the measured binding of the protein, thereby specific protein one or more proteins of the array.
14.
The method according to any one of claims 1 to 10, one or more nucleic acid probes, comprising the steps of contacting said protein array, the probe, and measuring binding to the proteins in the array , thereby specific protein one or more proteins - method further comprising the step of screening for nucleic acid interactions.
15.
The method according to any one of claims 1 to 10, as one or more proteins in the protein array bind to at least one of the antibodies in the antibody library, the protein arrays, antibody live how immobilized antibody bound to the proteins in the protein array, with which further a step of making antibodies array; a step of contacting the slurry, removing any unbound antibody.
Applications Claiming Priority (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0002515.2 | 2000-01-31 | ||
GB0002215.2 | 2000-01-31 | ||
GB0002215A GB0002215D0 (en) | 2000-01-31 | 2000-01-31 | Method |
US19649000P | 2000-04-12 | 2000-04-12 | |
US60/196,490 | 2000-04-12 | ||
GB0019888A GB0019888D0 (en) | 2000-08-11 | 2000-08-11 | Method |
GB0019888.7 | 2000-08-11 | ||
PCT/GB2001/000395 WO2001057198A2 (en) | 2000-01-31 | 2001-01-31 | Methods of generating protein expression arrays and the use thereof in rapid screening |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2003521922A JP2003521922A (en) | 2003-07-22 |
JP2003521922A5 true JP2003521922A5 (en) | 2008-03-21 |
JP4730804B2 JP4730804B2 (en) | 2011-07-20 |
Family
ID=26243526
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2001558013A Expired - Lifetime JP4730804B2 (en) | 2000-01-31 | 2001-01-31 | Method |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP4730804B2 (en) |
DE (1) | DE60142765D1 (en) |
GB (1) | GB2361698B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2384239A (en) | 2001-12-05 | 2003-07-23 | Sense Proteomic Ltd | Arrays of protein variants |
WO2023114452A1 (en) * | 2021-12-17 | 2023-06-22 | Absci Corporation | Solid-phase screening for high-performing bacterial strains |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5652128A (en) * | 1993-01-05 | 1997-07-29 | Jarvik; Jonathan Wallace | Method for producing tagged genes, transcripts, and proteins |
CA2302147C (en) * | 1997-09-03 | 2008-05-13 | Biovation Limited | Methods for protein screening |
JP2002502038A (en) * | 1998-01-29 | 2002-01-22 | ミラー,サミュエル | High density arrays for proteome analysis and methods and compositions therefor |
JP2002510505A (en) * | 1998-04-03 | 2002-04-09 | フィロス インク. | Localizable protein arrays |
US6406921B1 (en) * | 1998-07-14 | 2002-06-18 | Zyomyx, Incorporated | Protein arrays for high-throughput screening |
CA2372795A1 (en) * | 1999-07-12 | 2001-01-18 | Robert G. Kuimelis | C-terminal protein tagging |
-
2001
- 2001-01-31 GB GB0102454A patent/GB2361698B/en not_active Expired - Lifetime
- 2001-01-31 JP JP2001558013A patent/JP4730804B2/en not_active Expired - Lifetime
- 2001-01-31 DE DE60142765T patent/DE60142765D1/en not_active Expired - Lifetime
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