PDB Short entry for 1M8A HEADER CYTOKINE 24-JUL-02 1M8A TITLE HUMAN MIP-3ALPHA/CCL20 COMPND MOL_ID: 1; COMPND 2 MOLECULE: SMALL INDUCIBLE CYTOKINE A20; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: CC-CHEMOKINE LARC, MIP-3-ALPHA, CCL20, MACROPHAGE COMPND 5 INFLAMMATORY PROTEIN 3 ALPHA, LIVER AND ACTIVATION- COMPND 6 REGULATED CHEMOKINE, BETA CHEMOKINE EXODUS-1; COMPND 7 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 OTHER_DETAILS: THE PROTEIN WAS SYNTHESIZED USING MACHINE- SOURCE 4 ASSISTED STEPWISE SOLID PHASE PEPTIDE SYNTHESIS ON AN SOURCE 5 APPLIED BIOSYSTEMS 433A SYNTHESIZER USING A CUSTOM- SOURCE 6 DESIGNED PROGRAM TAILORED FROM THE PUBLISHED IN SITU SOURCE 7 NEUTRALIZATION/HBTU ACTIVATION PROTOCOL FOR BOC CHEMISTRY SOURCE 8 (SCHNOLZER, M. ET AL. (1992) J.PEPT.PROTEIN RES. 40, 180- SOURCE 9 193). IT IS NATURALLY FOUND IN HOMO SAPIENS (HUMAN). KEYWDS CC-CHEMOKINE, IL-8 TYPE DIMER, CYTOKINE EXPDTA X-RAY DIFFRACTION AUTHOR D.M.HOOVER,C.BOULEGUE,D.YANG,J.J.OPPENHEIM,K.TUCKER,W.LU, AUTHOR 2 J.LUBKOWSKI REVDAT 3 24-FEB-09 1M8A 1 VERSN REVDAT 2 11-DEC-02 1M8A 1 JRNL REVDAT 1 31-JUL-02 1M8A 0 JRNL AUTH D.M.HOOVER,C.BOULEGUE,D.YANG,J.J.OPPENHEIM, JRNL AUTH 2 K.TUCKER,W.LU,J.LUBKOWSKI JRNL TITL THE STRUCTURE OF HUMAN MACROPHAGE INFLAMMATORY JRNL TITL 2 PROTEIN-3ALPHA /CCL20. LINKING ANTIMICROBIAL AND JRNL TITL 3 CC CHEMOKINE RECEPTOR-6-BINDING ACTIVITIES WITH JRNL TITL 4 HUMAN BETA-DEFENSINS JRNL REF J.BIOL.CHEM. V. 277 37647 2002 JRNL REFN ISSN 0021-9258 JRNL PMID 12149255 JRNL DOI 10.1074/JBC.M203907200 REMARK 1 REMARK 2 REMARK 2 RESOLUTION. 1.70 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) : 1.70 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 15.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 97.5 REMARK 3 CROSS-VALIDATION METHOD : FREE R 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) : 0.190 REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.193 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.238 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 4.300 REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 834 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 19365 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F). REMARK 3 R VALUE (WORKING + TEST SET, F>4SIG(F)) : 0.176 REMARK 3 R VALUE (WORKING SET, F>4SIG(F)) : 0.179 REMARK 3 FREE R VALUE (F>4SIG(F)) : 0.217 REMARK 3 FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : 4.100 REMARK 3 FREE R VALUE TEST SET COUNT (F>4SIG(F)) : 652 REMARK 3 TOTAL NUMBER OF REFLECTIONS (F>4SIG(F)) : 15730 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1025 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 209 REMARK 3 REMARK 3 MODEL REFINEMENT. REMARK 3 OCCUPANCY SUM OF NON-HYDROGEN ATOMS : 1175.00 REMARK 3 OCCUPANCY SUM OF HYDROGEN ATOMS : 0.00 REMARK 3 NUMBER OF DISCRETELY DISORDERED RESIDUES : 5 REMARK 3 NUMBER OF LEAST-SQUARES PARAMETERS : 4979 REMARK 3 NUMBER OF RESTRAINTS : 4435 REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : 0.007 REMARK 3 ANGLE DISTANCES (A) : 0.024 REMARK 3 SIMILAR DISTANCES (NO TARGET VALUES) (A) : 0.000 REMARK 3 DISTANCES FROM RESTRAINT PLANES (A) : 0.028 REMARK 3 ZERO CHIRAL VOLUMES (A**3) : 0.043 REMARK 3 NON-ZERO CHIRAL VOLUMES (A**3) : 0.052 REMARK 3 ANTI-BUMPING DISTANCE RESTRAINTS (A) : 0.010 REMARK 3 RIGID-BOND ADP COMPONENTS (A**2) : 0.004 REMARK 3 SIMILAR ADP COMPONENTS (A**2) : 0.087 REMARK 3 APPROXIMATELY ISOTROPIC ADPS (A**2) : 0.000 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED: MOEWS & KRETSINGER, J.MOL.BIOL.91(1973)201-228 REMARK 3 REMARK 3 STEREOCHEMISTRY TARGET VALUES : ENGH & HUBER REMARK 3 SPECIAL CASE: NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: ANISOTROPIC SCALING APPLIED BY THE REMARK 3 METHOD OF PARKIN, MOEZZI & HOPE, J.APPL.CRYST.28(1995)53-56 REMARK 4 REMARK 4 1M8A COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 25-JUL-02. REMARK 100 THE RCSB ID CODE IS RCSB016720. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 25-JAN-02 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X9B REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.98 REMARK 200 MONOCHROMATOR : SI CRYSTAL REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 21953 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.700 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.5 REMARK 200 DATA REDUNDANCY : 4.500 REMARK 200 R MERGE (I) : 0.06700 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 23.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.70 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.76 REMARK 200 COMPLETENESS FOR SHELL (%) : 96.8 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.62300 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 1.900 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: PDB ENTRY 1EQT REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 54.30 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.69 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: ISOPROPANOL, SODIUM CITRATE, N-(2- REMARK 280 HYDROXYETHYL)PIPERAZINE-N'-(2-ETHANESULFONIC ACID), PH 7.5, REMARK 280 VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 285K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 61 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 -X,-Y,Z+1/2 REMARK 290 5555 Y,-X+Y,Z+5/6 REMARK 290 6555 X-Y,X,Z+1/6 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 SMTRY1 2 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 23.92267 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 47.84533 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 35.88400 REMARK 290 SMTRY1 5 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 5 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 59.80667 REMARK 290 SMTRY1 6 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 11.96133 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 300 REMARK: THE MOLECULE IS LIKELY A MONOMER 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: MONOMERIC 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 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 465 REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 REMARK 465 M RES C SSSEQI REMARK 465 ALA A 1 REMARK 465 SER A 2 REMARK 465 ASN A 3 REMARK 465 PHE A 4 REMARK 465 LYS A 66 REMARK 465 VAL A 67 REMARK 465 LYS A 68 REMARK 465 ASN A 69 REMARK 465 MET A 70 REMARK 465 ALA B 1 REMARK 465 SER B 2 REMARK 465 ASN B 3 REMARK 465 PHE B 4 REMARK 465 LYS B 66 REMARK 465 VAL B 67 REMARK 465 LYS B 68 REMARK 465 ASN B 69 REMARK 465 MET B 70 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 ARG A 25 NE - CZ - NH1 ANGL. DEV. = -4.3 DEGREES REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: TORSION ANGLES REMARK 500 REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS: REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2) REMARK 500 REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI- REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400 REMARK 500 REMARK 500 M RES CSSEQI PSI PHI REMARK 500 ASN B 29 -156.42 -156.44 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH B 165 DISTANCE = 5.16 ANGSTROMS REMARK 525 HOH A 272 DISTANCE = 7.19 ANGSTROMS REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IPA B 101 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IPA A 102 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IPA B 103 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IPA A 104 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IPA B 105 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IPA A 106 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IPA A 107 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IPA A 108 REMARK 800 SITE_IDENTIFIER: AC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IPA A 109 REMARK 800 SITE_IDENTIFIER: BC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IPA A 110 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1HA6 RELATED DB: PDB REMARK 900 1HA6 IS MURINE MIP-3ALPHA/CCL20 DBREF 1M8A A 1 70 UNP P78556 CCL20_HUMAN 27 96 DBREF 1M8A B 1 70 UNP P78556 CCL20_HUMAN 27 96 SEQRES 1 A 70 ALA SER ASN PHE ASP CYS CYS LEU GLY TYR THR ASP ARG SEQRES 2 A 70 ILE LEU HIS PRO LYS PHE ILE VAL GLY PHE THR ARG GLN SEQRES 3 A 70 LEU ALA ASN GLU GLY CYS ASP ILE ASN ALA ILE ILE PHE SEQRES 4 A 70 HIS THR LYS LYS LYS LEU SER VAL CYS ALA ASN PRO LYS SEQRES 5 A 70 GLN THR TRP VAL LYS TYR ILE VAL ARG LEU LEU SER LYS SEQRES 6 A 70 LYS VAL LYS ASN MET SEQRES 1 B 70 ALA SER ASN PHE ASP CYS CYS LEU GLY TYR THR ASP ARG SEQRES 2 B 70 ILE LEU HIS PRO LYS PHE ILE VAL GLY PHE THR ARG GLN SEQRES 3 B 70 LEU ALA ASN GLU GLY CYS ASP ILE ASN ALA ILE ILE PHE SEQRES 4 B 70 HIS THR LYS LYS LYS LEU SER VAL CYS ALA ASN PRO LYS SEQRES 5 B 70 GLN THR TRP VAL LYS TYR ILE VAL ARG LEU LEU SER LYS SEQRES 6 B 70 LYS VAL LYS ASN MET HET IPA B 101 4 HET IPA A 102 4 HET IPA B 103 4 HET IPA A 104 4 HET IPA B 105 4 HET IPA A 106 4 HET IPA A 107 4 HET IPA A 108 4 HET IPA A 109 4 HET IPA A 110 4 HETNAM IPA ISOPROPYL ALCOHOL HETSYN IPA 2-PROPANOL FORMUL 3 IPA 10(C3 H8 O) FORMUL 13 HOH *169(H2 O) HELIX 1 1 HIS A 16 LYS A 18 5 3 HELIX 2 2 GLN A 53 SER A 64 1 12 HELIX 3 3 HIS B 16 LYS B 18 5 3 HELIX 4 4 GLN B 53 SER B 64 1 12 SHEET 1 A 6 SER A 46 ALA A 49 0 SHEET 2 A 6 ALA A 36 THR A 41 -1 N ILE A 37 O ALA A 49 SHEET 3 A 6 ILE A 20 GLN A 26 -1 N THR A 24 O ILE A 38 SHEET 4 A 6 ILE B 20 GLN B 26 -1 O PHE B 23 N PHE A 23 SHEET 5 A 6 ALA B 36 THR B 41 -1 O ALA B 36 N GLN B 26 SHEET 6 A 6 SER B 46 ALA B 49 -1 O ALA B 49 N ILE B 37 SSBOND 1 CYS A 6 CYS A 32 1555 1555 2.05 SSBOND 2 CYS A 7 CYS A 48 1555 1555 2.05 SSBOND 3 CYS B 6 CYS B 32 1555 1555 2.03 SSBOND 4 CYS B 7 CYS B 48 1555 1555 2.03 SITE 1 AC1 3 LEU B 8 PRO B 17 HOH B 128 SITE 1 AC2 2 HIS A 40 HOH A 245 SITE 1 AC3 6 ASN A 29 ASP B 5 CYS B 7 ILE B 38 SITE 2 AC3 6 CYS B 48 HOH B 246 SITE 1 AC4 3 ASP A 5 SER A 46 CYS A 48 SITE 1 AC5 3 ARG B 25 PRO B 51 HOH B 146 SITE 1 AC6 4 ILE A 14 LEU A 15 HIS A 16 ILE A 20 SITE 1 AC7 5 ARG A 25 ILE A 37 PRO A 51 HOH A 182 SITE 2 AC7 5 LYS B 65 SITE 1 AC8 3 PRO A 17 ILE A 20 LEU A 63 SITE 1 AC9 2 TRP A 55 ARG B 61 SITE 1 BC1 5 GLY A 9 THR A 11 CYS A 48 HOH A 143 SITE 2 BC1 5 HOH A 153 CRYST1 70.822 70.822 71.768 90.00 90.00 120.00 P 61 12 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 0.014120 0.008152 0.000000 0.00000 SCALE2 0.000000 0.016304 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013934 0.00000