第四章 样品的全息制备

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第四章 样品的全息制备. 1 生物大分子的制备 2 蛋白质(酶)的分离纯化. 1 生物大分子的制备. 1.1 概述 1.2 生物大分子制备的前处理 1.3 生物大分子的分离纯化 1.4 样品的保存. 1.1 概述.   在生命科学高度发展的今天,蛋白质、酶和核酸等生物大分子的结构与功能的研究是探求生命奥秘的中心课题,而生物大分子结构与功能的研究,必须首先解决生物大分子的制备问题, 如果没有能够达到足够纯度的生物大分子的制备工作 为前 提 , 结构与功能的研究就无从谈起 。然而生物大分子的分离纯化与制备是一件十分细致而困难的工作。. - PowerPoint PPT Presentation

Transcript of 第四章 样品的全息制备

  • 1 2

  • 1 1.1 1.2 1.3 1.4

  • 1.1

  • pH

  • HPLC

  • (/)

  • pH

  • 1.2 1.2.1

  • 1.2.2 (1) 1000020000r/min

  • (2) -15-20401000105 Pa2000105 Pa 90

  • (3) pH 37pH815 SDS

  • 1.2.3 pHpH

  • 1) ()DNA-(KClNaClNH4Cl(NH4)2SO4)

  • 2) pHpHpH=68pH 3) 05 4) pH 5)

  • 1.3

  • 1.3.1 pH

  • pH (Polyethyene glycol, PEG)

  • 1.3.1.1

  • -COOH -NH2 -OH 1100nm

  • (NH4)2SO41)(04)0 (g/100ml) 0 20 80 100 (NH4)2SO4 70.6 75.4 95.3 103 Na2SO4 4.9 18.9 43.3 42.2 NaH2PO4 1.6 7.8 93.8 1012)7543)23mol/L(NH4)2SO44)

  • (mg)

    10 20 30 40 50 60 70 80 90 100

  • 1) 2.53.02530mg/mL2) pHpH3) 04

  • 1.3.1.2 ()

  • 520mg/mL

  • pHpH5

  • 1.3.1.3 pH

  • 1.3.1.4

  • 1.3.1.5 HOCH2(CH2OCH2)nCH2OH (n4)(Polyethylene GlycolPEG)600020000 PEGPEG

  • 1.3.2 (MwCO) 10KD 1 BaCl2 (NH4)2SO41AgNO3 NaClKCl

  • 1.3.3

  • 4104Pa5001411044104 7105Pa10-10035105140105Pa10

  • pH1050

  • pH1-149012 (cm3/(cm2h))()()

  • 1.3.4

  • OOC-40 0.1mmHg -60 0.01mmHg100580

  • 1.3.4.1 pHpH 15 mg/mL

  • 1.3.4.2 2 cm -

  • 1.3.5

  • 1.3.5.1 (1) (2)

  • (3) ()

  • 1.3.5.2 (1) HPLC(2) 1/101/6

  • () -20-70

  • 1.4 1013

  • pHpH

  • -5-20-70HCl9050601530 min

  • (14mol/L)MgSO4NaCl(NH4)2SO4

  • 2 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9

  • (1) .(2) (3) :

  • 2.1 (Enzyme Activity) mol/s2.1.1 2.1.2 /

  • (Molar Catalytic Activity) Vmax=K0[E] K0=Vmax/[E]K0 (Kcat)n

    (1/s) (1/s) 600,000 100 25,000DNA 5 2,000Trp 2 1,000 0.5

  • 2.1.3 () (Specific Activity) IU/mg 2.1.4 pH2.1.4.1 (Stopped Method) SDS

  • + O2 + H2O2H2O2:

  • 4- 435nm A435 4-H2O2 () 5

  • ATP -6-P--6- -6-P + NADP+ 6-P- + NADPH + H+ 340nm

  • (2) NH3CO2

  • 3H

  • 2.1.4.2 (Continuous Method)

  • +NAD+ +NADH+H++NADH +NAD+340nmNADH340nmNADH(Glycosidase)Methylumbelvifery + glucoside + Methylumbeviferone (Methylumbelviferone) + mgATP 6-P- + ADP + H+pHpH405nm

  • (pH) (Aldolase) 1,6-3-P- (Triose Phosphate Isomerase) (Coupling Enzyme)-1-P- (Glycerol-1-Phosphate Dehydrogenase) NADH NAD+

  • 1-P-

  • 2.1.4.3 515 ()pH (v) (E) v (E)

  • [S][E]/ 5min10min

  • 2.1.4.4 : O2+ O2+2H+ H2O2 + O2 O2 O2 O2 SOD (ESR) (NMR)SODSOD50%SOD 1 (1) (SOD)

  • pH8.250mmol/L Tris-HCl4.5ml2520min45mmol/L10mol/L HCl10l1cm 30s 325nm 0.070 OD/min 10l 10l 4.5(u/ml) = {([(0.07 - )/0.07]100%)/50%} (/) = (u/ml)

  • (2)400nm 5mmol/L 200ulpH4.60.2mol/L 0.1mol/L 200ul3710minl100ul37 15min0.5mol/L Na2CO3 1ml () 400nm A 1mol1

  • 2.2 2.2.1

  • 2.2.1.1(1) (2) (3) 2-15(4) N2/CO237(5) (6 )

  • 2.2.1.2 (1) EDTATrisMgCl2(2) 25-30 35-403-52-3h(3) (4) -1,4-(5) pH

  • 2.2.2 2.2.2.1 pH pHpHpH pH 4-6

  • 2.2.2.2 0.020-0.050 mol/L0.15mol/L NaCl2.2.2.3 0-4372.2.2.4 1-52.2.2.5 ,LysC

  • - Cyt C0.145mol/LTCA TritonTweenTeepolSDS0.1 8

  • Al(OH)3Ca3(PO4)2

    (%) 1.210.611.3 2.410.123.8 3.811.233.9 8.411.970.6 10.411.689.7 9.911.685.9 2.910.926.6

  • 2.2.3 1-l0m1.03

  • 200mlpH 6.4

    0.26% (PAM) 200-300, 328-429l/L, 25%Al2(SO4)3, 0.65-0.84%, PAMAl2(SO4)3 (), 400-500, 0.0047% PAM, 105 l/L1.5-2.0%AlCl36H2O 1%, PAM 60l/L, Na2HPO4 1.5%, CaCl2 2.5%, pH 8.00.8ml/5min4.5ml/5min

    29ml/5min

    24ml/5min

    5, 500L/h - 1000mlpH 6.9

    - 1000ml 8471 100mlpH4.0 Al2(SO4)3 25ml, 0.47%,200 PAM (0.13%) 300ml, 294l/L, 1.7%, PAM 0.35% (350l/L)30% 4ml, 700PAM 0.2% (74l/L)20ml23min20ml35min

    1, 81.5ml/min1.7,

  • 0.1-1.5

  • pHpH Duolite S3011pH5.555pH5.50.5-1 (Na2SO3NaHSO3)

  • 2.2.4 0.1-1

  • 1/4pH2.2.4.1 pHpH 7NaH2PO4pH3.5

  • 2.2.4.3 pH2.2.4.2

  • .2.4.4 Sephadex G-250G-502.2.4.5 (1) (2) (3)

  • 2.3 MnCl20.1-0.2410,500r/min.2.3.1

  • (1)(2)(3)(4)(5)

  • (IU/ml)(mg/ml)(ml) 2.3.2 1993, 25(1):27 (Agave americana) 30Sephadex G-50SP-Sephadex C-50:

    (ml)(mg)(IU)(IU/mg)(X)(%) 1. 11036564682.10177.30- 2. 10145.547179.84324.401.83 3. Sephadex G-506523.338810.341665.689.40 4. SP C-504011.436563.453207.3218.10 5. -6.2829642.344346.3424.50

  • 2.3.3

  • 2.3.3.1 pH

  • (1) 50(2) 3-50mg/ml(3) (4) 0-44 (5)pH pH0.2pHpHpI

  • (6) Ca2+Zn2+Co2+Ni2+Cd2+Cu2+Mg2+Mn2+(7)

  • (1) (2) pH 2.3.3.2

  • (3) 1mg/ml104(4) (5) pH(6)

  • (1) (2) (3) 10(4) 2.3.4

  • (0-4) pH pHpH 2.3.5 (1)

  • SH--GSHDTT Ca2+-Mn2+Cl-1 (2)

  • 2.4 2.4.1 (Dialysis)

  • (Ultrafiltration)

  • (1) 0.2mm,4-20a b

  • 5%a)b)
  • 40

  • 2.4.2 (20,000r/min) (80,000r/min) (ac)ac (W, 1/S) (r, cm) ac W2r2 W2 n/60 n ac42n2 r/3600R.C.F g(g980cm/s2) R.C.F 4 2n2 r/3600 980 R.C.F11.18 10-6n2r

  • ()(r)(0)(g/cm.s)(t)Xt(cm), Xb(cm)

  • 2.4.3 (Gelfitration) (Gelfitration Chromatography) (Molecular-Exclusion)(Moleculai-Sieve Chromatography) ()

  • 2.4.3.1 (1) 1000-500000Sephadex G ()Gg () 10Sephacyl-SN,N-Sephadex-LH

    (m)(mg/g )(mg/g )(h)(Mw)(Mw)20100 G-1040-120

  • (2) N,N-Bio-Gel PP-1000 ()

    (m)(Mw)(mg/g )(mg/g )(h)20P-250-400150-40200-20001.532-42P-450-400150-40800-40002.44.82-42P-50-400150-401000-60003.77.42-42P-1050-400150-401500-200004.59.42-42P-3050-400150-402500-400005.711.410-123P-6050-400150-403000-600007.214.410-123P-10050-400150-405000-1000007.515.4245P-15050-400150-4015000-1500009.718.4245P-20050-400150-4030000-20000014.729.4435P-30050-400150-4060000-40000018.036.0485

  • (3) D-3,6-Sepharose2B4B6BBDNASepharose CLDio-Gel A

    (m) (%) 6B40-2101104 41066 4B40-19010421074 2B50-25010421072 A0.5m

  • pH4-9pH2.2.4.3.2 A280VeRs

  • Rs/Rs1.2Rs ( ) fpr2/L, fPr1/4-1/201/100-1/500.1%

  • 2.4.3.3 (Vt)(VoVt31 (Ve)(Vt-Vo)80VoVt30-3555 8-109010

  • 2.4.3.4 0.1mol/HCl0.1mol/LNaOH002NaN3

  • 2.5.1 (Ionic Stength)(Salting Out) :2.5 .

  • O697g/L25767g/L).1000 4mol)100m1S1S2ml(V) VVo(S2-S1)/(1-S2) 025SlS21L:

  • %20253035404550556065707580859095100

    (%)1L *0106134164194226258291326361398436476516559603650697579108137166197229262296331368405444484526570615662105381109139169200233266301337374412452493536581627152654821111411722042372713063433814204605035475922002755831131431752072412763123493874274695125572502756841151461792112452803173553954364785223002856861171481812142492853233624024454883502857871181511842182542913293694104534002958891201531872222582963353764184502959901231561902262633023423835003060921251591942302683083485503061931271611972352733136003162951291642012312796503163971321682052447003265991341712097503266101137174800336710313985034681059003470950351000* 0

  • %10202530333540455055606570758090100

    (%)1L *05611414417619620924327731335139043047251656166276710578611813715018321625128832636540644949459269420295978911231551892252623003403804245206192530496193125158193230267307348390485583301930629412716219823527331435644954633124374107142177214252292333426522353163941291642002382783194115064031639713216820524528537546945326599134171210250339431503366101137176214302392553367103141179264353603469105143227314653470107190275703572153237753611519880771579079* 25

  • pHpHPIpH5pH601mg/ml100ug/ml(200ug-1mg)/m1 .,

  • 2.5.2 (Dielectric Constant). 2.5.2.1 0-15-20

  • 2.5.2.2 Sumner32.(m1) V=Vo(S2-S1)/(S-S2)VVoSS1S2

  • 2.5.2.3 5-100.05molZn2+Ba2+pH0.05-0.02molZn2+. pHpHPI

  • 2.5.2.4 pH(Isolectric PointpI)pHpH.pIPIpHpHPHPIpH

  • 2.5.2.5 1964Polson(PFG)(PEI)(SDS)PEG6,0004,00020(W/V)pHPEGEcoRPEIPEI0.2mol KClDNAKCl0.6molEcoR

  • 2.5.2.6 (PAA)PAA

    PAA + PAA- PAA- + Ca2+ PAA-Ca2++ PAA-Ca2+ + SO42- CaSO4+ PAA

    PAA

  • 2.6 2.6.1

  • 2.6.1.1 .5-10

  • 5-1010.13-5 pH4-6)5NaCO3pH6.5-7.0NaCl1/570-85

  • 2.6.1.2 Ca2+50g/L0.5h1mol/L EDTA0.1mol/L NaOH1mol/LHCl

  • 2.6.1.3 (Ion-Exchange Chromatography) pH(1)

  • Dowex#704#724#732101101AmberliteCC-50

  • : pH: . (2.5 - 4.5mmol/gpH

  • pHpHpH

  • pK(mmol/g)DEAE-9.1-9.50.1-1.1TEAE-100.5-1.0GE-0.2-0.5pHECTEOLA+7.4-7.60.1-0.5DEAE-Sephacel1.40.1DEAE-Sephadex A-253.50.5 A-50QAE-Sephadex A-25-2-3.00.4 A-50DEAE-Sepharose0.130.02CM-3.6P-1-2pHSE-6.0-6.5pHCM-Sephadex G-252.24.50.5 G-50SP-Sephadex G-252.30.3 G-50CM-Sepharose CL-6B0.120.02

  • (2) : pIpHpIpHpIpH pI69pH6pH9pH

  • (3) pHpHpIpHpI1pH

  • (4)

    0.5mol/L0.5h0.2mol/LpH

  • pH1/41/315pH/pH/pH

    pHpHTrispI1 pHGlypI1 pH

  • .

    pH pIpI

  • 2.6.22.6.2.1 (electrophoresisEP)

  • 2.6.2.2 18081937Tiselius A121948

  • 2050601967 Shapiro A LSDS-7090

  • 2.6.2.3(1)

    NaCl Na+ + Cl

    H+

  • (2)(mobility)QE F = QE (1)FStock F = 6 r v (2)vrStocksF

  • F=F(1)(2)

    3 mE (V/cm) t(s)d(cm) (1 V/cm) 4

  • (3)(4) Q m = (5) 6r (4)cm2s-1V-1

  • (3)vEJK

  • v = mE= mJ/K (6)vEmJmK

  • 2.6.2.4 (1) (zone electrophoresis, ZEP) (3-2a)(2) (moving boundary electrophoresis, MBEP)(3-2b)(3) (steady state electrophoresis) (isotachophoresis, ITP) (isoelectric focusing, IEF) (2c2d)

  • a b c d a b c d

  • 2.6.3 (Chromatofocusing) (pH7-9)pHPHpHpH6-9pH9 (pH) (pH6-9)pH7 (pH)pH7-97-9pH7-9pHpH7-9pH

  • (1)(2)pH(3)pHPH5-10ml(4)pH(5)

  • pH10.5-9PBE118pH 1110.5-8PBE1180.025mol/L -HClpH8.0 Pharmalytic pH8.0-10.5 HCl1:451.511.513.010.5-7PBE118-HClpH7.0 Pharmalytic pH8.0-10.5 HCl1:452.011.513.59-8PBE 94pH9.40.025mol/L -HClpH8.0 Pharmalytic pH8.0-10.5 HCl1:451.510.512.09-7PBE 94-HClpH7.0Polybuffer 96-HCl1:102.012.014.09-6PBE 94pH9.40.025mol/L -CH3COOHpH6.0Polybuffer 96- CH3COOH1:101.510.512.08-7PBE 94pH8.30.025mol/L Tris-HClpH7.0Polybuffer 96-HCl1:131.59.010.58-6PBE 94pH8.3 0.025mol/L Tris- CH3COOHpH6.0Polybuffer 96- CH3COOH1:133.09,012.08-5PBE 94Tris- CH3COOHpH5.0Polybuffer 96(30%)+Polybuffer 74(70%) - CH3COOH1:102.08.510.57-6PBE 94pH7.4 0.025mol/L CH3COOHpH5.0Polybuffer 96- CH3COOH1:3.07.010.07-5PBE 94pH7.4 0.025mol/L HClpH5.0Polybuffer 74- HCl1:82.511.514.07-4PBE 94pH7.4 0.025mol/L HClpH4.0Polybuffer 74- HCl1:82.511.514.06-5PBE 94pH6.2 0.025mol/L HClpH5.0Polybuffer 74- HCl1:102.08.010.06-4PBE 94pH6.2 0.025mol/L HClpH4.0Polybuffer 74- HCl1:82.07.09.05-4PBE 94pH6.2 0.025mol/L HClpH4.0Polybuffer 74- HCl1:103.09.012.0

  • 2.7 2.7.1

  • 2.7.1.1 (Sepharose CL-4B6B)(1) (2) .(3) .(4) pH,

  • 2.7.1.2 (1) -10-8 mol10-4 mol

  • 1-20umol/ml(2) --DL-DL-

  • 2.7.1.3 pH1-520-30mg/m110m1/cm2h

  • (1)Amp-Sepharose(2)pHpH

  • Con A--D- -D-(--D-)(0-0.5mol/L); pH3; (0.1mol/L, pH6.5)Con A, (--D-)(0-0.1mol/L)N---D- (T-)(N---D-)N---D- (T-)Poly (u)-Poly A, A-mRNA(90%)Poly (A)-Poly u, u-hnRNAmRNARNA(90%)RNALysinerRNA(0.2mol/L) (0.05-0.3mol/L NaCl)Cibacron (Blue Dextran)(>50)2-NAD+(0-0.2mol/L); (0-1mol/L NaCl); pH5-AMP 2,5-ADPNAD+ NADP+NAD(P)+ATPNAD+, NAD+(0-0.2mol/L); (1mol/L); pH

  • pH-0.5mol/L NaClpH8.50.1mol/L Tris-HClpH8.50.5mol/L0.1mol/L pH4.5pH4.52.7.1.4 1

  • 0.1mol/L NaOH1100-150mg250-300mg)NaOHpHpHpHll3010-20minBrCNpH5-10

  • R-NH2 (2-3min412h41mol/L 4h412h

  • 2mol/LNa2CO352g BrCN2min

  • 1.33-6mol/L45-508h0.1mol/LNaOH50m1100ml0.3mol/L HCl10m1 1mol/LNaNO22-5min0.3mol/L HCl0.1mol/L41-2h2mol/L NH4Cl lmol/L NH4OH(pH8.8)4h

  • X

  • A. NH2(CH2)nNH2--N-BrCN-NH-(CH2)n-NH2100ml100m1(100mol/L)5mol/LNaOH pH630pH45h2ml0.1mol/L NaOH2430-40min

  • 2L1L300ml300-400ml300mlN-

  • -NH2410min6hpH5-8.51mmolGlypH92h

  • B.

  • (1) (Micrococcus lysodeikticus)Separose 4BDBrCNpH1068mg100-20080(2) 218090

  • (3) NAD+NADP+ATPAMPBrCN

  • NAD+40502.7.2 (1) 5mm(2) 5mm(3) 5-6cm

  • 2.7.3 2.7.3.1BrCN

  • 2.7.3.2 2.7.3.3 2.7.3.4 2.8 2.8.1 -7010-15min- -70-pH

  • 2.8.2 pH-pH3--

  • 2.8.3 -pH

  • 2.9

  • 190519521956(Golav)-5060,

  • ,15pH

  • 2.9.1.1 HPLC (High Performance Liquid Chromatagraphy, HPLC) 2.9.1

  • (1) A, B)150-450kg/cm2 HPLC

  • 10-30cm2.1-4.6mm5-10um60HPLC

  • 2.9.1.2 HPLC HPLC2.3m0.1m)100ml/minHPLC

  • 2.9.2 (Size Exclu Chromatogyaphy, SKEC(GFC),8010-15um5-400nm500025-30nm5,000-5,000,000

  • pHpH6.5-8.01ml/min100 1. 2. 3.4. 5.C

  • 2.9.3 (Ion Exchange Chromatogmphy, IEC)IEC IECIECIEC-

  • .pHpHpH 5-8pH 5.51mol/L KH2PO4pH 8, 0.5mol/L NaAcpHpIpHpIpIpHpIpH

  • .pH80

  • 2.9.4 (Reversed Phase Chromatography, PRC)PRC-pH 3-7HPLC

  • 2.9.4.1 C18C8CNC18C18C2C18C18CN10,0005-10nm20,00020-50nn

  • 2.9.4.2

  • (TFA)(HFBA)2.9.5 (Hydropholic Interraction Chromatography, HIC)

  • HICHICHIC RPCHICHICPRCHICHICpH6-7pH