重組蛋白A/G/L是一種基因工程蛋白,蛋白 A/G/L結(jié)合了所有蛋白A、蛋白G 和蛋白L的IgG 結(jié)合譜,是一種基因融合產(chǎn)物。其含有蛋白A的5個IgG結(jié)合區(qū)、蛋白G的2個區(qū)和蛋白L的5個結(jié)合區(qū),細胞壁結(jié)合區(qū)、細胞膜結(jié)合區(qū)和白蛋白結(jié)合區(qū)已從重組蛋白A/G/L中去除,以確保最大的特異性IgG結(jié)合。重組蛋白 A/G/L 是純化多克隆或單克隆 IgG 抗體的理想選擇。蛋白A / G / L與人,小鼠,大鼠牛,山羊,綿羊,兔,豚鼠,豬,狗和貓結(jié)合IgG。
產(chǎn)品性質(zhì)
來源 |
E.coli |
分子量 |
Approximately 89.3 kDa with a Cys on C-terminus, a single non-glycosylated polypeptide chain containing 806 amino acids. |
氨基酸序列 |
NAAQHDEAQQ NAFYQVLNMP NLNADQRNGF IQSLKDDPSQ SANVLGEAQK LNDSQAPKAD AQQNNFNKDQ QSAFYEILNM PNLNEAQRNG FIQSLKDDPS QSTNVLGEAK KLNESQAPKA DNNFNKEQQN AFYEILNMPN LNEEQRNGFI QSLKDDPSQS ANLLSEAKKL NESQAPKADN KFNKEQQNAF YEILHLPNLN EEQRNGFIQS LKDDPSQSAN LLAEAKKLND AQAPKADNKF NKEQQNAFYE ILHLPNLTEE QRNGFIQSLK DDPSVSKEIL AEAKKLNDAQ APKEEDSLEG SGSGTYKLIL NGKTLKGETT TEAVDAATAE KVFKQYANDN GVDGEWTYDD ATKTFTVTEK PEVIDASELT PAVTTYKLVI NGKTLKGETT TKAVDAETAE KAFKQYANDN GVDGVWTYDD ATKTFTVTEE PRARPGSGSG KEETPETPET DSEEEVTIKA NLIFANGSTQ TAEFKGTFEK ATSEAYAYAD TLKKDNGEYT VDVADKGYTL NIKFAGKEKT PEEPKEEVTI KANLIYADGK TQTAEFKGTF EEATAEAYRY ADALKKDNGE YTVDVADKGY TLNIKFAGKE KTPEEPKEEV TIKANLIYAD GKTQTAEFKG TFEEATAEAY RYADLLAKEN GKYTVDVADK GYTLNIKFAG KEKTPEEPKE EVTIKANLIY ADGKTQTAEF KGTFAEATAE AYRYADLLAK ENGKYTADLE DGGYTINIRF AGKKVDEKPE EKEQVTIKEN IYFEDGTVQT ATFKGTFAEA TAEAYRYADL LSKEHGKYTA DLEDGGYTIN IRFAGC |
280 nm 處1個單位DO的濃度 |
1.412 mg/ml |
外觀 |
無菌過濾的白色凍干粉末 |
純度 |
> 95% by SDS-PAGE and HPLC analyses |
內(nèi)毒素水平 |
< 0.1 EU/μg of protein by the LAL method |
配方 |
無添加劑,凍干 |
復溶 |
蒸餾水或鹽水溶解 |
運輸與保存方法
冰袋運輸。-20℃保存,一年有效期。建議第一次使用時分裝凍存,避免反復凍融。
注意事項
附錄1. 蛋白A、G和L對不同物種Ig的結(jié)合能力總表
種屬 |
|
Protein A |
Protein G |
Protein L |
Protein A/G |
Protein A/G/L |
人 |
lgG |
+++ |
+++ |
+++ |
+++ |
+++ |
lgG1 |
++++ |
++++ |
++++ |
++++ |
++++ |
|
lgG2 |
++++ |
++++ |
++++ |
++++ |
++++ |
|
lgG3 |
|
+++ |
+++ |
+++ |
+++ |
|
lgG4 |
++++ |
++++ |
++++ |
++++ |
++++ |
|
lgA |
+ |
|
+++ |
+ |
+++ |
|
lgA1 |
+ |
|
+++ |
+ |
+++ |
|
lgA2 |
+ |
|
+++ |
+ |
+++ |
|
lgD |
|
|
+++ |
|
+++ |
|
lgE |
++ |
|
+++ |
|
+++ |
|
lgM |
+ |
|
+++ |
|
+++ |
|
Fab |
+ |
|
+++ |
|
+++ |
|
ScFv |
+ |
|
+++ |
|
+++ |
|
小鼠 |
lgG |
++ |
++ |
+++ |
+++ |
+++ |
lgG1 |
+ |
++++ |
+++ |
+++ |
++++ |
|
lgG2a |
++++ |
++++ |
+++ |
++++ |
++++ |
|
lgG2b |
+++ |
+++ |
+++ |
+++ |
+++ |
|
lgG3 |
++ |
+++ |
+++ |
+++ |
+++ |
|
lgM |
|
|
+++ |
|
+++ |
|
大鼠 |
lgG |
+ |
++ |
+++ |
++ |
+++ |
lgG1 |
|
+ |
+++ |
++ |
+++ |
|
lgG2a |
|
++++ |
+++ |
+++ |
+++ |
|
lgG2b |
|
++ |
+++ |
+ |
++++ |
|
lgG2c |
++ |
++ |
+++ |
+++ |
+++ |
|
lgG3 |
+ |
++ |
? |
++ |
++ |
|
馬 |
lgG |
++ |
++++ |
? |
++++ |
++++ |
lgG(ab) |
+ |
|
? |
+ |
+ |
|
lgG(c) |
+ |
|
? |
+ |
+ |
|
lgG(T) |
|
+++ |
? |
+++ |
+++ |
|
山羊 |
lgG |
+ |
++ |
|
+++ |
+++ |
lgG1 |
+ |
+++ |
|
+++ |
+++ |
|
lgG2 |
+++ |
+++ |
|
+++ |
+++ |
種屬 |
|
Protein A |
Protein G |
Protein L |
Protein A/G |
Protein A/G/L |
豚鼠 |
lgG |
+++ |
+ |
? |
+++ |
+++ |
lgG1 |
++ |
+ |
? |
++ |
++ |
|
lgG2 |
++ |
+ |
? |
++ |
++ |
|
綿羊 |
lgG |
+ |
++ |
|
+++ |
+++ |
lgG1 |
+ |
++ |
|
+++ |
+++ |
|
lgG2 |
+++ |
+++ |
|
+++ |
+++ |
|
牛 |
lgG |
+ |
+++ |
|
+++ |
+++ |
lgG1 |
+ |
+++ |
|
+++ |
+++ |
|
lgG2 |
+++ |
+++ |
|
+++ |
+++ |
|
兔子 |
lgG |
+++ |
+++ |
+ |
+++ |
+++ |
貓 |
lgG |
+++ |
+ |
? |
+ |
+++ |
狗 |
lgG |
++ |
+ |
? |
+++ |
+++ |
豬 |
lgG |
+++ |
++ |
+++ |
+++ |
+++ |
猴子 |
lgG |
++++ |
++++ |
? |
++++ |
++++ |
倉鼠 |
lgG |
+ |
++ |
+++ |
++ |
++ |
驢 |
lgG |
++ |
+++ |
? |
+++ |
+++ |
HB230208
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