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Description
Human Factor H/CFH (19-866aa) Protein, His TagProduct Specification Species Human Synonyms Complement factor H, H factor 1, HF, HF1, HF2 Accession P08603 Amino Acid Sequence Protein sequence (P08603, Glu19 Glu866, with C His Tag)
Product Specification
| Species | Human |
| Synonyms | Complement factor H, H factor 1, HF, HF1, HF2 |
| Accession | P08603 |
| Amino Acid Sequence | Protein sequence (P08603, Glu19-Glu866, with C-His Tag) EDCNELPPRRNTEILTGSWSDQTYPEGTQAIYKCRPGYRSLGNVIMVCRKGEWVALNPLRKCQKRPCGHPGDTPFGTFTLTGGNVFEYGVKAVYTCNEGYQLLGEINYRECDTDGWTNDIPICEVVKCLPVTAPENGKIVSSAMEPDREYHFGQAVRFVCNSGYKIEGDEEMHCSDDGFWSKEKPKCVEISCKSPDVINGSPISQKIIYKENERFQYKCNMGYEYSERGDAVCTESGWRPLPSCEEKSCDNPYIPNGDYSPLRIKHRTGDEITYQCRNGFYPATRGNTAKCTSTGWIPAPRCTLKPCDYPDIKHGGLYHENMRRPYFPVAVGKYYSYYCDEHFETPSGSYWDHIHCTQDGWSPAVPCLRKCYFPYLENGYNQNYGRKFVQGKSIDVACHPGYALPKAQTTVTCMENGWSPTPRCIRVKTCSKSSIDIENGFISESQYTYALKEKAKYQCKLGYVTADGETSGSITCGKDGWSAQPTCIKSCDIPVFMNARTKNDFTWFKLNDTLDYECHDGYESNTGSTTGSIVCGYNGWSDLPICYERECELPKIDVHLVPDRKKDQYKVGEVLKFSCKPGFTIVGPNSVQCYHFGLSPDLPICKEQVQSCGPPPELLNGNVKEKTKEEYGHSEVVEYYCNPRFLMKGPNKIQCVDGEWTTLPVCIVEESTCGDIPELEHGWAQLSSPPYYYGDSVEFNCSESFTMIGHRSITCIHGVWTQLPQCVAIDKLKKCKSSNLIILEEHLKNKKEFDHNSNIRYRCRGKEGWIHTVCINGRWDPEVNCSMAQIQLCPPPPQIPNSHNMTTTLNYRDGEKVSVLCQENYLIQEGEEITCKDGRWQSIPLCVE |
| Expression System | HEK293 |
| Molecular Weight | Predicted MW: 97.8 kDa Observed MW: 100 kDa |
| Purity | ＞95% by SDS-PAGE |
| Endotoxin | <1EU/μg |
| Conjugation | Unconjugated |
| Physical Appearance | Lyophilized powder |
| Storage Buffer | Lyophilized from a 0.2 μm filtered solution of 0.2M PBS, pH7.4 with 3% trehalose. |
| Reconstitution | Reconstitute no more than 1 mg/mL according to the size in deionized water after rapid centrifugation. |
| Stability & Storage | 12 months from date of receipt, -20 to -70 °C as supplied. |
Background
Complement Factor H (CFH) is a critical regulatory glycoprotein of the innate immune system's complement cascade, specifically the alternative pathway. Produced primarily in the liver, it circulates in the blood and is also synthesized locally by various cell types, including retinal pigment epithelial cells. Its essential function is to protect host tissues from inappropriate complement-mediated attack. CFH acts as a cofactor for the inactivation of C3b, accelerates the decay of the C3 convertase enzyme complex, and binds to host cell surfaces. This binding is crucial for distinguishing "self" from "non-self," preventing damage to healthy human cells. Dysregulation or deficiency of CFH is strongly linked to several diseases, most notably age-related macular degeneration (AMD) and atypical hemolytic uremic syndrome (aHUS).
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