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structure nameHOMING ENDONUCLEASE I-PPOI-DNA COMPLEX:REACTION AT PH6.0 (K+ MES) WITH 500 UM MG2+ FOR 80S
(Intron-encoded endonuclease I-PpoI)
referenceChang et al. 'To ? ? ?
sourcePhysarum polycephalum
experimentX-ray (resolution=1.60, R-factor=0.181)
structural superfamilyHis-Me finger endonucleases;
multimeric complexes1a74_AB 1cyq_AB 1cz0_AB 1ipp_AB 2o6m_AB 8vmo_AB 8vmp_AB 8vmq_AB 8vmr_AB 8vms_AB 8vmt_AB 8vmu_AB 8vmv_AB 8vmw_AB 8vmx_AB 8vmy_AB 8vmz_AB 8vn0_AB 8vn1_AB 8vn2_AB 8vn3_AB 8vn4_AB 8vn5_AB 8vn6_AB 8vn7_AB 8vn8_AB 8vn9_AB 8vna_AB 8vnb_AB 8vne_AB 8vnf_AB 8vng_AB 8vnh_AB 8vnj_AB 8vnk_AB 8vnl_AB 8vnm_AB 8vnn_AB 8vno_AB 8vnp_AB 8vnq_AB 8vnr_AB 8vns_AB 8vnt_AB 8vnu_AB
reference complex8vms_A
links to other resourcesNAKB PDBSum PDIdb DNAproDB
protein sequence
interface signatureANRQKTVRLK

Estimated binding specificities ?

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# IC=9.308 IC/col=0.931 n_of_columns=10 specificity:   
A |  96  68   1  68   0  96   0   9   0  64
C |   0   4   9   1   0   0   0  20  96  10
G |   0   9  82  27  96   0  96  13   0   9
T |   0  15   4   0   0   0   0  54   0  13
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updated Sat Jan 10 03:09:13 2026