7vf6

The crystal structure of PurZ0

spinqualitylabelsall models 7vf6, resolution 1.70Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 7vf6 is a 2 chain structure with sequence from Gordonia phage Archimedes. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: X-ray diffraction, Resolution 1.703Å Ligands: GDP, GOL, PO4, SO4 Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function A0A7L7SI10_9CAUD Involved in the synthesis of the atypical nucleotide dZTP (2-amino-2'-deoxyadenosine-5'-triphosphate). Catalyzes the condensation of aspartate with deoxyguanylate into dSMP (N6-succino-2-amino-2'-deoxyadenylate), which undergoes defumarylation and phosphorylation respectively by host PurB and guanylate/nucleoside diphosphate kinases to give dZTP. dZTP is integrated into the viral genome instead of adenine by the viral DNA polymerase. This Z-base probably completely replaces adenosine and forms a triple bond to the opposite T-base. The resulting non-standard viral DNA is called Z-genome. The chemically modified DNA is probably harder for the host bacteria to digest with nucleases or restriction enzymes.[HAMAP-Rule:MF_04166]

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