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1TWX

Crystal structure of the thrombin mutant D221A/D222K

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Prothrombinpolymer283303.71UniProt (P00734)
Pfam (PF09396)
Homo sapiens (human)Coagulation factor II
2B
(B)
Prothrombinpolymer25929750.31UniProt (P00734)
Pfam (PF00089)
Homo sapiens (human)Coagulation factor II
3C
(C)
Hirudinpolymer101291.31UniProt (P28504)
4D
(B)
2-acetamido-2-deoxy-beta-D-glucopyranosenon-polymer221.21Chemie (NAG)
5E, F, G
(A, B, C)
waterwater18.0141Chemie (HOH)
Sequence modifications
B: 16 - 247 (UniProt: P00734)
PDBExternal DatabaseDetails
Ala 183Asp 595engineered mutation
Lys 185Asp 597engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains3
Total formula weight34345.4
Non-Polymers*Number of molecules1
Total formula weight221.2
All*Total formula weight34566.6
*Water molecules are not included.

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PDB entries from 2025-12-17

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