2761 results for 'antigens'

MOUSE ANTI-NIPAH VIRUS GLYCOPROTEIN G ANTIBODY (CF12) Mouse anti Nipah virus (NiV) glycoprotein G monoclonal antibody is specific for the gG protein of NiV.   PRODUCT DETAILS – MOUSE...

MOUSE ANTI-NIPAH VIRUS GLYCOPROTEIN G ANTIBODY (IG10) Mouse anti Nipah virus (NiV) glycoprotein G monoclonal antibody is specific for the gG protein of NiV.   PRODUCT DETAILS – MOUSE...

WEST NILE VIRUS LYSATE (NY 2001-6263 STRAIN) West Nile Virus lysate has been manufactured to provide a consistent source of West Nile virus (WNV) antigens. This material has been produced by...

CHIKUNGUNYA VIRUS E2 ENVELOPE PROTEIN (HEK293), MOUSE FC-TAG Chikungunya Virus E2 Envelope protein is a unique product that has been developed in response to the need for high purity, properly...

CLOSTRIDIUM DIFFICILE TOXIN B Clostridium difficile Toxin B, manufactured by The Native Antigen Company, is a highly purified preparation. Developed either for use with clinical diagnostic assays,...

MOUSE ANTI-NIPAH VIRUS GLYCOPROTEIN G ANTIBODY (AE6) Mouse anti Nipah virus (NiV) glycoprotein G monoclonal antibody is specific for the gG protein of NiV.   PRODUCT DETAILS – MOUSE...

MOUSE ANTI-NIPAH VIRUS GLYCOPROTEIN G ANTIBODY (JB3) Mouse anti Nipah virus (NiV) glycoprotein G monoclonal antibody is specific for the gG protein of NiV.   PRODUCT DETAILS – MOUSE...

WEST NILE VIRUS ENVELOPE PROTEIN The Native Antigen Company produce West Nile Virus Envelope protein in a proprietary mammalian cell expression system. This protein is the full length ectodomain,...

AP-IGG CONJUGATION KIT The AP-IgG Conjugation Kit utilizes a novel chemistry to generate highly reproducible IgG-Alkaline Phosphatase conjugates with a simple procedure. Users can generate their own...

CHIKUNGUNYA VIRUS E2 ENVELOPE PROTEIN (HEK293), HUMAN FC-TAG Chikungunya Virus E2 Envelope protein is a unique product that has been developed in response to the need for high purity, properly...

MOUSE ANTI-DENGUE VIRUS PAN-SEROTYPE NS1 ANTIBODY (FG10) This mouse anti-Dengue virus pan-serotype NS1 protein antibody (FG10) recognises the NS1 protein of a broad range of flaviviruses.   ...

BORRELIA BURGDORFERI SENSU STRICTO (ZS7) FLAGELLIN PROTEIN This is a recombinant Borrelia burgdorferi Flagellin protein, fused to an MBP-tag and produced in E. coli (>90% purity).   ...

CLOSTRIDIUM DIFFICILE TOXIN B RIBOTYPE 078 Clostridium difficile Toxin B ribotype 078, manufactured by The Native Antigen Company, is a highly purified preparation of Toxin B from the hypervirulent...

FLAVIVIRUS NS1 PROTEIN PACK The flavivirus NS1 protein pack is perfect for creating an immediate screening capability for antibody cross-reactivity against multiple flavivirus NS1 proteins, all...

MOUSE ANTI-STAPHYLOCOCCUS AUREUS ENTEROTOXIN A ANTIBODY (E11) Mouse anti Staphylococcus aureus enterotoxin A antibody (clone E11) recognises virulence factor enterotoxin type A.The antibody is...

MOUSE ANTI-SARS-COV-2 SPIKE (S2) ANTIBODY (HA11) Mouse anti SARS-CoV-2 Spike (S2) antibody (HA11) is a monoclonal antibody that recognizes the Spike subunit 2 (S2) glycoprotein of SARS-CoV-2, which...

MOUSE ANTI-FELINE LEUKEMIA VIRUS P27 ANTIBODY (M452) Mouse anti Feline leukemia virus p27 antibody (M452) reacts with the p27 of FeLV. The antibody is suitable for enzyme immunoassay (EIA)...

MOUSE ANTI-SARS-COV-2 SPIKE (S2) ANTIBODY (JC7) Mouse anti SARS-CoV-2 Spike (S2) antibody (JC7) is a monoclonal antibody that recognizes the Spike subunit 2 (S2) glycoprotein of SARS-CoV-2, which is...

CLOSTRIDIUM DIFFICILE TOXIN A RIBOTYPE 078 Clostridium difficile Toxin A ribotype 078, manufactured by The Native Antigen Company, is a highly purified preparation of Toxin A from the hypervirulent...

INFLUENZA B [B/WASHINGTON/02/2019] HEMAGGLUTININ (HA), HIS-TAG This Influenza virus hemagglutinin protein is derived from the HA sequence of B/Washington/02/2019, expressing aa 1-545, and fused with...

MOUSE ANTI-DENGUE PAN-SEROTYPE NS1 ANTIBODY (EA1) This mouse anti-Dengue virus pan-serotype NS1 protein antibody recognises the NS1 protein of all Dengue viruses and a broad range of flaviviruses...

MOUSE ANTI-ZIKA VIRUS NS1 ANTIBODY (D11) Mouse anti Zika virus NS1 antibody is specific for the NS1 protein of Zika virus, detecting NS1 from both the Uganda and Suriname strains. It demonstrates...

RPE-IGG CONJUGATION KIT The RPE-IgG conjugation kit utilizes a novel chemistry to generate highly reproducible IgG-RPE conjugates with a simple procedure. The resulting conjugates have been shown to...

DENGUE VIRUS SEROTYPE 1 ENVELOPE PROTEIN (INSECT CELLS) Dengue virus serotype 1 Envelope protein (E protein) has been manufactured in response to the unmet need for highly purified, concentrated...

MOUSE ANTI-STAPHYLOCOCCUS AUREUS ENTEROTOXIN A ANTIBODY (H10) Mouse anti Staphylococcus aureus enterotoxin A antibody (clone H10) recognises virulence factor enterotoxin type A. The antibody is...

RECOMBINANT CAT IgE-FC DOMAIN Recombinant cat IgE-Fc domain, a cat immunoglobulin epsilon heavy chain constant region (IgE-Fc), manufactured in mammalian cells. Recommended as an immunogen to...

MOUSE ANTI-CHIKUNGUNYA VIRUS CAPSID PROTEIN (19B02) Mouse anti Chikungunya virus Capsid protein antibody is specific for the Capsid protein of Chikungunya virus. It demonstrates negligible...

MOUSE ANTI-NIPAH VIRUS GLYCOPROTEIN F ANTIBODY (CG11) Mouse anti Nipah virus (NiV) glycoprotein G monoclonal antibody is specific for the gF protein of NiV.   PRODUCT DETAILS – MOUSE...

MOUSE ANTI-ZIKA VIRUS NS1 ANTIBODY (F9) Mouse anti Zika virus NS1 antibody is specific for the NS1 protein of Zika virus, detecting NS1 from both the Uganda and Suriname strains. It demonstrates...

NAIROBI SHEEP DISEASE VIRUS GLYCOPROTEIN GC, HUMAN FC-TAG (HEK293) The Native Antigen Company have manufactured a recombinant Nairobi Sheep Disease Virus (NSDV) glycoprotein Gc, expressed in HEK293...

NAIROBI SHEEP DISEASE VIRUS GLYCOPROTEIN GN, HUMAN FC-TAG (HEK293) The Native Antigen Company have manufactured a recombinant Nairobi Sheep Disease Virus (NSDV) glycoprotein Gn, expressed in HEK293...

CLOSTRIDIUM DIFFICILE TOXIN A RIBOTYPE 027 Clostridium difficile Toxin A ribotype 027, manufactured by The Native Antigen Company, is a highly purified preparation of Toxin A from the hypervirulent...

DENGUE VIRUS SEROTYPE 2 DIII ENVELOPE PROTEIN Dengue virus serotype 2 DIII envelope protein is a recombinant protein manufactured in E. coli with greater than 95% purity.   PRODUCT DETAILS –...

DENGUE VIRUS SEROTYPE 3 DIII ENVELOPE PROTEIN Dengue virus serotype 3 DIII Envelope protein is a recombinant protein manufactured in E. coli with greater than 95% purity.   PRODUCT DETAILS –...

MOUSE ANTI-DENGUE VIRUS PAN-SEROTYPE NS1 PROTEIN ANTIBODY (EA11) This mouse anti-Dengue virus pan-serotype NS1 protein antibody (EA11) recognises the NS1 protein of a broad range of flaviviruses. ...

MOUSE ANTI-JAPANESE ENCEPHALITIS VIRUS NS1 ANTIBODY (GG4) Mouse anti JEV NS1 antibody is specific for the NS1 protein of Japanese Encephalitis virus. It demonstrates negligible cross-reactivity with...

RECOMBINANT MOUSE IgE-FC DOMAIN Recombinant mouse IgE-Fc domain, a mouse immunoglobulin epsilon heavy chain constant region (IgE-Fc), manufactured in mammalian cells. Recommended as an immunogen to...

CRIMEAN CONGO HEMORRHAGIC FEVER VIRUS GN PROTEIN The Native Antigen Company have developed recombinant CCHFV virus Gn protein, expressed in mammalian HEK293 cells. The protein has had the...

DENGUE VIRUS SEROTYPE 4 ENVELOPE PROTEIN (HEK293) Dengue virus serotype 4 Envelope protein (E protein) has been manufactured in response to the unmet need for highly purified, concentrated protein...

INFLUENZA A [A/HONG KONG/483/97 (H5N1)] HEMAGGLUTININ (HA), HIS-TAG This Influenza virus hemagglutinin protein is derived from the HA sequence of the A/Hong Kong/483/97 (H5N1) strain (Accession #...

MOUSE ANTI-CRIMEAN-CONGO HEMORRHAGIC FEVER VIRUS GN ANTIBODY (JE12) Mouse anti CCHFV Gn (glycoprotein N) is a monoclonal antibody against Crimean Congo Hemorrhagic Fever Virus Glycoprotein N. The...

MOUSE ANTI-HERPES SIMPLEX VIRUS 1/2 GD ANTIBODY (E317) Mouse anti HSV glycoprotein D antibody, clone E317, recognises a neutralising epitope on Herpes Simplex Virus (HSV) glycoprotein D. This...

MOUSE ANTI-STAPHYLOCOCCUS AUREUS ENTEROTOXIN A ANTIBODY (C4) Mouse anti Staphylococcus aureus enterotoxin A antibody (clone C4) recognises virulence factor enterotoxin type A.The antibody is...

RABBIT IgG ANTI HCOV-NL63 SPIKE (S1) POLYCLONAL ANTIBODY Polyclonal antibody against human coronavirus NL63 (HCoV-NL63) spike subunit 1 (S1). It shows some cross-reactivity towards other HCoV spike...

MOUSE ANTI-SARS-COV-2 SPIKE (S1) RBD ANTIBODY (FG11) Mouse anti SARS-CoV-2 spike (S1) RBD antibody (FG11) is a monoclonal antibody that is specific for the spike receptor binding domain of SARS-CoV...

MOUSE ANTI-SARS-COV-2 SPIKE (S2) ANTIBODY (AD10) Mouse anti SARS-CoV-2 Spike (S2) antibody (AD10) is a monoclonal antibody that recognizes the Spike subunit 2 (S2) glycoprotein of SARS-CoV-2, which...

MOUSE ANTI-SARS-COV-2 SPIKE (S2) ANTIBODY (CH1) Mouse anti SARS-CoV-2 Spike (S2) antibody (CH1) is a monoclonal antibody that recognizes the Spike subunit 2 (S2) glycoprotein of SARS-CoV-2, which is...

MOUSE ANTI-COXSACKIEVIRUS B3 ANTIBODY (PV25) Mouse anti Coxsackievirus B3 Antibody (PV25) is specific for Human Coxsackievirus B3, and shows weak cross-reaction with CVB1 and CVB6. The antibody is...

DENGUE VIRUS SEROTYPE 4 DIII ENVELOPE PROTEIN Dengue virus serotype 4 DIII envelope protein is a recombinant protein manufactured in E. coli with greater than 95% purity.   PRODUCT DETAILS –...

DENGUE VIRUS SEROTYPE 4 ENVELOPE PROTEIN (INSECT CELLS) Dengue virus serotype 4 Envelope protein (E protein) has been manufactured in response to the unmet need for highly purified, concentrated...

MOUSE ANTI-ZIKA VIRUS NS1 ANTIBODY (B4) Mouse anti Zika virus NS1 antibody is specific for the NS1 protein of Zika virus, detecting NS1 from both the Uganda and Suriname strains. It demonstrates...

MOUSE ANTI-SARS-COV-2 SPIKE (S1) RBD ANTIBODY (CE5) Mouse anti SARS-CoV-2 spike (S1) RBD antibody (CE5) is a monoclonal antibody that is specific for the spike receptor binding domain of SARS-CoV-2,...

SARS-COV-2 RBD-NUCLEOPROTEIN CHIMERA, HIS-TAG (CHO) SARS-CoV-2 RBD-Nucleoprotein Chimera, recombinant SAR-CoV-2 N-terminal Spike S1 RBD (319-541) fused to full-length Nucleoprotein (Nucleocapsid)...

CLOSTRIDIUM DIFFICILE TOXIN A Clostridium difficile Toxin A is a highly purified preparation manufactured by The Native Antigen Company. Developed either for use with clinical diagnostic assays, it...

CLOSTRIDIUM DIFFICILE TOXIN B RIBOTYPE 027 Clostridium difficile Toxin B ribotype 027, manufactured by The Native Antigen Company, is a highly purified preparation of Toxin B from the hypervirulent...

DENGUE VIRUS-LIKE PARTICLES SEROTPYES 1-4 This Dengue VLP multi-pack has been prepared in response to many customers requesting a combination pack for the purchase of all 4 Dengue VLP serotypes. We...

HUMAN METAPNEUMOVIRUS (HMPV) B GLYCOPROTEIN G, HIS-TAG (HEK293) Human Metapneumovirus (hMPV) B glycoprotein G is a recombinant antigen produced in mammalian cells to high purity. Glycoprotein G...

INFLUENZA A [A/GUINEA FOWL/HONG KONG/WF10/99 (H9N2)] HEMAGGLUTININ 1 (HA1), HIS-TAG This Influenza virus hemagglutinin 1 protein is derived from the HA sequence of the A/Guinea fowl/Hong...

INFLUENZA A [A/SHANGHAI/2/2013(H7N9)] HEMAGGLUTININ (HA), FC-TAG Influenza, commonly known as “the flu”, is an infectious disease of birds and mammals caused by RNA viruses of the family...

MOUSE ANTI-JAPANESE ENCEPHALITIS VIRUS NS1 ANTIBODY (BD6) Mouse anti JEV NS1 antibody is specific for the NS1 protein of Japanese Encephalitis virus. It demonstrates negligible cross-reactivity with...

MOUSE ANTI-JAPANESE ENCEPHALITIS VIRUS NS1 ANTIBODY (DE7) Mouse anti JEV NS1 antibody is specific for the Japanese Encephalitis virus non-structural protein NS1. It demonstrates negligible...

MOUSE ANTI-STAPHYLOCOCCUS AUREUS ENTEROTOXIN A ANTIBODY (H5) Mouse anti Staphylococcus aureus enterotoxin A antibody (clone H5) recognises virulence factor enterotoxin type A.The antibody is...

RABBIT IgG ANTI HCOV-HKU1 SPIKE (S1) POLYCLONAL ANTIBODY Polyclonal antibody against human coronavirus HKU1 (HCoV-HKU1) spike subunit 1 (S1) protein. It shows some cross-reactivity towards other HCoV...

EBOLA VIRUS ENVELOPE GLYCOPROTEIN (GP1) (ZAIRE, KIKWIT-95) Ebola virus envelope glycoprotein is initially produced as a precursor which is then cleaved into two subunits, GP1 and GP2. This is a...

INFLUENZA A [A/SHANGHAI/2/2013(H7N9)] HEMAGGLUTININ (HA), HIS-TAG This Influenza virus hemagglutinin protein is derived from the HA sequence of the A/Shanghai/2/2013 (H7N9) strain, expressing Asp19-...

INFLUENZA A [A/THAILAND/1(KAN-1)/2004 (H5N1)] NEURAMINIDASE (NA), HIS-TAG This Influenza virus neuraminidase protein is derived from the NA sequence of the A/Thailand/1(KAN-1)/2004 (H5N1) strain,...

MOUSE ANTI-CRIMEAN-CONGO HEMORRHAGIC FEVER VIRUS NUCLEOPROTEIN ANTIBODY (BA11) Mouse anti CCHFV Nucleoprotein is a monolonal antibody against Crimean Congo Hemorrhagic Fever Virus (CCHFV)...

MOUSE ANTI-YELLOW FEVER VIRUS NS1 ANTIBODY (HH7) Mouse anti Yellow Fever Virus NS1 antibody is specific for the NS1 protein of Yellow Fever virus. It demonstrates negligible cross-reactivity with NS1...

RABBIT IgG ANTI HCOV-229E SPIKE (S1) POLYCLONAL ANTIBODY Polyclonal antibody against human coronavirus 229E (HCoV-229E) spike subunit 1 (S1) protein. It shows some cross-reactivity towards other HCoV...

RHINOVIRUS TYPE 1A LYSATE Rhinovirus type 1A lysate produced from MRC-5 or HeLa cells. Purified using sucrose density gradient ultracentrifugation, heat-inactivated and tested for absence of viral...

DENGUE VIRUS SEROTYPE 3 ENVELOPE PROTEIN (INSECT CELLS) Dengue virus serotype 3 Envelope protein (E protein) has been manufactured in response to the unmet need for highly purified, concentrated...

MOUSE ANTI-DENGUE VIRUS VLP/ENV PROTEIN SEROTYPE 2 ANTIBODY (ME1) This Mouse anti Dengue virus serotype 2 monoclonal antibody is specific for Dengue virus serotype 2. The antibody binds both to...

MOUSE ANTI-ZIKA VIRUS VLP/ENV ANTIBODY (IG3) This mouse anti Zika virus VLP antibody recognises the Zika virus VLP comprising Envelope, Pre-membrane and Membrane proteins of Zika virus...

RECOMBINANT DOG IgE-FC DOMAIN Recombinant dog IgE-Fc domain, a dog immunoglobulin epsilon heavy chain constant region (IgE-Fc), manufactured in mammalian cells. Recommended as an immunogen to...

RECOMBINANT HORSE IgE-FC DOMAIN Recombinant horse IgE-Fc domain, a horse immunoglobulin epsilon heavy chain constant region (IgE-Fc), manufactured in mammalian cells. Recommended as an immunogen to...

RECOMBINANT HUMAN IgE-FC DOMAIN Recombinant human IgE-Fc domain, a human immunoglobulin epsilon heavy chain constant region (IgE-Fc), manufactured in mammalian cells. Recommended as an immunogen to...

MOUSE ANTI-SARS-COV-2 SPIKE (S1) ANTIBODY (HH10) Mouse anti SARS-CoV-2 spike (S1) antibody (HH10) is a monoclonal antibody that is specific for the spike subunit 1 (S1) of SARS-CoV-2, the causative...

CCHF VIRUS GC PROTEIN CCHF virus Gc with sheep Fc-tag (Gc, previously referred to as G1), manufactured by The Native Antigen Company to meet the increasing need for high quality reagents for research...

DENGUE VIRUS SEROTYPE 2 ENVELOPE PROTEIN (HEK293) Dengue virus serotype 2 Envelope protein (E protein) has been manufactured in response to the unmet need for highly purified, concentrated protein...

DENGUE VIRUS SEROTYPE 3 ENVELOPE PROTEIN (HEK293) Dengue virus serotype 3 (DENV3) Envelope protein (E protein) has been manufactured in response to the unmet need for highly purified, concentrated...

MOUSE ANTI-CRIMEAN-CONGO HEMORRHAGIC FEVER VIRUS GN ANTIBODY (BH4) Mouse anti CCHFV Gn (glycoprotein N) is a monolonal antibody against Crimean Congo Hemorrhagic Fever Virus Glycoprotein N (Gn). The...

MOUSE ANTI-JAPANESE ENCEPHALITIS VIRUS NS1 ANTIBODY (CA5) Mouse anti JEV NS1 antibody is specific for the Japanese Encephalitis virus (JEV) non-structural protein NS1. It demonstrates negligible...

MOUSE ANTI-JAPANESE ENCEPHALITIS VIRUS NS1 ANTIBODY (JA12) Mouse anti JEV NS1 antibody is specific for the NS1 protein of Japanese Encephalitis virus. It demonstrates negligible cross-reactivity with...

MOUSE ANTI-LISTERIA MONOCYTOGENES (LZF7) Listeria monocytogenes antibody (clone LZF7) recognises intact cells and outer membrane fraction of Listeria monocytogenes (Lm). The antibody is...

PORCINE CIRCOVIRUS 2 CAPSID PROTEIN (E. COLI), HIS-TAG Porcine circovirus 2 (PCV-2) capsid antigen is a recombinant protein, purified from E. coli with a C-terminal His-tag, to greater than 90%...

STREPTOLYSIN O (HEMOLYTIC STREPTOCOCCUS), ACTIVE Recombinant Streptolysin O, highly purified from E. coli over-expressing SLO of Group C hemolytic Streptococci (6xHis-tagged to the signal peptide...

YELLOW FEVER VIRUS ENVELOPE PROTEIN, HUMAN HETERODIMERIC FC-TAG Recombinant Yellow Fever virus Envelope protein sequence corresponds to amino acids 287-678 of the polyprotein. The transmembrane...

MOUSE ANTI-SARS-COV-2 SPIKE (S1) ANTIBODY (EB5) Mouse anti SARS-CoV-2 spike (S1) antibody (EB5) is a monoclonal antibody that is specific for the spike subunit 1 (S1) of SARS-CoV-2, the causative...

DENGUE VIRUS SEROTYPE 1 ENVELOPE PROTEIN, HUMAN FC-TAG (HEK293) Dengue virus serotype 1 Envelope protein (E protein) has been manufactured in HEK cells in response to the unmet need for highly...

MOUSE ANTI-CYTOMEGALOVIRUS GLYCOPROTEIN B ANTIBODY (0811) Mouse anti Cytomegalovirus glycoprotein B antibody recognises Human Cytomegalovirus glycoprotein B antigen. The Cytomegalovirus glycoprotein...

MOUSE ANTI-LISTERIA MONOCYTOGENES (LZH1) Listeria monocytogenes antibody (clone LZH1) recognises intact cells and outer membrane fraction of Listeria monocytogenes (Lm). The antibody is...

MOUSE ANTI-WEST NILE VIRUS NS1 ANTIBODY (IC12) Mouse anti West Nile Virus NS1 antibody is specific for the NS1 protein of West Nile virus. It demonstrates negligible cross-reactivity with NS1...

MOUSE ANTI-YELLOW FEVER VIRUS NS1 ANTIBODY (CE6) Mouse anti Yellow Fever Virus NS1 antibody is specific for the NS1 protein of Yellow Fever virus. It demonstrates negligible cross-reactivity with NS1...

SARS CORONAVIRUS SPIKE GLYCOPROTEIN MOSAIC SARS Coronavirus Spike Glycoprotein Mosaic is a recombinant antigen which contains amino acids 408-470 and 540-573 of the Spike protein immunodominant...

CLOSTRIDIUM DIFFICILE TOXOID A Clostridium difficile Toxoid A is a highly purified, non-toxic preparation derived from C. difficile toxin A. It has been developed either for use as an immunogen to...

CCHF VIRUS GC PROTEIN The Native Antigen Company have manufactured a recombinant CCHF virus Gc protein (Gc, previously referred to as G1) to meet the increasing need for high quality reagents for...

CRIMEAN CONGO HEMORRHAGIC FEVER (CCHF) VIRUS NUCLEOPROTEIN The Native Antigen Company have developed recombinant CCHF virus Nucleoprotein, expressed in mammalian HEK293 cells. The protein is full...

EBOLA VIRUS ENVELOPE GLYCOPROTEIN (GP1) This Ebola virus envelope glycoprotein (GP1) is derived from the GP1 sequence (Accession # ACI28624), expressing Ile33 – Gln304.This Ebola virus envelope...

INFLUENZA A [A/GUINEA FOWL/HONG KONG/WF10/99(H9N2)] HEMAGGLUTININ (HA), HIS-TAG This Influenza virus hemagglutinin protein is derived from the HA sequence of the A/Guinea fowl/Hong Kong/WF10/99,...

MOUSE ANTI-CYTOMEGALOVIRUS GLYCOPROTEIN B ANTIBODY (0826) Mouse anti Cytomegalovirus glycoprotein B antibody recognises Human Cytomegalovirus glycoprtein B antigen. The Cytomegalovirus Glycoprotein...