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美國Hampton Research公司位于加利福尼亞州,成立于1991年,是一家從事蛋白質(zhì)晶體研究研制的專業(yè)公司,為全球科研人員提供全面的蛋白晶體研究試劑、相關(guān)工具耗材及完整的晶體培養(yǎng)整體解決方案。美國Hampton Research公司以其先進(jìn)的生物大分子結(jié)晶技術(shù)和廣泛的生產(chǎn)線,長期以來在蛋白結(jié)晶領(lǐng)域擁有很高的知名度,為科研人員提供了方便,促進(jìn)了蛋白質(zhì)晶體結(jié)構(gòu)學(xué)的研究,為世界范圍內(nèi)的蛋白質(zhì)晶體研究人員所信賴。
蛋白質(zhì)結(jié)晶是處于沉淀和溶液之間的一種狀態(tài),其形成是由于蛋白質(zhì)分子之間通過規(guī)律地排列而形成規(guī)則固體。
因?yàn)榈鞍踪|(zhì)具有離子的性質(zhì),理論上蛋白質(zhì)在合適的條件下是可以結(jié)晶的,蛋白質(zhì)又具有離子不具備的特性,比如蛋白質(zhì)種類繁多、成分復(fù)雜、分子量大等,不像NaCI那樣,去掉水就自動結(jié)晶,劇烈的條件改變會引起蛋白的變性,使蛋白失去穩(wěn)定結(jié)構(gòu)而不再可能結(jié)晶。
如果想要蛋白質(zhì)結(jié)晶,我們首先需要對目標(biāo)蛋白有足夠的了解,因?yàn)橛绊懙鞍踪|(zhì)結(jié)晶的因素非常多,包括蛋白質(zhì)的緩沖體系、是否有翻譯后修飾、是否有二硫鍵或游離半胱氨酸、是否有蛋白酶抑制劑存在、蛋白質(zhì)適合的pH值范圍、蛋白質(zhì)是否為多聚體以及是否為跨膜蛋白等,這些因素都會影響蛋白質(zhì)結(jié)晶的成功與否。
因此,大部分科研工作者會篩選非常多的條件來尋找最優(yōu)結(jié)晶條件,這時我們就需要篩選試劑來輔助蛋白結(jié)晶工作。美國Hampton Research公司有非常廣泛的產(chǎn)品組合,包括結(jié)晶初步篩選、結(jié)晶優(yōu)化篩選、定制單組分結(jié)晶試劑和結(jié)晶生長優(yōu)化試劑等。除了篩選試劑外,美國Hampton Research公司還有各種結(jié)晶板、配套工具、低溫晶體學(xué)相關(guān)產(chǎn)品和蛋白結(jié)晶相關(guān)書籍等,為廣大蛋白結(jié)晶領(lǐng)域的科研工作者提供了方便。
Hampton research主要產(chǎn)品:
1. Crystallization Screens 用于篩選和優(yōu)化蛋白質(zhì)/多肽/核酸結(jié)晶的一系列經(jīng)驗(yàn)證的高精配方型溶液,
2. Optimize Reagents 結(jié)晶級別鹽類,聚合物,有機(jī)溶液或緩沖液
3. Crystallization Plates, Hardware &
Accessories 結(jié)晶板(懸滴法和坐滴法,微量透析,微配液,自由界面擴(kuò)散,凝膠以及無容器懸浮法)及其他配件
4. Cryocrystallography 低溫晶體學(xué)耗材如 Crystalcap system,cryoloops
5. Goniometer Heads&Supplies 測角器頭和配件
6. Protein Crystallization Standards 結(jié)晶級別標(biāo)準(zhǔn)蛋白
7. Custom Shop Crystallization Reagents 定制試劑盒和結(jié)晶溶液內(nèi)的單一組分
8. StockOptions Kits 內(nèi)含鹽類,緩沖液和冷凍液的簡便型試劑盒
9. Tools,Seeding&Resin 結(jié)晶用探針,結(jié)晶筆,seeding法結(jié)晶工具
10. Capillary Mounts & Supplies 毛細(xì)管,玻璃纖維, 蠟,黏合劑和密封劑
Hampton Research部分熱賣產(chǎn)品列表
產(chǎn)品類別 |
貨號 |
品名 |
規(guī)格 |
簡介 |
蛋白結(jié)晶篩選試劑盒 |
HR2-144 |
Index |
10 ml, tube format |
蛋白質(zhì)、絡(luò)合物、多肽、核酸和水溶性小分子等多種試劑體系的經(jīng)典結(jié)晶條件初篩選試劑盒,包含96個條件 |
HR2-110 |
Crystal Screen |
蛋白、可溶性多肽、核酸和水溶性小分子等多種試劑體系結(jié)晶條件初篩試劑盒,包含50個條件 |
||
HR2-114 |
MembFac |
10 ml, tube format |
適用于膜蛋白的結(jié)晶條件初篩試劑盒,包含48個條件 |
|
HR2-116 |
Natrix |
10 ml, tube format |
||
HR2-082 |
PEGRx 1 |
10 ml, tube format |
聚合物和pH條件初篩與二次篩選試劑盒,包含48個條件 |
|
HR2-126 |
PEG/Ion Screen |
10 ml, tube format |
聚合物、鹽和pH條件初篩與二次篩選試劑盒,包含48個條件 |
|
SaltRx 1 |
10 ml, tube format |
鹽和pH條件初篩與二次篩選試劑盒,包含48個條件 |
||
蛋白結(jié)晶優(yōu)化試劑盒 |
HR2-072 |
Solubility & tability Screen |
0.5 ml, Deep Well block format |
溶解度和穩(wěn)定性篩選,包含96個條件 |
HR2-070 |
Slice pH |
0.5 ml, Deep Well block format |
pH篩選試劑盒,包含96個條件 |
|
HR2-138 |
Additive Screen |
1 ml, Deep Well block format |
||
HR2-459 |
GRAS Additive |
1 ml, Deep Well block format |
GRAS添加劑篩選,包含96個條件 |
|
HR2-096 |
Silver Bullets |
0.50 ml, Deep Well block format |
添加劑篩選試劑盒,包含96個條件 |
|
HR2-407 |
Detergent Screen |
0.25 ml, Deep Well block format |
洗滌劑篩選試劑盒,包含96個條件 |
|
HR2-214 |
Ionic Liquid Screen |
0.5 ml, tube format |
離子液體篩選試劑盒,包含24個條件 |
|
HR2-241 |
StockOptions pH |
10 ml, tube format |
晶體生長篩選試劑盒,包含45個條件 |
|
HR2-102 |
StockOptions HEPES |
10 ml, tube format |
晶體生長篩選試劑盒,包含15個條件 |
|
HR2-227 |
StockOptions Polymer |
10 ml, tube format |
晶體生長篩選試劑盒,包含23個條件 |
|
HR2-245 |
StockOptions Salt |
10 ml, tube format |
晶體生長篩選試劑盒,包含49個條件 |
|
HR2-073 |
CryoPro |
1 ml, tube format |
晶體冷凍保護(hù)劑篩選,包含48個條件 |
|
蛋白結(jié)晶耗材工具 |
HR2-320 |
Seed Bead Kit |
24 tubes with PTFE Seed Bead |
晶種制備珠 |
Cryschem Plate |
24 plate case |
24孔坐滴板 |
||
HR3-231 |
Siliconized circle cover slides |
1.0 ounce pack (~120 slides) |
圓形硅化玻璃蓋玻片 |
|
HR3-609 |
Crystal Clear Sealing Film |
100 pack |
結(jié)晶板封口膜 |
|
HR4-216 |
Crystal Crusher |
5 pack |
晶體粉碎器 |
|
HR4-217 |
Crystal Probe |
12 pack |
一次性不銹鋼晶體針 |
|
HR4-733 |
CrystalCap |
with Vial - 60 pack |
晶體環(huán)底座 |
|
HR4-811 |
Micro-Tools Set |
each |
晶體處理工具套裝,含8個不同形狀的晶體探針 |
HAMPTON蛋白質(zhì)結(jié)晶試劑及耗材分類
第一類:Crystallization Screens 用于篩選和優(yōu)化蛋白質(zhì)/多肽/核酸結(jié)晶的一系列經(jīng)驗(yàn)證的高精配方型溶液
1.PCT
Pre-Crystallization Test(PCT預(yù)結(jié)晶試驗(yàn))
應(yīng)用:結(jié)晶篩選,確定相應(yīng)的樣品濃度,PCT試驗(yàn)用來預(yù)結(jié)晶結(jié)晶篩選,以確定適當(dāng)?shù)牡鞍踪|(zhì)濃度
2. Slice pH(PH切片)
應(yīng)用:溶解度和結(jié)晶篩選
3. Solubility & Stability Screen(溶解度和穩(wěn)定性的屏幕)
應(yīng)用:溶解性和穩(wěn)定性屏幕的設(shè)計(jì),以協(xié)助識別解決方案的條件,促進(jìn)蛋白質(zhì)的溶解性和穩(wěn)定性,并盡量減少蛋白質(zhì)沉淀。
4. Index
應(yīng)用:不同的試劑系統(tǒng)的結(jié)晶屏幕的蛋白質(zhì)復(fù)合物,多肽,核酸,水溶性小分子。
5. Crystal Screen(晶體屏幕)
應(yīng)用:
主屏幕的可溶性肽,蛋白質(zhì),核酸,和水溶性小分子。稀疏矩陣的加法屏幕
5.PEG/Ion Screen & PEG/Ion HT Screen 用于可溶性蛋白的結(jié)晶
6.PEG/Ion 2 Screen?用于可溶性生物大分子結(jié)晶
7.Crystal Screen? & Crystal Screen? HT 用于蛋白質(zhì),復(fù)合物,縮氨酸,核酸以及水溶性小分子的傳統(tǒng)的經(jīng)典結(jié)晶試劑
8.Crystal Screen 2?用于蛋白質(zhì),縮氨酸,核酸以及水溶性小分子的結(jié)晶
9.Crystal Screen Lite?用于蛋白質(zhì),縮氨酸和核酸的結(jié)晶試劑
10.Crystal Screen Cryo?用于蛋白質(zhì),縮氨酸,核酸的結(jié)晶
11.Grid ScreenTM用于蛋白質(zhì)的結(jié)晶,分為七小類。
12.Quik Screen?用于可溶性蛋白的結(jié)晶
13.Quik Optimize?快速優(yōu)化試劑,與Quik Screen? 或 custom screen配套使用
14.Low Ionic Strength Screen?用于完整的單克隆抗體,單克隆抗體片段以及低離子濃度很少溶解的蛋白的結(jié)晶
15.Nucleic Acid Mini Screen?用于核酸片段的結(jié)晶化
16.Natrix?用于核酸,蛋白核酸聚合物的結(jié)晶
17.MembFac?& MembFac? HT用于膜蛋白的結(jié)晶
18.Additive Screen?增強(qiáng)或改變樣品可溶性的試劑
19.Detergent Screen?去垢劑
20.Heavy Atom Screens重原子結(jié)晶試劑
21.Izit Crystal Dye?蛋白染色試劑,用于區(qū)分蛋白晶體和鹽晶體
第二類:CUSTOM SHOP CRYSTALLIZATION REAGENTS 結(jié)晶試劑盒中單獨(dú)的試劑
1. Solubility & Stability Individual Reagents
2. Slice pH Individual Reagents
3. Ionic Liquid Screen Individual Reagents
4. Proti-Ace & Proti-Ace 2 Individual Reagents
5. PCT Individual Reagents
6. Silver Bullets & Silver Bullets HT Individual Reagents
7. Silver Bullets Bio & Silver Bullets Bio HT Individual Reagents
8. Index ? Index HT Individual Reagents
9. PEGRx 1 Individual Reagents
10.PEGRx 2 Individual Reagents
11.SaltRx Individual Reagents
12. PEG/Ion Individual Reagents
13.Crystal Screen Lite Individual Reagents
14.Crystal Screen Cryo Individual Reagents
15.Crystal Screen 2 Cryo Individual Reagents
16.Grid Screen Ammonium Sulfate Individual Reagents
17.Grid Screen PEG 6000 Individual Reagent
18.Grid Screen Sodium Chloride Individual Reagents
19.Grid Screen PEG/LiCl Individual Reagents
20.Quik Screen Individual Reagents
21. Natrix Individual Reagents
第三類:OPTIMIZE REAGENTS 優(yōu)化試劑
1.Optimize-Polymers聚合體
2.Optimize-Organics (Volatile) 揮發(fā)性有機(jī)物
3.Optimize-Organics (Non-Volatile)非揮發(fā)性的有機(jī)物
4.Optimize-Salts 鹽類
5.Optimize-Buffers緩沖液
6.Optimize-Solubilizing Agents (NDSB) 溶解試劑NDSB
7.Optimize-Reducing Agent還原劑-TCEP氫氯化物
8.Optimize-Cryoprotectants
9.Optimize-Oils用于結(jié)晶的油類
10.Optimize-Silica Hydrogel硅膠
11.Optimize-LM Agarose低熔點(diǎn)瓊脂糖
第四類:STOCKOPTIONS KITS
1. StockOptions Salt
2. StockOptions pH
3. StockOptions Buffer
4. CryoPro
第五類:CRYSTALLIZATION PLATES, HARDWARE & ACCESSORIES 結(jié)晶耗材
1.24 Well
Crystallization Plates 24孔晶體板-分懸滴和坐滴兩種
2.48 Well Crystallization Plates 48孔晶體板
3.72 Well Crystallization Plates72孔晶體板
4.96 Well Crystallization Plates 96孔晶體板
5.384 Well Crystallization Plates 384孔晶體板-用于坐滴的結(jié)晶
6.Cover Slides & Related Tools
7.Glass Sitting Drop Rods用于坐滴的結(jié)晶
8.Micro-Bridges?微橋-坐滴結(jié)晶的支撐物
9.Glass Plates – 3 and 9 Well3孔和9孔玻璃板
10.Sealants, Sealing Grease, Oils, Applicator密封油脂,油及其它器具
11.Sealing Films, Tapes, Mats & Covers
12.Microdialysis Buttons, Rods & Membranes微量滲析結(jié)晶化
13.Granada Crystallization Box
第六類:TOOLS, SEEDING & RESIN(結(jié)晶工具、樹脂)
1. Tungsten-carbide Glass Cutter
2. X-Acto Gripster Knife
3. Micro-Tools? Set
4. Micro-Tools II? Set
5. Forceps
6. Crystal Probe?
7. Crystal Pencil
8. Seed Bead
9. Seeding Tool
第七類:CRYOCRYSTALLOGRAPHY
1. CrystalCap HT? Systems
2. CrystalCap Magnetic? Systems
3. CrystalCap? Systems
4. CryoLoops & MicroTubes
5. Cryo Tools
6. Canes, Sleeves, Coders & Boxes
7. Dewars
南京沃博生物代理Hampton Research 品牌的產(chǎn)品,歡迎新老客戶訪問官網(wǎng)Hampton Research 或者咨詢我們貨期更多相關(guān)產(chǎn)品信息。
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