SHEET DETERMINATION METHOD: DSSP THE SHEETS PRESENTED AS "AA" IN EACH CHAIN ON SHEET RECORDS BELOW ... SHEET DETERMINATION METHOD: DSSP THE SHEETS PRESENTED AS "AA" IN EACH CHAIN ON SHEET RECORDS BELOW IS ACTUALLY AN 19-STRANDED BARREL THIS IS REPRESENTED BY A 20-STRANDED SHEET IN WHICH THE FIRST AND LAST STRANDS ARE IDENTICAL. THE SHEETS PRESENTED AS "BA" IN EACH CHAIN ON SHEET RECORDS BELOW IS ACTUALLY AN 6-STRANDED BARREL THIS IS REPRESENTED BY A 7-STRANDED SHEET IN WHICH THE FIRST AND LAST STRANDS ARE IDENTICAL. THE SHEETS PRESENTED AS "FA" IN EACH CHAIN ON SHEET RECORDS BELOW IS ACTUALLY AN 6-STRANDED BARREL THIS IS REPRESENTED BY A 7-STRANDED SHEET IN WHICH THE FIRST AND LAST STRANDS ARE IDENTICAL.
Mass: 18.015 Da / Num. of mol.: 308 / Source method: isolated from a natural source / Formula: H2O
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Details
Sequence details
DIFFERENT RESIDUE: GLY A 481, GLY B 481, GLY C 481 THIS RESIDUE WAS IDENTIFIED AS A GLY FROM THE ...DIFFERENT RESIDUE: GLY A 481, GLY B 481, GLY C 481 THIS RESIDUE WAS IDENTIFIED AS A GLY FROM THE PROTEIN SEQUENCE. IN THE CDNA SEQUENCE THE CODON FOR THIS RESIDUE WAS AGC (SER) IN THREE CLONES, WHILE IN TWO OTHERS IT WAS GGC (GLY). THE DIFFERENCE WAS THOUGHT TO BE DUE TO A MUTATION OCCURRING DURING EITHER PROPAGATION OF THE CLONES IN THE LIBRARY OR SUBCLONING INTO M13 VECTORS. THE ELECTRON DENSITY IN HIGHER RESOLUTION STRUCTURES SUGGESTS A GLY IN THIS POSITION.
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Experimental details
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Experiment
Experiment
Method: X-RAY DIFFRACTION
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Sample preparation
Crystal
Density Matthews: 2.8 Å3/Da / Density % sol: 56 % / Description: NONE
Resolution: 2.6→63.5 Å / Cor.coef. Fo:Fc: 0.905 / Cor.coef. Fo:Fc free: 0.864 / SU B: 31.727 / SU ML: 0.326 / Cross valid method: THROUGHOUT / ESU R Free: 0.437 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS.
Rfactor
Num. reflection
% reflection
Selection details
Rfree
0.28933
4568
5 %
RANDOM
Rwork
0.24487
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obs
0.24711
87491
77.98 %
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Solvent computation
Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å / Solvent model: MASK