Protein
Inactive chemokine-binding protein
Organism
Vaccinia virus (strain Western Reserve)
Function
The protein is truncated in this vaccinal strain and presumably inactive, because the lack of signal peptide prevents the protein of being secreted. In the wild-type viruses inhibits host immune defense by binding to host chemokines. Binds host CC chemokines (beta chemokines) such as RANTES with high affinity, but not CXC or C chemokines (alpha and gamma chemokines).
Similarity
Belongs to the poxviridae chemokine-binding protein family.
Sequence
MHVPASLQQSSSSSSSCTEEENKHHMGIDVIIKVTKQDQTPTNDKICQSVTEITESESDPDPEVESEDDSTSVEDVDPPTTYYSIIGGGLRMNFGFTKCPQIKSISESADGNTVNARLSSVSPGQGKDSPAITHEEALAMIKDCEVSIDIRCSEEEKDSDIKTHPVLGSNISHKKVSYEDIIGSTIVDTKCVKNLEFSVRIGDMCKESSELEVKDGFKYVDGSASEGATDDTSLIDSTKLKACV