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Single Domain Antibody
Single domain antibody, also known as domain
antibody, such as VH
H, VNAR
or sdAb, is a kind of
antibody fragments consisting of a single
monomeric variable antibody domain and lacking
the light chain and CH1 domain of the heavy chain
in conventional Fab region. The first single domain
antibody was engineered from the VH
H domain of
heavy-chain antibody identified in camelids (e.g.
dromedaries, camels, llamas, and alpacas). And the
VNAR
domain of cartilaginous fishes (e.g. shark)
heavy-chain antibody (known as IgNAR,
immunoglobulin new antigen receptor) is another
qualified source for sdAb development.
In terms of these advantages compared with the conventional antibody, sdAb presents great applications in many aspects
including biological diagnosis, medical imaging, and immunodetection. Equipped with advanced platforms and extensive
experience, Creative Biolabs is a well-recognized leader in the field of sdAb discovery and engineering.
Single Domain
Antibody
Discovery and Engineering
sdAb Discovery
Services
Advantages of sdAb
We have unparalleled capabilities for the construction of V H or V based sdAb
libraries through immunized camel, llama, alpaca or shark.
Immune Phage Display Library Construction and Screening
NAR
Smallest antibody fragment (12-15 kDa)
Recognize novel/hidden epitopes
High stability within extreme conditions and
intracellular environment
Outstanding penetrability
Short plasma half-life and better clearance
Improved bioavailability
Expressible in both eukaryotic and prokaryotic
systems
Excellent chaperone for the crystallization of
challenging targets
Great potential in downstream engineering
H

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Human or Humanized Antibody Services

  • 1. Single Domain Antibody Single domain antibody, also known as domain antibody, such as VH H, VNAR or sdAb, is a kind of antibody fragments consisting of a single monomeric variable antibody domain and lacking the light chain and CH1 domain of the heavy chain in conventional Fab region. The first single domain antibody was engineered from the VH H domain of heavy-chain antibody identified in camelids (e.g. dromedaries, camels, llamas, and alpacas). And the VNAR domain of cartilaginous fishes (e.g. shark) heavy-chain antibody (known as IgNAR, immunoglobulin new antigen receptor) is another qualified source for sdAb development. In terms of these advantages compared with the conventional antibody, sdAb presents great applications in many aspects including biological diagnosis, medical imaging, and immunodetection. Equipped with advanced platforms and extensive experience, Creative Biolabs is a well-recognized leader in the field of sdAb discovery and engineering. Single Domain Antibody Discovery and Engineering sdAb Discovery Services Advantages of sdAb We have unparalleled capabilities for the construction of V H or V based sdAb libraries through immunized camel, llama, alpaca or shark. Immune Phage Display Library Construction and Screening NAR Smallest antibody fragment (12-15 kDa) Recognize novel/hidden epitopes High stability within extreme conditions and intracellular environment Outstanding penetrability Short plasma half-life and better clearance Improved bioavailability Expressible in both eukaryotic and prokaryotic systems Excellent chaperone for the crystallization of challenging targets Great potential in downstream engineering H