- 询价
- 上海博湖
- BH-K20032
- 进口、国产
- 2025年07月14日
- WB=1:100-500 ELISA=1:500-1000 IP=1:20-100 IHC-P=1:100-500 IHC-F=1:100-500 IF=1:100-500
- 详见说明书
- 详见说明书
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- 详细信息
- 技术资料
- 抗体名：
磷酸化IKB α抗体图片
- 抗体英文名：
Anti-Phospho-NFKBIA (Tyr42)
- 靶点：
详见说明书
- 浓度：
1mg/1ml
- 应用范围：
WB=1:100-500 ELISA=1:500-1000 IP=1:20-100 IHC-P=1:100-500 IHC-F=1:100-500 IF=1:100-500
- 宿主：
详见说明书
- 供应商：
上海博湖
- 库存：
大量
- 级别：
详见说明书
- 目录编号：
详见说明书
- 抗原来源：
Rabbit
- 保质期：
详见说明书
- 适应物种：
详见说明书
- 标记物：
详见说明书
- 克隆性：
多克隆
- 保存条件：
Store at -20 °C
- 形态：
详见说明书
- 亚型：
IgG
- 免疫原：
KLH conjugated Synthesised phosphopeptide derived from human IKB alpha around the phosphorylation site of Tyr42
- 规格：
0.2ml/200μg
磷酸化IKB α抗体图片Immunoprecipitation/IP Kit- GST Tag Immunomagnetic Beads 5 mL
Immunoprecipitation/IP Kit-Immunomagnetic Beads Protein L 5 mL
Immunoprecipitation/IP Kit-Immunomagnetic Beads Protein G 5 mL
Immunoprecipitation/IP Kit-Immunomagnetic Beads Protein A/G IP
英文名称 Anti-Phospho-NFKBIA (Tyr42)
中文名称 磷酸化IKB α抗体图片
别 名 phospho-NFKBIA(Tyr42); NFKBIA(phospho Y42); IKB-alpha(Phospho-Tyr42); IKB alpha; Inhibitor of KB alpha; I kappa B alpha; I(Kappa)B(alpha); IkappaBalpha; IKBA; IKBalpha; MAD 3; MAD3; Major histocompatibility complex enhancer binding protein MAD3; NF kappa B inhibitor alpha; NFKBI; NFKBIA; Nuclear factor of kappa light chain gene enhancer in B cells; Nuclear factor of kappa light polypeptide gene enhancer in B cells inhibitor alpha.
磷酸化IKB α抗体图片浓 度 1mg/1ml
规 格 0.1ml/100μg
抗体来源 Rabbit
克隆类型 polyclonal
交叉反应 Human, Mouse, Pig, Cow, Rabbit, Sheep
产品类型 一抗 磷酸化抗体
研究领域 肿瘤 免疫学 信号转导 转录调节因子 激酶和磷酸酶
蛋白分子量 predicted molecular weight: 35kDa
性 状 Lyophilized or Liquid
免 疫 原 KLH conjugated Synthesised phosphopeptide derived from human IKB alpha around the phosphorylation site of Tyr42
亚 型 IgG
纯化方法 affinity purified by Protein A
储 存 液 0.01M PBS, pH 7.4 with 10 mg/ml BSA and 0.1% Sodium azide
磷酸化IKB α抗体图片产品应用 WB=1:100-500 ELISA=1:500-1000 IP=1:20-100 IHC-P=1:100-500 IHC-F=1:100-500 IF=1:100-500
（石蜡切片需做抗原修复）
not yet tested in other applications.
optimal dilutions/concentrations should be determined by the end user.
保存条件 Store at -20 °C for one year. Avoid repeated freeze/thaw cycles. The lyophilized antibody is stable at room temperature for at least one month and for greater than a year when kept at -20°C. When reconstituted in sterile pH 7.4 0.01M PBS or diluent of antibody the antibody is stable for at least two weeks at 2-4 °C.
Important Note This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications.
产品介绍 This gene encodes a member of the NF-kappa-B inhibitor family, which contain multiple ankrin repeat domains. The encoded protein interacts with REL dimers to inhibit NF-kappa-B/REL complexes which are involved in inflammatory responses. The encoded protein moves between the cytoplasm and the nucleus via a nuclear localization signal and CRM1-mediated nuclear export. Mutations in this gene have been found in ectodermal dysplasia anhidrotic with T-cell immunodeficiency autosomal dominant disease. [provided by RefSeq, Aug 2011].
Function : Inhibits the activity of dimeric NF-kappa-B/REL complexes by trapping REL dimers in the cytoplasm through masking of their nuclear localization signals. On cellular stimulation by immune and proinflammatory responses, becomes phosphorylated promoting ubiquitination and degradation, enabling the dimeric RELA to translocate to the nucleus and activate transcription.Subunit : Interacts with RELA; the interaction requires the nuclear import signal. Interacts with NKIRAS1 and NKIRAS2. Part of a 70-90 kDa complex at least consisting of CHUK, IKBKB, NFKBIA, RELA, IKBKAP and MAP3K14. Interacts with HBV protein X. Interacts with RWDD3; the interaction enhances sumoylation. Interacts (when phosphorylated at the 2 serine residues in the destruction motif D-S-G-X(2,3,4)-S) with BTRC. Associates with the SCF(BTRC) complex, composed of SKP1, CUL1 and BTRC; the association is mediated via interaction with BTRC. Part of a SCF(BTRC)-like complex lacking CUL1, which is associated with RELA; RELA interacts directly with NFKBIA. Interacts with PRMT2. Interacts with PRKACA in platelets; this interaction is disrupted by thrombin and collagen. Interacts with HIF1AN.Subcellular Location : Cytoplasm. Nucleus. Note=Shuttles between the nucleus and the cytoplasm by a nuclear localization signal (NLS) and a CRM1-dependent nuclear export.Post-translational modifications : Phosphorylated; disables inhibition of NF-kappa-B DNA-binding activity. Phosphorylation at positions 32 and 36 is prerequisite to recognition by UBE2D3 leading to polyubiquitination and subsequent degradation.Sumoylated; sumoylation requires the presence of the nuclear import signal. Monoubiquitinated at Lys-21 and/or Lys-22 by UBE2D3. Ubiquitin chain elongation is then performed by CDC34 in cooperation with the SCF(FBXW11) E3 ligase complex, building ubiquitin chains from the UBE2D3-primed NFKBIA-linked ubiquitin. The resulting polyubiquitination leads to protein degradation. Also ubiquitinated by SCF(BTRC) following stimulus-dependent phosphorylation at Ser-32 and Ser-36.Deubiquitinated by porcine reproductive and respiratory syndrome virus Nsp2 protein, which thereby interferes with NFKBIA degradation and impairs subsequent NF-kappa-B activation.DISEASE : Defects in NFKBIA are the cause of ectodermal dysplasia anhidrotic with T-cell immunodeficiency autosomal dominant (ADEDAID) [MIM:612132]. Ectodermal dysplasia defines a heterogeneous group of disorders due to abnormal development of two or more ectodermal structures. ADEDAID is an ectodermal dysplasia associated with decreased production of pro-inflammatory cytokines and certain interferons, rendering patients susceptible to infection.Similarity : Belongs to the NF-kappa-B inhibitor family.Contains 5 ANK repeats.
磷酸化IKB α抗体图片抗体的鉴定：
1）抗体的效价鉴定：不管是用于诊断还是用于治疗,制备抗体的目的都是要求较高效价。不同的抗原制备的抗体,要求的效价不一。鉴定效价的方法很多,包括有试管凝集反应,琼脂扩散试验,酶联免疫吸附试验等。常用的抗原所制备的抗体一般都有约成的鉴定效价的方法,以资比较。如制备抗抗体的效价,一般就采用琼脂扩散试验来鉴定。
2）抗体的特异性鉴定：抗体的特异性是指与相应抗原或近似抗原物质的识别能力。抗体的特异性高,它的识别能力就强。衡量特异性通常以交叉反应率来表示。交叉反应率可用竞争抑制试验测定。以不同浓度抗原和近似抗原分别做竞争抑制曲线,计算各自的结合率,求出各自在IC50时的浓度,并按公式计算交叉反应率。
如果所用抗原浓度IC50浓度为pg/管,而一些近似抗原物质的IC50浓度几乎是无穷大时,表示这一抗血清与其他抗原物质的交叉反应率近似为0,即该血清的特异性较好。
3）亲和力：是指抗体和抗原结合的牢固程度。亲和力的高低是由抗原分子的大小,抗体分子的结合位点与抗原决定簇之间立体构型的合适度决定的。有助于维持抗原抗体复合物稳定的分子间力有氢键,疏水键,侧链相反电荷基因的库仑力,范德华力和空间斥力。亲和力常以亲和常数K表示,K的单位是L/mol。抗体亲和力的测定对抗体的筛选,确定抗体的用途,验证抗体的均一性等均有重要意义。
种属：
兔抗单克隆抗体，鼠抗单克隆抗体。兔抗多克隆抗体。抗体的浓度为1mg/ml。 抗体及相关标记抗体：HRP标记抗体，Biotin标记抗体，Gold标记抗体，RBITC标记抗体，AP标记抗体,FITC标记抗体，Cy3标记抗体，Cy5标记抗体，Cy5.5标记抗体，Cy7标记抗体，PE标记抗体，PE-Cy3标记抗体，PE-Cy5标记抗体，PE-Cy5.5标记抗体，PE-Cy7标记抗体，APC标记抗体，AlexaFluor 350标记抗体，Alexa Fluor 488标记抗体，Alexa Fluor 555标记抗体，Alexa Fluor647标记抗体 抗体的交叉反应： 人，小鼠，大鼠，鸡 ，狗，猪，羊，牛，兔等...... 抗体的应用：可以用于做石蜡切片免疫组化，冰冻切片免疫组化，Elisa，WB，免疫荧光等实验。
EpCAM / TROP-1 / TACSTD1 抗體 (PE), 鼠單抗 FCM 25 Test
ADAM15 抗體 (PE), 兔單抗 FCM 25 Test
TRAIL R2 / TNFRSF10B / CD262 抗體 (PE), 兔單抗 FCM 25 Test
BID 抗體 (FITC), 鼠單抗 FCM 25 Test
TROP-2 / TACSTD2 抗體 (PE), 鼠單抗 FCM 25 Test
CAV1 抗體, 兔多抗, 抗原親和純化 IHC-P 50 µg
PSCA 抗體, 兔多抗, 抗原親和純化 WB 50 µg
Tyrosine Hydroxylase / TH 抗體, 兔多抗, 抗原親和純化 WB IF IP ICC/IF 50 µg
ABCB5 抗體, 兔多抗, 抗原親和純化 WB 50 µg
BRCA1 抗體, 兔多抗, 抗原親和純化 IF ICC/IF 50 µg
用于水样中通过滤膜法对大肠菌群及大肠杆菌的计数。 Membrane Lauryl Sulphate Broth（m-Lst） 500g
用于水中粪大肠菌群的滤膜法测定(GB/T5057.12-2006)。 MFC培养基 250g
用于药敏试验琼脂稀释法及扩散法。 M-H琼脂平板 90mmX20个
用于乳酸菌的分离、计数和培养，每100mL培养基添加1支配套试剂(SR0370)，可单独用于双歧杆菌的分... MRS培养基(莫匹罗星锂盐改良MRS培养基基础) 250g
用于乳酸菌的培养 MRS肉汤培养基 250g
供分离发酵乳糖的革兰氏阴性肠道杆菌。（《中华人民共和国药典》2010年版） 麦康凯琼脂培养基 250
供分离发酵乳糖的革兰氏阴性肠道杆菌 麦康凯琼脂培养基 250g
供分离发酵乳糖的革兰氏阴性肠道杆菌。 麦康凯琼脂培养基（药典） 250g
供分离发酵乳糖和非发酵乳糖的革兰氏阴性肠道杆菌。（GB） 麦康凯琼脂培养基平板 90mmX20个
麦氏比浊管 1套/盒
磷酸化IKB α抗体图片ELISA Kit for Human Cytochrome P450 2B6 0.312-20 ng/mL
人细胞色素p450 2D6(CYP2D6)ELISA试剂盒 1.56-100 ng/mL
ELISA Kit for Human Cytochrome P450 2D6 1.56-100 ng/mL
人窖蛋白(Cav-1)ELISA试剂盒 0.625-40 ng/mL
ELISA Kit for Human Caveolin-1 0.625-40 ng/mL
磷酸化IKB α抗体图片实验原理 :
（1）特异性结合抗原：抗体本身不能直接溶解或杀伤带有特异抗原的靶细胞，通常需要补体或吞噬细胞等共同发挥效应以清除病原微生物或导致病理损伤。然而，抗体可通过与病毒或毒素的特异性结合，直接发挥中和病毒的作用。
（2）活补体：IgM、IgG1、IgG2和IgG3可通过经典途径激活补体，凝聚的IgA、IgG4和IgE可通过替代途径激活补体。
（3）结合细胞：不同类别的免疫球蛋白，可结合不同种的细胞，参与免疫应答。
（4）可通过胎盘及粘膜：免疫球蛋白G（IgG）能通过胎盘进入胎儿血流中，使胎儿形成自然被动
免疫。免疫球蛋白A（IgA）可通过消化道及呼吸道粘膜，是粘膜局部抗感染免疫的主要因素。
（5）具有抗原性：抗体分子是一种蛋白质，也具有刺机体产生免疫应答的性能。不同的免疫球蛋白分子，各具有不同的抗原性。
（6）抗体对理化因子的抵抗力与一般球蛋白相同：不耐热，60～70℃即被破坏。各种酶及能使蛋白质凝固变性的物质，均能破坏抗体的作用。抗体可被中性盐类沉淀。在上常可用硫酸铵或硫酸钠从免疫血清中沉淀出含有抗体的球蛋白，再经透析法将其纯化。
Immunoprecipitation/IP Kit-Immunomagnetic Beads Protein L 5 mL
Immunoprecipitation/IP Kit-Immunomagnetic Beads Protein G 5 mL
Immunoprecipitation/IP Kit-Immunomagnetic Beads Protein A/G IP
英文名称 Anti-Phospho-NFKBIA (Tyr42)
中文名称 磷酸化IKB α抗体图片
别 名 phospho-NFKBIA(Tyr42); NFKBIA(phospho Y42); IKB-alpha(Phospho-Tyr42); IKB alpha; Inhibitor of KB alpha; I kappa B alpha; I(Kappa)B(alpha); IkappaBalpha; IKBA; IKBalpha; MAD 3; MAD3; Major histocompatibility complex enhancer binding protein MAD3; NF kappa B inhibitor alpha; NFKBI; NFKBIA; Nuclear factor of kappa light chain gene enhancer in B cells; Nuclear factor of kappa light polypeptide gene enhancer in B cells inhibitor alpha.
磷酸化IKB α抗体图片浓 度 1mg/1ml
规 格 0.1ml/100μg
抗体来源 Rabbit
克隆类型 polyclonal
交叉反应 Human, Mouse, Pig, Cow, Rabbit, Sheep
产品类型 一抗 磷酸化抗体
研究领域 肿瘤 免疫学 信号转导 转录调节因子 激酶和磷酸酶
蛋白分子量 predicted molecular weight: 35kDa
性 状 Lyophilized or Liquid
免 疫 原 KLH conjugated Synthesised phosphopeptide derived from human IKB alpha around the phosphorylation site of Tyr42
亚 型 IgG
纯化方法 affinity purified by Protein A
储 存 液 0.01M PBS, pH 7.4 with 10 mg/ml BSA and 0.1% Sodium azide
磷酸化IKB α抗体图片产品应用 WB=1:100-500 ELISA=1:500-1000 IP=1:20-100 IHC-P=1:100-500 IHC-F=1:100-500 IF=1:100-500
（石蜡切片需做抗原修复）
not yet tested in other applications.
optimal dilutions/concentrations should be determined by the end user.
保存条件 Store at -20 °C for one year. Avoid repeated freeze/thaw cycles. The lyophilized antibody is stable at room temperature for at least one month and for greater than a year when kept at -20°C. When reconstituted in sterile pH 7.4 0.01M PBS or diluent of antibody the antibody is stable for at least two weeks at 2-4 °C.
Important Note This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications.
产品介绍 This gene encodes a member of the NF-kappa-B inhibitor family, which contain multiple ankrin repeat domains. The encoded protein interacts with REL dimers to inhibit NF-kappa-B/REL complexes which are involved in inflammatory responses. The encoded protein moves between the cytoplasm and the nucleus via a nuclear localization signal and CRM1-mediated nuclear export. Mutations in this gene have been found in ectodermal dysplasia anhidrotic with T-cell immunodeficiency autosomal dominant disease. [provided by RefSeq, Aug 2011].
Function : Inhibits the activity of dimeric NF-kappa-B/REL complexes by trapping REL dimers in the cytoplasm through masking of their nuclear localization signals. On cellular stimulation by immune and proinflammatory responses, becomes phosphorylated promoting ubiquitination and degradation, enabling the dimeric RELA to translocate to the nucleus and activate transcription.Subunit : Interacts with RELA; the interaction requires the nuclear import signal. Interacts with NKIRAS1 and NKIRAS2. Part of a 70-90 kDa complex at least consisting of CHUK, IKBKB, NFKBIA, RELA, IKBKAP and MAP3K14. Interacts with HBV protein X. Interacts with RWDD3; the interaction enhances sumoylation. Interacts (when phosphorylated at the 2 serine residues in the destruction motif D-S-G-X(2,3,4)-S) with BTRC. Associates with the SCF(BTRC) complex, composed of SKP1, CUL1 and BTRC; the association is mediated via interaction with BTRC. Part of a SCF(BTRC)-like complex lacking CUL1, which is associated with RELA; RELA interacts directly with NFKBIA. Interacts with PRMT2. Interacts with PRKACA in platelets; this interaction is disrupted by thrombin and collagen. Interacts with HIF1AN.Subcellular Location : Cytoplasm. Nucleus. Note=Shuttles between the nucleus and the cytoplasm by a nuclear localization signal (NLS) and a CRM1-dependent nuclear export.Post-translational modifications : Phosphorylated; disables inhibition of NF-kappa-B DNA-binding activity. Phosphorylation at positions 32 and 36 is prerequisite to recognition by UBE2D3 leading to polyubiquitination and subsequent degradation.Sumoylated; sumoylation requires the presence of the nuclear import signal. Monoubiquitinated at Lys-21 and/or Lys-22 by UBE2D3. Ubiquitin chain elongation is then performed by CDC34 in cooperation with the SCF(FBXW11) E3 ligase complex, building ubiquitin chains from the UBE2D3-primed NFKBIA-linked ubiquitin. The resulting polyubiquitination leads to protein degradation. Also ubiquitinated by SCF(BTRC) following stimulus-dependent phosphorylation at Ser-32 and Ser-36.Deubiquitinated by porcine reproductive and respiratory syndrome virus Nsp2 protein, which thereby interferes with NFKBIA degradation and impairs subsequent NF-kappa-B activation.DISEASE : Defects in NFKBIA are the cause of ectodermal dysplasia anhidrotic with T-cell immunodeficiency autosomal dominant (ADEDAID) [MIM:612132]. Ectodermal dysplasia defines a heterogeneous group of disorders due to abnormal development of two or more ectodermal structures. ADEDAID is an ectodermal dysplasia associated with decreased production of pro-inflammatory cytokines and certain interferons, rendering patients susceptible to infection.Similarity : Belongs to the NF-kappa-B inhibitor family.Contains 5 ANK repeats.
磷酸化IKB α抗体图片抗体的鉴定：
1）抗体的效价鉴定：不管是用于诊断还是用于治疗,制备抗体的目的都是要求较高效价。不同的抗原制备的抗体,要求的效价不一。鉴定效价的方法很多,包括有试管凝集反应,琼脂扩散试验,酶联免疫吸附试验等。常用的抗原所制备的抗体一般都有约成的鉴定效价的方法,以资比较。如制备抗抗体的效价,一般就采用琼脂扩散试验来鉴定。
2）抗体的特异性鉴定：抗体的特异性是指与相应抗原或近似抗原物质的识别能力。抗体的特异性高,它的识别能力就强。衡量特异性通常以交叉反应率来表示。交叉反应率可用竞争抑制试验测定。以不同浓度抗原和近似抗原分别做竞争抑制曲线,计算各自的结合率,求出各自在IC50时的浓度,并按公式计算交叉反应率。
如果所用抗原浓度IC50浓度为pg/管,而一些近似抗原物质的IC50浓度几乎是无穷大时,表示这一抗血清与其他抗原物质的交叉反应率近似为0,即该血清的特异性较好。
3）亲和力：是指抗体和抗原结合的牢固程度。亲和力的高低是由抗原分子的大小,抗体分子的结合位点与抗原决定簇之间立体构型的合适度决定的。有助于维持抗原抗体复合物稳定的分子间力有氢键,疏水键,侧链相反电荷基因的库仑力,范德华力和空间斥力。亲和力常以亲和常数K表示,K的单位是L/mol。抗体亲和力的测定对抗体的筛选,确定抗体的用途,验证抗体的均一性等均有重要意义。
种属：
兔抗单克隆抗体，鼠抗单克隆抗体。兔抗多克隆抗体。抗体的浓度为1mg/ml。 抗体及相关标记抗体：HRP标记抗体，Biotin标记抗体，Gold标记抗体，RBITC标记抗体，AP标记抗体,FITC标记抗体，Cy3标记抗体，Cy5标记抗体，Cy5.5标记抗体，Cy7标记抗体，PE标记抗体，PE-Cy3标记抗体，PE-Cy5标记抗体，PE-Cy5.5标记抗体，PE-Cy7标记抗体，APC标记抗体，AlexaFluor 350标记抗体，Alexa Fluor 488标记抗体，Alexa Fluor 555标记抗体，Alexa Fluor647标记抗体 抗体的交叉反应： 人，小鼠，大鼠，鸡 ，狗，猪，羊，牛，兔等...... 抗体的应用：可以用于做石蜡切片免疫组化，冰冻切片免疫组化，Elisa，WB，免疫荧光等实验。
EpCAM / TROP-1 / TACSTD1 抗體 (PE), 鼠單抗 FCM 25 Test
ADAM15 抗體 (PE), 兔單抗 FCM 25 Test
TRAIL R2 / TNFRSF10B / CD262 抗體 (PE), 兔單抗 FCM 25 Test
BID 抗體 (FITC), 鼠單抗 FCM 25 Test
TROP-2 / TACSTD2 抗體 (PE), 鼠單抗 FCM 25 Test
CAV1 抗體, 兔多抗, 抗原親和純化 IHC-P 50 µg
PSCA 抗體, 兔多抗, 抗原親和純化 WB 50 µg
Tyrosine Hydroxylase / TH 抗體, 兔多抗, 抗原親和純化 WB IF IP ICC/IF 50 µg
ABCB5 抗體, 兔多抗, 抗原親和純化 WB 50 µg
BRCA1 抗體, 兔多抗, 抗原親和純化 IF ICC/IF 50 µg
用于水样中通过滤膜法对大肠菌群及大肠杆菌的计数。 Membrane Lauryl Sulphate Broth（m-Lst） 500g
用于水中粪大肠菌群的滤膜法测定(GB/T5057.12-2006)。 MFC培养基 250g
用于药敏试验琼脂稀释法及扩散法。 M-H琼脂平板 90mmX20个
用于乳酸菌的分离、计数和培养，每100mL培养基添加1支配套试剂(SR0370)，可单独用于双歧杆菌的分... MRS培养基(莫匹罗星锂盐改良MRS培养基基础) 250g
用于乳酸菌的培养 MRS肉汤培养基 250g
供分离发酵乳糖的革兰氏阴性肠道杆菌。（《中华人民共和国药典》2010年版） 麦康凯琼脂培养基 250
供分离发酵乳糖的革兰氏阴性肠道杆菌 麦康凯琼脂培养基 250g
供分离发酵乳糖的革兰氏阴性肠道杆菌。 麦康凯琼脂培养基（药典） 250g
供分离发酵乳糖和非发酵乳糖的革兰氏阴性肠道杆菌。（GB） 麦康凯琼脂培养基平板 90mmX20个
麦氏比浊管 1套/盒
磷酸化IKB α抗体图片ELISA Kit for Human Cytochrome P450 2B6 0.312-20 ng/mL
人细胞色素p450 2D6(CYP2D6)ELISA试剂盒 1.56-100 ng/mL
ELISA Kit for Human Cytochrome P450 2D6 1.56-100 ng/mL
人窖蛋白(Cav-1)ELISA试剂盒 0.625-40 ng/mL
ELISA Kit for Human Caveolin-1 0.625-40 ng/mL
磷酸化IKB α抗体图片实验原理 :
（1）特异性结合抗原：抗体本身不能直接溶解或杀伤带有特异抗原的靶细胞，通常需要补体或吞噬细胞等共同发挥效应以清除病原微生物或导致病理损伤。然而，抗体可通过与病毒或毒素的特异性结合，直接发挥中和病毒的作用。
（2）活补体：IgM、IgG1、IgG2和IgG3可通过经典途径激活补体，凝聚的IgA、IgG4和IgE可通过替代途径激活补体。
（3）结合细胞：不同类别的免疫球蛋白，可结合不同种的细胞，参与免疫应答。
（4）可通过胎盘及粘膜：免疫球蛋白G（IgG）能通过胎盘进入胎儿血流中，使胎儿形成自然被动
免疫。免疫球蛋白A（IgA）可通过消化道及呼吸道粘膜，是粘膜局部抗感染免疫的主要因素。
（5）具有抗原性：抗体分子是一种蛋白质，也具有刺机体产生免疫应答的性能。不同的免疫球蛋白分子，各具有不同的抗原性。
（6）抗体对理化因子的抵抗力与一般球蛋白相同：不耐热，60～70℃即被破坏。各种酶及能使蛋白质凝固变性的物质，均能破坏抗体的作用。抗体可被中性盐类沉淀。在上常可用硫酸铵或硫酸钠从免疫血清中沉淀出含有抗体的球蛋白，再经透析法将其纯化。
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磷酸化IKB α抗体图片
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