Factor D (EC 3.4.21.46, C3 proactivator convertase, properdin factor D esterase, factor D (complement), complement factor D, CFD, adipsin) is a protein which in humans is encoded by the CFD gene.[3] Factor D is involved in the alternative complement pathway of the complement system where it cleaves factor B.
^PDB: 1HFD
^Narayana SV, Carson M, el-Kabbani O, Kilpatrick JM, Moore D, Chen X, Bugg CE, Volanakis JE, DeLucas LJ (1994). "Structure of human factor D. A complement system protein at 2.0 A resolution". Journal of Molecular Biology. 235 (2): 695–708. doi:10.1006/jmbi.1994.1021. PMID 8289289.
Environmental factor, any abiotic or biotic factor that affects life Enzyme, proteins that catalyze chemical reactions Factor B, and factorD, peptides involved...
the A antigen and Rh(D) antigen, whereas someone who is A− has the A antigen but lacks the Rh(D) antigen). The terms Rh factor, Rh positive, and Rh negative...
In an audio system, the damping factor is defined as the ratio of the rated impedance of the loudspeaker (usually assumed to be 8 Ω) to the source impedance...
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equation d 2 y d t 2 = A y 2 / 3 {\displaystyle {\frac {d^{2}y}{dt^{2}}}=Ay^{2/3}} admits d y d t {\textstyle {\frac {dy}{dt}}} as an integrating factor: d 2...
needed] In the alternative pathway, C3b binds to Factor B. FactorD releases Factor Ba from Factor B bound to C3b. The complex of C3b(2)Bb is a protease...
Vascular endothelial growth factor (VEGF, /vɛdʒˈɛf/), originally known as vascular permeability factor (VPF), is a signal protein produced by many cells...
(dB). The crest factor of the test signal is a fairly important issue in loudspeaker testing standards; in this context it is usually expressed in dB...
damping factor and the sum of the incoming PageRank scores. That is, P R ( A ) = 1 − d N + d ( P R ( B ) L ( B ) + P R ( C ) L ( C ) + P R ( D ) L ( D ) +...
estimates the effects for factorD, what is really being estimated is a combination of the main effect of D and the two-factor interaction involving A and...
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blackleg (1961) production of Rhesus (D) immunoglobulin to prevent haemolytic disease in newborns due to Rh factor incompatibility (1966–67) pioneering...
In electrical engineering, the power factor of an AC power system is defined as the ratio of the real power absorbed by the load to the apparent power...
In physics and engineering, the quality factor or Q factor is a dimensionless parameter that describes how underdamped an oscillator or resonator is. It...
{-A_{3}d}{\lambda }}\right)} where C is the correction factor λ is the mean free path d is the particle diameter An are experimentally determined coefficients...
from a yield curve, and a time to cash flow T (in years), the discount factor is: D F ( T ) = 1 ( 1 + r T ) . {\displaystyle DF(T)={\frac {1}{(1+rT)}}.}...
reduction factor is called distribution factor k d {\displaystyle k_{d}} . The other factors that can reduce the winding factor are pitch factor k p {\displaystyle...
The X Factor is a television music competition franchise created by British producer Simon Cowell and his company Syco Entertainment. It originated in...
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