PDB Short entry for 1F2L HEADER CYTOKINE 26-MAY-00 1F2L TITLE CRYSTAL STRUCTURE OF CHEMOKINE DOMAIN OF FRACTALKINE COMPND MOL_ID: 1; COMPND 2 MOLECULE: FRACTALKINE; COMPND 3 CHAIN: A, B, C, D; COMPND 4 FRAGMENT: CHEMOKINE DOMAIN; COMPND 5 SYNONYM: NEUROTACTIN, CX3C MEMBRANE-ANCHORED CHEMOKINE, COMPND 6 SMALL INDUCIBLE CYTOKINE D1; COMPND 7 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PAED4 KEYWDS CHEMOATTRACTANT, X-RAY STRUCTURE, FRACTALKINE, NEUROTACTIN, KEYWDS 2 CYTOKINE EXPDTA X-RAY DIFFRACTION AUTHOR D.M.HOOVER,L.S.MIZOUE,T.M.HANDEL,J.LUBKOWSKI REVDAT 2 24-FEB-09 1F2L 1 VERSN REVDAT 1 06-SEP-00 1F2L 0 JRNL AUTH D.M.HOOVER,L.S.MIZOUE,T.M.HANDEL,J.LUBKOWSKI JRNL TITL THE CRYSTAL STRUCTURE OF THE CHEMOKINE DOMAIN OF JRNL TITL 2 FRACTALKINE SHOWS A NOVEL QUATERNARY ARRANGEMENT. JRNL REF J.BIOL.CHEM. V. 275 23187 2000 JRNL REFN ISSN 0021-9258 JRNL PMID 10770945 JRNL DOI 10.1074/JBC.M002584200 REMARK 1 REMARK 2 REMARK 2 RESOLUTION. 2.00 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) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 15.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 86.9 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) : 0.237 REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.237 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.321 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 0.000 REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 2950 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 345321 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F). REMARK 3 R VALUE (WORKING + TEST SET, F>4SIG(F)) : 0.232 REMARK 3 R VALUE (WORKING SET, F>4SIG(F)) : NULL REMARK 3 FREE R VALUE (F>4SIG(F)) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : 0.000 REMARK 3 FREE R VALUE TEST SET COUNT (F>4SIG(F)) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (F>4SIG(F)) : 2431 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2105 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 264 REMARK 3 REMARK 3 MODEL REFINEMENT. REMARK 3 OCCUPANCY SUM OF NON-HYDROGEN ATOMS : 2369.00 REMARK 3 OCCUPANCY SUM OF HYDROGEN ATOMS : 0.00 REMARK 3 NUMBER OF DISCRETELY DISORDERED RESIDUES : NULL REMARK 3 NUMBER OF LEAST-SQUARES PARAMETERS : 949 REMARK 3 NUMBER OF RESTRAINTS : 862 REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : 0.006 REMARK 3 ANGLE DISTANCES (A) : 0.022 REMARK 3 SIMILAR DISTANCES (NO TARGET VALUES) (A) : 0.000 REMARK 3 DISTANCES FROM RESTRAINT PLANES (A) : 0.023 REMARK 3 ZERO CHIRAL VOLUMES (A**3) : 0.029 REMARK 3 NON-ZERO CHIRAL VOLUMES (A**3) : 0.036 REMARK 3 ANTI-BUMPING DISTANCE RESTRAINTS (A) : 0.010 REMARK 3 RIGID-BOND ADP COMPONENTS (A**2) : 0.000 REMARK 3 SIMILAR ADP COMPONENTS (A**2) : 0.100 REMARK 3 APPROXIMATELY ISOTROPIC ADPS (A**2) : 0.000 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED: NULL REMARK 3 REMARK 3 STEREOCHEMISTRY TARGET VALUES : ENGH AND HUBER REMARK 3 SPECIAL CASE: NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1F2L COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 05-JUN-00. REMARK 100 THE RCSB ID CODE IS RCSB011166. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 25-FEB-99; NULL; NULL; NULL REMARK 200 TEMPERATURE (KELVIN) : 100; NULL; NULL; NULL REMARK 200 PH : 5.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y; NULL; NULL; NULL REMARK 200 RADIATION SOURCE : NSLS; NULL; NULL; NULL REMARK 200 BEAMLINE : X9B; NULL; NULL; NULL REMARK 200 X-RAY GENERATOR MODEL : NULL; NULL; NULL; NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M; M; M; M REMARK 200 WAVELENGTH OR RANGE (A) : 0.98; NULL; NULL; NULL REMARK 200 MONOCHROMATOR : NULL; NULL; NULL; NULL REMARK 200 OPTICS : NULL; NULL; NULL; NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD; NULL; NULL; NULL REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4; NULL; NULL; REMARK 200 NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 30366 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 REMARK 200 RESOLUTION RANGE LOW (A) : 15.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.8 REMARK 200 DATA REDUNDANCY : 11.400 REMARK 200 R MERGE (I) : 0.03900 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 61.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.07 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.4 REMARK 200 DATA REDUNDANCY IN SHELL : 5.20 REMARK 200 R MERGE FOR SHELL (I) : 0.49100 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: MAD; MAD; MAD; MAD REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MULTIWAVELENGTH REMARK 200 ANOMALOUS DIFFRACTION USING SELENOMETHIONINE (SELENIUM) AS REMARK 200 ANOMALOUS SCATTERER REMARK 200 SOFTWARE USED: SHARP REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 60.99 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.00 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: SODIUM FORMATE, DISODIUM CITRATE, REMARK 280 PH 5.0, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298.0K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 61 2 2 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 7555 Y,X,-Z+1/3 REMARK 290 8555 X-Y,-Y,-Z REMARK 290 9555 -X,-X+Y,-Z+2/3 REMARK 290 10555 -Y,-X,-Z+5/6 REMARK 290 11555 -X+Y,Y,-Z+1/2 REMARK 290 12555 X,X-Y,-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 41.33133 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 82.66267 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 61.99700 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 103.32833 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 20.66567 REMARK 290 SMTRY1 7 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 7 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 41.33133 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 9 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 9 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 9 0.000000 0.000000 -1.000000 82.66267 REMARK 290 SMTRY1 10 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 10 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 10 0.000000 0.000000 -1.000000 103.32833 REMARK 290 SMTRY1 11 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 11 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 11 0.000000 0.000000 -1.000000 61.99700 REMARK 290 SMTRY1 12 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 12 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 12 0.000000 0.000000 -1.000000 20.66567 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1 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 BIOLOGICAL ASSEMBLY IS A DIMER CONSTRUCTED FROM REMARK 300 CHAINS A AND D, AND FROM CHAINS B AND C 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: TETRAMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D 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 GLN A 1 REMARK 465 HIS A 2 REMARK 465 HIS A 3 REMARK 465 GLY A 4 REMARK 465 ALA A 69 REMARK 465 ALA A 70 REMARK 465 ALA A 71 REMARK 465 LEU A 72 REMARK 465 THR A 73 REMARK 465 ARG A 74 REMARK 465 ASP A 75 REMARK 465 GLY A 76 REMARK 465 GLN B 1 REMARK 465 HIS B 2 REMARK 465 HIS B 3 REMARK 465 GLY B 4 REMARK 465 ALA B 69 REMARK 465 ALA B 70 REMARK 465 ALA B 71 REMARK 465 LEU B 72 REMARK 465 THR B 73 REMARK 465 ARG B 74 REMARK 465 ASP B 75 REMARK 465 GLY B 76 REMARK 465 GLN C 1 REMARK 465 HIS C 2 REMARK 465 HIS C 3 REMARK 465 GLY C 4 REMARK 465 ALA C 69 REMARK 465 ALA C 70 REMARK 465 ALA C 71 REMARK 465 LEU C 72 REMARK 465 THR C 73 REMARK 465 ARG C 74 REMARK 465 ASP C 75 REMARK 465 GLY C 76 REMARK 465 GLN D 1 REMARK 465 HIS D 2 REMARK 465 HIS D 3 REMARK 465 GLY D 4 REMARK 465 ASP D 75 REMARK 465 GLY D 76 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 D 37 NE - CZ - NH1 ANGL. DEV. = 3.7 DEGREES REMARK 500 ARG D 37 NE - CZ - NH2 ANGL. DEV. = -3.6 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 A 9 -99.06 -98.64 REMARK 500 SER A 13 -70.45 -97.88 REMARK 500 LYS A 18 103.87 -41.06 REMARK 500 ASN B 9 -75.03 -121.34 REMARK 500 SER B 13 -81.09 -106.46 REMARK 500 THR B 16 -161.88 -66.82 REMARK 500 ASN C 9 -111.35 -106.35 REMARK 500 SER C 13 -17.18 -148.38 REMARK 500 THR C 16 -178.35 -58.83 REMARK 500 ASN D 9 -73.63 -105.67 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 D 86 DISTANCE = 5.78 ANGSTROMS REMARK 525 HOH C 93 DISTANCE = 5.15 ANGSTROMS REMARK 525 HOH B 109 DISTANCE = 5.53 ANGSTROMS REMARK 525 HOH A 114 DISTANCE = 6.56 ANGSTROMS REMARK 525 HOH B 114 DISTANCE = 5.23 ANGSTROMS REMARK 525 HOH A 120 DISTANCE = 5.44 ANGSTROMS REMARK 525 HOH A 122 DISTANCE = 5.46 ANGSTROMS REMARK 525 HOH A 127 DISTANCE = 6.81 ANGSTROMS REMARK 525 HOH D 136 DISTANCE = 5.05 ANGSTROMS REMARK 525 HOH D 150 DISTANCE = 5.67 ANGSTROMS REMARK 525 HOH D 157 DISTANCE = 5.38 ANGSTROMS REMARK 525 HOH D 161 DISTANCE = 7.07 ANGSTROMS REMARK 525 HOH D 162 DISTANCE = 9.49 ANGSTROMS DBREF 1F2L A 1 76 UNP P78423 X3CL1_HUMAN 25 100 DBREF 1F2L B 1 76 UNP P78423 X3CL1_HUMAN 25 100 DBREF 1F2L C 1 76 UNP P78423 X3CL1_HUMAN 25 100 DBREF 1F2L D 1 76 UNP P78423 X3CL1_HUMAN 25 100 SEQADV 1F2L ASP A 75 UNP P78423 ASN 99 CONFLICT SEQADV 1F2L ASP B 75 UNP P78423 ASN 99 CONFLICT SEQADV 1F2L ASP C 75 UNP P78423 ASN 99 CONFLICT SEQADV 1F2L ASP D 75 UNP P78423 ASN 99 CONFLICT SEQRES 1 A 76 GLN HIS HIS GLY VAL THR LYS CYS ASN ILE THR CYS SER SEQRES 2 A 76 LYS MET THR SER LYS ILE PRO VAL ALA LEU LEU ILE HIS SEQRES 3 A 76 TYR GLN GLN ASN GLN ALA SER CYS GLY LYS ARG ALA ILE SEQRES 4 A 76 ILE LEU GLU THR ARG GLN HIS ARG LEU PHE CYS ALA ASP SEQRES 5 A 76 PRO LYS GLU GLN TRP VAL LYS ASP ALA MET GLN HIS LEU SEQRES 6 A 76 ASP ARG GLN ALA ALA ALA LEU THR ARG ASP GLY SEQRES 1 B 76 GLN HIS HIS GLY VAL THR LYS CYS ASN ILE THR CYS SER SEQRES 2 B 76 LYS MET THR SER LYS ILE PRO VAL ALA LEU LEU ILE HIS SEQRES 3 B 76 TYR GLN GLN ASN GLN ALA SER CYS GLY LYS ARG ALA ILE SEQRES 4 B 76 ILE LEU GLU THR ARG GLN HIS ARG LEU PHE CYS ALA ASP SEQRES 5 B 76 PRO LYS GLU GLN TRP VAL LYS ASP ALA MET GLN HIS LEU SEQRES 6 B 76 ASP ARG GLN ALA ALA ALA LEU THR ARG ASP GLY SEQRES 1 C 76 GLN HIS HIS GLY VAL THR LYS CYS ASN ILE THR CYS SER SEQRES 2 C 76 LYS MET THR SER LYS ILE PRO VAL ALA LEU LEU ILE HIS SEQRES 3 C 76 TYR GLN GLN ASN GLN ALA SER CYS GLY LYS ARG ALA ILE SEQRES 4 C 76 ILE LEU GLU THR ARG GLN HIS ARG LEU PHE CYS ALA ASP SEQRES 5 C 76 PRO LYS GLU GLN TRP VAL LYS ASP ALA MET GLN HIS LEU SEQRES 6 C 76 ASP ARG GLN ALA ALA ALA LEU THR ARG ASP GLY SEQRES 1 D 76 GLN HIS HIS GLY VAL THR LYS CYS ASN ILE THR CYS SER SEQRES 2 D 76 LYS MET THR SER LYS ILE PRO VAL ALA LEU LEU ILE HIS SEQRES 3 D 76 TYR GLN GLN ASN GLN ALA SER CYS GLY LYS ARG ALA ILE SEQRES 4 D 76 ILE LEU GLU THR ARG GLN HIS ARG LEU PHE CYS ALA ASP SEQRES 5 D 76 PRO LYS GLU GLN TRP VAL LYS ASP ALA MET GLN HIS LEU SEQRES 6 D 76 ASP ARG GLN ALA ALA ALA LEU THR ARG ASP GLY FORMUL 5 HOH *264(H2 O) HELIX 1 1 PRO A 20 ALA A 22 5 3 HELIX 2 2 GLN A 31 GLY A 35 5 5 HELIX 3 3 GLU A 55 ARG A 67 1 13 HELIX 4 4 PRO B 20 ALA B 22 5 3 HELIX 5 5 GLN B 31 GLY B 35 5 5 HELIX 6 6 GLU B 55 ARG B 67 1 13 HELIX 7 7 PRO C 20 ALA C 22 5 3 HELIX 8 8 GLN C 31 GLY C 35 5 5 HELIX 9 9 GLU C 55 ARG C 67 1 13 HELIX 10 10 PRO D 20 ALA D 22 5 3 HELIX 11 11 GLN D 31 GLY D 35 5 5 HELIX 12 12 GLU D 55 THR D 73 1 19 SHEET 1 A 2 ILE A 10 CYS A 12 0 SHEET 2 A 2 ILE D 10 CYS D 12 -1 N THR D 11 O THR A 11 SHEET 1 B 3 LEU A 24 GLN A 29 0 SHEET 2 B 3 ILE A 39 THR A 43 -1 N ILE A 40 O GLN A 28 SHEET 3 B 3 LEU A 48 ALA A 51 -1 N PHE A 49 O LEU A 41 SHEET 1 C 2 THR B 11 CYS B 12 0 SHEET 2 C 2 ILE C 10 THR C 11 -1 O THR C 11 N THR B 11 SHEET 1 D 3 LEU B 24 GLN B 29 0 SHEET 2 D 3 ILE B 39 THR B 43 -1 N ILE B 40 O GLN B 28 SHEET 3 D 3 LEU B 48 ALA B 51 -1 O PHE B 49 N LEU B 41 SHEET 1 E 3 LEU C 24 GLN C 29 0 SHEET 2 E 3 ILE C 39 THR C 43 -1 N ILE C 40 O GLN C 28 SHEET 3 E 3 LEU C 48 ALA C 51 -1 O PHE C 49 N LEU C 41 SHEET 1 F 3 LEU D 24 GLN D 29 0 SHEET 2 F 3 ILE D 39 THR D 43 -1 N ILE D 40 O GLN D 28 SHEET 3 F 3 LEU D 48 ALA D 51 -1 O PHE D 49 N LEU D 41 SSBOND 1 CYS A 8 CYS A 34 1555 1555 2.06 SSBOND 2 CYS A 12 CYS A 50 1555 1555 2.03 SSBOND 3 CYS B 8 CYS B 34 1555 1555 2.02 SSBOND 4 CYS B 12 CYS B 50 1555 1555 2.04 SSBOND 5 CYS C 8 CYS C 34 1555 1555 2.06 SSBOND 6 CYS C 12 CYS C 50 1555 1555 2.05 SSBOND 7 CYS D 8 CYS D 34 1555 1555 2.04 SSBOND 8 CYS D 12 CYS D 50 1555 1555 2.04 CRYST1 110.473 110.473 123.994 90.00 90.00 120.00 P 61 2 2 48 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 0.009052 0.005226 0.000000 0.00000 SCALE2 0.000000 0.010452 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008065 0.00000