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2SAR

DETERMINATION AND RESTRAINED LEAST-SQUARES REFINEMENT OF THE CRYSTAL STRUCTURES OF RIBONUCLEASE SA AND ITS COMPLEX WITH 3'-GUANYLIC ACID AT 1.8 ANGSTROMS RESOLUTION

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B
(A, B)
RIBONUCLEASE SApolymer9610584.52UniProt (P05798)Streptomyces aureofaciens
2C, E
(A, B)
SULFATE IONnon-polymer96.12Chemie (SO4)
3D
(A)
GUANOSINE-3'-MONOPHOSPHATEnon-polymer363.21Chemie (3GP)
PubChem (136134225)
PubChem (135398727)
PubChem (135512649)
PubChem (135790015)
PubChem (136027158)
PubChem (136094713)
PubChem (136847918)
PubChem (136847919)
PubChem (136847920)
PubChem (136847921)
4F, G
(A, B)
waterwater18.0222Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight21169.1
Non-Polymers*Number of molecules3
Total formula weight555.3
All*Total formula weight21724.4
*Water molecules are not included.

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PDB entries from 2026-05-13

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