HEADER ANTIBIOTIC 21-JUN-02 1M24 TITLE TRICHOTOXIN_A50E, AN ION CHANNEL-FORMING POLYPEPTIDE COMPND MOL_ID: 1; COMPND 2 MOLECULE: TRICHOTOXIN_A50E; COMPND 3 CHAIN: A, B SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: TRICHODERMA VIRIDE; SOURCE 3 ORGANISM_TAXID: 5547; SOURCE 4 STRAIN: NRRL 5242 KEYWDS TRICHOTOXIN, PEPTAIBOL, ANTIBACTERIAL, ANTIFUNGAL, ANTIBIOTIC EXPDTA X-RAY DIFFRACTION AUTHOR J.K.CHUGH,H.BRUECKNER,B.A.WALLACE REVDAT 8 03-APR-24 1M24 1 REMARK REVDAT 7 15-NOV-23 1M24 1 REMARK LINK ATOM REVDAT 6 11-OCT-17 1M24 1 REMARK REVDAT 5 05-SEP-12 1M24 1 REMARK REVDAT 4 27-JUL-11 1M24 1 REMARK REVDAT 3 13-JUL-11 1M24 1 VERSN REVDAT 2 24-FEB-09 1M24 1 VERSN REVDAT 1 06-NOV-02 1M24 0 JRNL AUTH J.K.CHUGH,H.BRUECKNER,B.A.WALLACE JRNL TITL MODEL FOR A HELICAL BUNDLE CHANNEL BASED ON THE JRNL TITL 2 HIGH-RESOLUTION CRYSTAL STRUCTURE OF TRICHOTOXIN_A50E JRNL REF BIOCHEMISTRY V. 41 12934 2002 JRNL REFN ISSN 0006-2960 JRNL PMID 12390019 JRNL DOI 10.1021/BI026150Z REMARK 2 REMARK 2 RESOLUTION. 0.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : SHELXL-97 REMARK 3 AUTHORS : G.M.SHELDRICK REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 0.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.7 REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (NO CUTOFF). REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : 0.076 REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.075 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.092 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 688 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 13427 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F). REMARK 3 R VALUE (WORKING + TEST SET, F>4SIG(F)) : 0.057 REMARK 3 R VALUE (WORKING SET, F>4SIG(F)) : 0.056 REMARK 3 FREE R VALUE (F>4SIG(F)) : 0.072 REMARK 3 FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT (F>4SIG(F)) : 508 REMARK 3 TOTAL NUMBER OF REFLECTIONS (F>4SIG(F)) : 10153 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 238 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 6 REMARK 3 SOLVENT ATOMS : 5 REMARK 3 REMARK 3 MODEL REFINEMENT. REMARK 3 OCCUPANCY SUM OF NON-HYDROGEN ATOMS : 249.00 REMARK 3 OCCUPANCY SUM OF HYDROGEN ATOMS : 278.00 REMARK 3 NUMBER OF DISCRETELY DISORDERED RESIDUES : 0 REMARK 3 NUMBER OF LEAST-SQUARES PARAMETERS : 2244 REMARK 3 NUMBER OF RESTRAINTS : 2814 REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : 0.026 REMARK 3 ANGLE DISTANCES (A) : 0.026 REMARK 3 SIMILAR DISTANCES (NO TARGET VALUES) (A) : 0.000 REMARK 3 DISTANCES FROM RESTRAINT PLANES (A) : 0.026 REMARK 3 ZERO CHIRAL VOLUMES (A**3) : 0.101 REMARK 3 NON-ZERO CHIRAL VOLUMES (A**3) : 1.186 REMARK 3 ANTI-BUMPING DISTANCE RESTRAINTS (A) : 0.000 REMARK 3 RIGID-BOND ADP COMPONENTS (A**2) : 0.006 REMARK 3 SIMILAR ADP COMPONENTS (A**2) : 0.030 REMARK 3 APPROXIMATELY ISOTROPIC ADPS (A**2) : 0.091 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED: NULL REMARK 3 REMARK 3 STEREOCHEMISTRY TARGET VALUES : ENGH & HUBER REMARK 3 SPECIAL CASE: NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: USED WEIGHTED FULL MATRIX LEAST SQUARES REMARK 3 PROCEDURE, NO RESTRAINTS USED REMARK 4 REMARK 4 1M24 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 27-JUN-02. REMARK 100 THE DEPOSITION ID IS D_1000016502. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 24-APR-01 REMARK 200 TEMPERATURE (KELVIN) : 150 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SRS REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.6883 REMARK 200 MONOCHROMATOR : SILICON 111 REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : SMART V. 5.054 (BRUKER) REMARK 200 DATA SCALING SOFTWARE : BRUKER SAINT REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 13427 REMARK 200 RESOLUTION RANGE HIGH (A) : 0.900 REMARK 200 RESOLUTION RANGE LOW (A) : 10.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.7 REMARK 200 DATA REDUNDANCY : 2.790 REMARK 200 R MERGE (I) : 0.05140 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 15.0300 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 0.90 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 0.95 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.9 REMARK 200 DATA REDUNDANCY IN SHELL : 2.18 REMARK 200 R MERGE FOR SHELL (I) : 0.26140 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.360 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: MOLREP REMARK 200 STARTING MODEL: MODEL OF HELICAL PEPTIDE, RESIDUES 1-13. REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 8.28 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.30 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: METHANOL:ACETONITRILE 1:10, REMARK 280 EVAPORATION, RECRYSTALLIZATION, TEMPERATURE 268K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 REMARK 290 WHERE NNN -> OPERATOR NUMBER REMARK 290 MMM -> TRANSLATION VECTOR REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY REMARK 290 RELATED MOLECULES. REMARK 290 SMTRY1 1 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 1 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 1 0.000000 0.000000 1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON REMARK 300 BURIED SURFACE AREA. REMARK 350 REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS REMARK 350 GIVEN BELOW. BOTH NON-CRYSTALLOGRAPHIC AND REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN. REMARK 350 REMARK 350 BIOMOLECULE: 1 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B REMARK 350 BIOMT1 1 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 1 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 1 0.000000 0.000000 1.000000 0.00000 REMARK 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 820 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 3660 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -7.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A REMARK 350 BIOMT1 1 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 1 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 1 0.000000 0.000000 1.000000 0.00000 REMARK 350 APPLY THE FOLLOWING TO CHAINS: B REMARK 350 BIOMT1 2 1.000000 0.000000 0.000000 6.72345 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 16.62133 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 REMARK 400 REMARK 400 COMPOUND REMARK 400 TRICHOTOXIN_A50E IS LINEAR PEPTIDE, A MEMBER OF THE PEPTAIBOL REMARK 400 FAMILY OF MEMBRANE CHANNEL FORMING PEPTIDES. REMARK 400 HERE, TRICHOTOXIN_A50E IS REPRESENTED BY THE SEQUENCE (SEQRES) REMARK 400 REMARK 400 THE TRICHOTOXIN A50E IS PEPTAIBOL, A MEMBER OF ANTIBIOTIC CLASS. REMARK 400 REMARK 400 GROUP: 1 REMARK 400 NAME: TRICHOTOXIN A50E REMARK 400 CHAIN: A, B REMARK 400 COMPONENT_1: PEPTIDE LIKE POLYMER REMARK 400 DESCRIPTION: TRICHOTOXIN_A50E IS AN OCTADECAMERIC HELICAL REMARK 400 PEPTIDE. THE N-TERM IS ACETYLATED (RESIDUE 0) REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 HH VOL A 18 O HOH A 2002 1.55 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 HH2 VOL B 18 H22 CCN A 19 1655 1.35 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CCN A 19 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CCN B 19 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR CHAIN A OF TRICHOTOXIN_A50E REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR CHAIN B OF TRICHOTOXIN_A50E REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1R9U RELATED DB: PDB REMARK 900 SOLUTION STRUCTURE OF THE PEPTAIBOL ZERVAMICIN IIB IN METHANO REMARK 900 RELATED ID: 1DLZ RELATED DB: PDB REMARK 900 SOLUTION STRUCTURE OF THE PEPTIABOL ZERVAMICIN IIB REMARK 900 RELATED ID: 1IH9 RELATED DB: PDB REMARK 900 SOLUTION STRUCTURE OF THE PEPTAIBOL ZERVAMICIN IIB BOUND TO DPC REMARK 900 MICELLES REMARK 900 RELATED ID: 1GQ0 RELATED DB: PDB REMARK 900 SOLUTION STRUCTURE OF THE PEPTAIBOL ANTIAMOEBIN I REMARK 900 RELATED ID: 1JOH RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE PEPTAIBOL ANTIAMOEBIN I REMARK 900 RELATED ID: 1AMT RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE PEPTAIBOL ALAMETHICIN REMARK 900 RELATED ID: 1EE7 RELATED DB: PDB REMARK 900 SOLUTION STRUCTURE OF THE PEPTAIBOL CHRYSOSPERMIN C BOUND TO DPC REMARK 900 MICELLES REMARK 900 RELATED ID: 1OB7 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE PEPTAIBOL CEPHAIBOL C REMARK 900 RELATED ID: 1OB6 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE PEPTAIBOL CEPHAIBOL B REMARK 900 RELATED ID: 1OB4 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE PEPTAIBOL CEPHAIBOL A DBREF 1M24 A 0 18 NOR NOR01101 NOR01101 0 18 DBREF 1M24 B 0 18 NOR NOR01101 NOR01101 0 18 SEQRES 1 A 19 ACE AIB GLY AIB LEU AIB GLN AIB AIB AIB ALA ALA AIB SEQRES 2 A 19 PRO LEU AIB AIB GLN VOL SEQRES 1 B 19 ACE AIB GLY AIB LEU AIB GLN AIB AIB AIB ALA ALA AIB SEQRES 2 B 19 PRO LEU AIB AIB GLN VOL HET ACE A 0 6 HET AIB A 1 13 HET AIB A 3 13 HET AIB A 5 13 HET AIB A 7 13 HET AIB A 8 13 HET AIB A 9 13 HET AIB A 12 13 HET AIB A 15 13 HET AIB A 16 13 HET VOL A 18 19 HET ACE B 0 6 HET AIB B 1 13 HET AIB B 3 13 HET AIB B 5 13 HET AIB B 7 13 HET AIB B 8 13 HET AIB B 9 13 HET AIB B 12 13 HET AIB B 15 13 HET AIB B 16 13 HET VOL B 18 19 HET CCN A 19 6 HET CCN B 19 6 HETNAM ACE ACETYL GROUP HETNAM AIB ALPHA-AMINOISOBUTYRIC ACID HETNAM VOL L-VALINOL HETNAM CCN ACETONITRILE FORMUL 1 ACE 2(C2 H4 O) FORMUL 1 AIB 18(C4 H9 N O2) FORMUL 1 VOL 2(C5 H13 N O) FORMUL 3 CCN 2(C2 H3 N) FORMUL 5 HOH *5(H2 O) HELIX 1 1 AIB A 1 GLN A 17 1 17 HELIX 2 2 AIB B 1 GLN B 17 1 17 LINK C ACE A 0 N AIB A 1 1555 1555 1.33 LINK C AIB A 1 N GLY A 2 1555 1555 1.32 LINK C GLY A 2 N AIB A 3 1555 1555 1.32 LINK C AIB A 3 N LEU A 4 1555 1555 1.35 LINK C LEU A 4 N AIB A 5 1555 1555 1.34 LINK C AIB A 5 N GLN A 6 1555 1555 1.32 LINK C GLN A 6 N AIB A 7 1555 1555 1.33 LINK C AIB A 7 N AIB A 8 1555 1555 1.34 LINK C AIB A 8 N AIB A 9 1555 1555 1.33 LINK C AIB A 9 N ALA A 10 1555 1555 1.33 LINK C ALA A 11 N AIB A 12 1555 1555 1.33 LINK C AIB A 12 N PRO A 13 1555 1555 1.35 LINK C LEU A 14 N AIB A 15 1555 1555 1.34 LINK C AIB A 15 N AIB A 16 1555 1555 1.33 LINK C AIB A 16 N GLN A 17 1555 1555 1.33 LINK C GLN A 17 N VOL A 18 1555 1555 1.31 LINK C ACE B 0 N AIB B 1 1555 1555 1.27 LINK C AIB B 1 N GLY B 2 1555 1555 1.32 LINK C GLY B 2 N AIB B 3 1555 1555 1.32 LINK C AIB B 3 N LEU B 4 1555 1555 1.34 LINK C LEU B 4 N AIB B 5 1555 1555 1.31 LINK C AIB B 5 N GLN B 6 1555 1555 1.32 LINK C GLN B 6 N AIB B 7 1555 1555 1.33 LINK C AIB B 7 N AIB B 8 1555 1555 1.33 LINK C AIB B 8 N AIB B 9 1555 1555 1.31 LINK C AIB B 9 N ALA B 10 1555 1555 1.32 LINK C ALA B 11 N AIB B 12 1555 1555 1.33 LINK C AIB B 12 N PRO B 13 1555 1555 1.33 LINK C LEU B 14 N AIB B 15 1555 1555 1.34 LINK C AIB B 15 N AIB B 16 1555 1555 1.32 LINK C AIB B 16 N GLN B 17 1555 1555 1.33 LINK C GLN B 17 N VOL B 18 1555 1555 1.32 SITE 1 AC1 8 GLN A 6 ACE B 0 AIB B 1 LEU B 14 SITE 2 AC1 8 AIB B 15 AIB B 16 GLN B 17 VOL B 18 SITE 1 AC2 6 AIB A 1 GLY A 2 GLN A 17 HOH A2002 SITE 2 AC2 6 AIB B 5 GLN B 6 SITE 1 AC3 21 CCN A 19 HOH A2001 HOH A2002 ACE B 0 SITE 2 AC3 21 AIB B 1 GLY B 2 AIB B 3 LEU B 4 SITE 3 AC3 21 GLN B 6 AIB B 9 ALA B 10 ALA B 11 SITE 4 AC3 21 AIB B 12 PRO B 13 LEU B 14 AIB B 15 SITE 5 AC3 21 AIB B 16 GLN B 17 VOL B 18 CCN B 19 SITE 6 AC3 21 HOH B2003 SITE 1 AC4 22 ACE A 0 AIB A 1 GLY A 2 AIB A 3 SITE 2 AC4 22 LEU A 4 GLN A 6 AIB A 7 AIB A 8 SITE 3 AC4 22 AIB A 9 ALA A 10 ALA A 11 AIB A 12 SITE 4 AC4 22 PRO A 13 LEU A 14 AIB A 16 GLN A 17 SITE 5 AC4 22 VOL A 18 CCN A 19 CCN B 19 HOH B2001 SITE 6 AC4 22 HOH B2002 HOH B2003 CRYST1 9.490 16.850 31.680 95.77 98.07 99.45 P 1 2 ORIGX1 1.000000 0.000000 0.000000 0.00000 ORIGX2 0.000000 1.000000 0.000000 0.00000 ORIGX3 0.000000 0.000000 1.000000 0.00000 SCALE1 0.105374 0.017539 0.017299 0.00000 SCALE2 0.000000 0.060164 0.007675 0.00000 SCALE3 0.000000 0.000000 0.032140 0.00000 HETATM 1 C ACE A 0 3.466 5.475 29.446 1.00 4.46 C HETATM 2 O ACE A 0 3.268 5.775 28.243 1.00 4.96 O HETATM 3 CH3 ACE A 0 2.332 5.601 30.465 1.00 6.06 C HETATM 4 H1 ACE A 0 2.650 5.338 31.332 1.00 9.09 H HETATM 5 H2 ACE A 0 1.604 5.031 30.206 1.00 9.09 H HETATM 6 H3 ACE A 0 2.029 6.511 30.498 1.00 9.09 H HETATM 7 N AIB A 1 4.656 5.074 29.882 1.00 4.47 N HETATM 8 CA AIB A 1 5.822 5.023 29.012 1.00 4.39 C HETATM 9 C AIB A 1 5.510 4.135 27.812 1.00 3.57 C HETATM 10 O AIB A 1 5.843 4.454 26.664 1.00 4.42 O HETATM 11 CB1 AIB A 1 6.960 4.359 29.800 1.00 5.74 C HETATM 12 CB2 AIB A 1 6.267 6.403 28.580 1.00 6.42 C HETATM 13 H AIB A 1 4.739 4.836 30.704 1.00 5.36 H HETATM 14 HB11 AIB A 1 7.171 4.894 30.569 1.00 8.61 H HETATM 15 HB12 AIB A 1 7.736 4.284 29.239 1.00 8.61 H HETATM 16 HB13 AIB A 1 6.685 3.485 30.084 1.00 8.61 H HETATM 17 HB21 AIB A 1 5.559 6.829 28.090 1.00 9.63 H HETATM 18 HB22 AIB A 1 7.043 6.328 28.020 1.00 9.63 H HETATM 19 HB23 AIB A 1 6.480 6.928 29.355 1.00 9.63 H