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4E8T

Structure of Oceanobacillus iheyensis group II intron in the presence of K+, Ca2+ and an oligonucleotide fragment substrate (low energy dataset)

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Group IIC intronpolymer393127646.61Oceanobacillus iheyensis
2B
(B)
5'-R(*AP*UP*UP*UP*AP*UP*UP*A)-3'polymer82473.51
3AA, C, D, E, F...
(A)
CALCIUM IONnon-polymer40.125Chemie (CA)
4BA, CA, DA, EA, FA...
(A)
POTASSIUM IONnon-polymer39.114Chemie (K)
5PA, QA
(A)
SPERMINEnon-polymer202.32Chemie (SPM)
6RA, SA, TA, UA, VA...
(A)
4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACIDnon-polymer238.36Chemie (EPE)
7XA, YA
(A, B)
waterwater18.040Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight130120.1
Non-Polymers*Number of molecules47
Total formula weight3383.8
All*Total formula weight133503.9
*Water molecules are not included.

246031

PDB entries from 2025-12-10

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