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8EPK

Complex of anticoagulant RNA aptamer and human coagulation factor IXa (S195A)

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, C
(A, C)
Coagulation factor IXa light chainpolymer657267.32UniProt (P00740)
Pfam (PF14670)
Homo sapiens (human)
2B, D
(B, D)
Coagulation factor IXa heavy chainpolymer23526174.82UniProt (P00740)
Pfam (PF00089)
Homo sapiens (human)
3E, F
(E, F)
RNA (31-MER)polymer3110120.32synthetic construct
4G, H
(B, D)
CALCIUM IONnon-polymer40.12Chemie (CA)
5I, J
(E, F)
MAGNESIUM IONnon-polymer24.32Chemie (MG)
6K, L, M, N
(A, D, E, F)
waterwater18.010Chemie (HOH)
Sequence modifications
A, C: 84 - 144 (UniProt: P00740)
PDBExternal DatabaseDetails
Arg 145-insertion
Arg 146-insertion
Lys 147-insertion
Arg 148-insertion
B, D: 16 - 245 (UniProt: P00740)
PDBExternal DatabaseDetails
Ala 195Ser 411engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains6
Total formula weight87124.8
Non-Polymers*Number of molecules4
Total formula weight128.8
All*Total formula weight87253.6
*Water molecules are not included.

246031

PDB entries from 2025-12-10

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