●I-TASSER ●QUARK ●LOMETS ●COACH ●COFACTOR ●MUSTER ●SEGMER ●FG-MD ●ModRefiner ●REMO ●SPRING ●COTH ●BSpred ●SVMSEQ ●ANGLOR ●BSP-SLIM ●SAXSTER ●ThreaDom ●EvoDesign ●GPCR-I-TASSER ●BindProf ●BindProfX ●ResQ ●IonCom ●STRUM

●TM-score ●TM-align ●MMalign ●NWalign ●EDTSurf ●MVP ●MVP-Fit ●SPICKER ●HAAD ●PSSpred ●3DRobot ●I-TASSER-MR

●BioLiP ●E. coli ●GLASS ●GPCR-HGmod ●GPCR-RD ●GPCR-EXP ●TM-fold ●DECOYS ●POTENTIAL ●RW ●HPSF ●CASP7 ●CASP8 ●CASP9 ●CASP10 ●CASP11 ●CASP12

MR-REX (Molecular Replacement Replica-EXchange) is a program for performing molecular replacement. The input for MR-REX is a protein structure and a cif structure factor file. The output is the protein properly placed in the unit cell.

Click here for an example input

Click here for an example output

Input Structure, Template/model in PDB format (mandatory):

Or use the text box below.


Input X-ray data in cif or mtz format (mandatory):

Or use the text box below.


Space group:

A 1 A 2 B 1 1 2 B 2 B 2 21 2 C 1 2 1 C 1 21 1 C 2 2 2 C 2 2 21 C 21 C 4 21 2 F 2 2 2 F 2 3 F 4 2 2 F 4 3 2 F 41 3 2 H 3 H 3 2 I -4 2 d I -4 c 2 I 1 2 1 I 1 21 1 I 2 2 2 I 2 3 I 21 I 21 21 21 I 21 3 I 4 I 4 2 2 I 4 3 2 I 41/a P -1 P 1 P 1 1 2 P 1 1 21 P 1 2 1 P 1 21 1 P 1 21/c 1 P 1 21/n 1 P 2 2 2 P 2 2 21 P 2 21 21 P 21 21 2 P 21 21 2 A P 21 21 21 P 21 3 P 3 P 3 1 2 P 3 2 1 P 3 1 P 3 1 1 2 P 32 P 32 1 2 P 32 2 1 P 4 P 4 2 2 P 4 21 2 P 41 3 2 P 42 P 42 2 2 P 43 3 2 P 6 P 61 P 61 2 2 P 63 P 63 2 2 P 64 P 64 2 2 P 65 2 2 R 3 R 32

Unit cell information: (mandatory)
a b c alpha beta gamma

Number of proteins in the asymmetric unit cell: (mandatory)


Use advanced options:
yes
no



1st round run time (In hours)
2nd round run time (In hours)
3rd round run time (In hours)
Number of replicas
Max h
Max k
Max l
Bulk Density
Clash Weight Core Core
Clash Weight Core Surface
Clash Weight Surface Surface
Diff Of Squares Weight
Pearson Weight
RFactor Weight
Product Weight
MinTempFrac
MaxTempFrac
Number of grid points for fast rotation translation:
H values

K values

L values


Input Email: (Where results will be sent to)

Click MR-REX to download the newest version of the source code of MR-REX.

Click MR-REX to download the executable program for Linux system. Nevertheless, it is recommended to download the MR-REX source code and compile it on your machine, which gives you higher speed to run the program (See above step).