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1TW8

HincII bound to Ca2+ and cognate DNA GTCGAC

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B, C, D
(E, F, G, H)
5'-D(*GP*CP*CP*GP*GP*TP*CP*GP*AP*CP*CP*GP*G)-3'polymer133993.64
2E, F, G, H
(A, B, C, D)
Hinc II endonucleasepolymer25729820.14UniProt (E1B6R0)
Pfam (PF09226)
UniProt (by SIFTS) (P17743)
Haemophilus influenzae
3I, J, K, M, O...
(F, H, A, B, C...)
CALCIUM IONnon-polymer40.16Chemie (CA)
4L, N, P, R
(A, B, C, D)
SODIUM IONnon-polymer23.04Chemie (NA)
5S, T, U, V, W...
(E, F, G, H, A...)
waterwater18.0765Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains8
Total formula weight135254.6
Non-Polymers*Number of molecules10
Total formula weight332.4
All*Total formula weight135587.0
*Water molecules are not included.

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PDB entries from 2025-11-05

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