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I-TASSER I-TASSER-MTD C-I-TASSER CR-I-TASSER QUARK C-QUARK LOMETS MUSTER CEthreader SEGMER DeepFold DeepFoldRNA FoldDesign COFACTOR COACH MetaGO TripletGO IonCom FG-MD ModRefiner REMO DEMO DEMO-EM SPRING COTH Threpp PEPPI BSpred ANGLOR EDock BSP-SLIM SAXSTER FUpred ThreaDom ThreaDomEx EvoDesign BindProf BindProfX SSIPe GPCR-I-TASSER MAGELLAN ResQ STRUM DAMpred

TM-score TM-align US-align MM-align RNA-align NW-align LS-align EDTSurf MVP MVP-Fit SPICKER HAAD PSSpred 3DRobot MR-REX I-TASSER-MR SVMSEQ NeBcon ResPRE TripletRes DeepPotential WDL-RF ATPbind DockRMSD DeepMSA FASPR EM-Refiner GPU-I-TASSER

BioLiP E. coli GLASS GPCR-HGmod GPCR-RD GPCR-EXP Tara-3D TM-fold DECOYS POTENTIAL RW/RWplus EvoEF HPSF THE-DB ADDRESS Alpaca-Antibody CASP7 CASP8 CASP9 CASP10 CASP11 CASP12 CASP13 CASP14

DEMO-EM is a hierarchical method to assemble multi-domain protein structures from cryo-EM density maps. It starts with query sequence and cryo-EM density maps, with individual domain structure constructed with FUpred, ThreaDom, and I-TASSER. Next, the multi-domain complex structure is constructed by a progressive rigid-body domain assembly and atomic-level flexible structural refinement process under the guidance of cryo-EM density maps and deep-learning distance profiles. Large-scale benchmark tests have shown significant advantage of DEMO-EM over traditional homologous template based approaches for high-accuracy multi-domain protein structure modeling. (>>more about DEMO-EM ...)

DEMO-EM2: protein complex structures modelling from cryo-EM maps

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DEMO-EM On-line Server [View an example output]


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References:
  • Xiaogen Zhou, Yang Li, Chengxin Zhang, Wei Zheng, Guijun Zhang, Yang Zhang. Progressive assembly of multi-domain protein structures from cryo-EM density maps. Nature Computational Science, 2: 265-275 (2022).

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