HEADER IMMUNE SYSTEM 30-MAY-00 1F2X TITLE STRUCTURE OF THE SINGLE-DOMAIN CAMELID ANTIBODY CAB-CA05 COMPND MOL_ID: 1; COMPND 2 MOLECULE: ANTIBODY HEAVY CHAIN; COMPND 3 CHAIN: K, L; COMPND 4 SYNONYM: VHH; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: CAMELUS DROMEDARIUS; SOURCE 3 ORGANISM_COMMON: ARABIAN CAMEL; SOURCE 4 ORGANISM_TAXID: 9838; SOURCE 5 CELL: LYMPHOCYTES; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS IMMUNOGLOBULIN FOLD, IMMUNE SYSTEM EXPDTA X-RAY DIFFRACTION AUTHOR K.DECANNIERE,S.MUYLDERMANS,L.WYNS REVDAT 6 30-OCT-24 1F2X 1 REMARK REVDAT 5 09-AUG-23 1F2X 1 REMARK REVDAT 4 04-APR-18 1F2X 1 REMARK REVDAT 3 24-FEB-09 1F2X 1 VERSN REVDAT 2 30-AUG-00 1F2X 1 JRNL REVDAT 1 08-JUN-00 1F2X 0 JRNL AUTH K.DECANNIERE,S.MUYLDERMANS,L.WYNS JRNL TITL CANONICAL ANTIGEN-BINDING LOOP STRUCTURES IN JRNL TITL 2 IMMUNOGLOBULINS: MORE STRUCTURES, MORE CANONICAL CLASSES? JRNL REF J.MOL.BIOL. V. 300 83 2000 JRNL REFN ISSN 0022-2836 JRNL PMID 10864500 JRNL DOI 10.1006/JMBI.2000.3839 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH A.DESMEYTER,K.DECANNIERE,S.MUYLDERMANS,L.WYNS REMARK 1 TITL STRUCTURE OF THE CAMELID SINGLE-DOMAIN ANTIBODY FRAGMENT REMARK 1 TITL 2 CAB-CA05: FREE AND COMPLEXED STRUCTURE REMARK 1 REF TO BE PUBLISHED REMARK 1 REFN REMARK 2 REMARK 2 RESOLUTION. 2.10 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.10 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 31.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.7 REMARK 3 NUMBER OF REFLECTIONS : 12786 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : 5%, RANDOM REMARK 3 R VALUE (WORKING + TEST SET) : 0.190 REMARK 3 R VALUE (WORKING SET) : 0.190 REMARK 3 FREE R VALUE : 0.270 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 666 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1868 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 117 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 23.60 REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.270 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.230 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.150 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 5.700 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : 0.009 ; 0.020 REMARK 3 ANGLE DISTANCE (A) : 0.027 ; 0.040 REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : 0.026 ; 0.050 REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : NULL ; NULL REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : NULL ; NULL REMARK 3 MULTIPLE TORSION (A) : NULL ; NULL REMARK 3 H-BOND (X...Y) (A) : NULL ; NULL REMARK 3 H-BOND (X-H...Y) (A) : NULL ; NULL REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : 0.000 ; 15.000 REMARK 3 PLANAR (DEGREES) : 3.100 ; 7.000 REMARK 3 STAGGERED (DEGREES) : 16.700; 15.000 REMARK 3 TRANSVERSE (DEGREES) : 36.500; 20.000 REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.660 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.710 ; 3.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 1.730 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.800 ; 3.000 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: MAXIMUM LIKELIHOOD TARGET USING F'S REMARK 4 REMARK 4 1F2X COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 31-MAY-00. REMARK 100 THE DEPOSITION ID IS D_1000011178. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 05-JAN-99 REMARK 200 TEMPERATURE (KELVIN) : 293 REMARK 200 PH : 5.6 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU RU200 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALA, CCP4 (SCALA) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 13256 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.100 REMARK 200 RESOLUTION RANGE LOW (A) : 31.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 200 DATA REDUNDANCY : 5.800 REMARK 200 R MERGE (I) : 0.10300 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 4.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.10 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.21 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.8 REMARK 200 DATA REDUNDANCY IN SHELL : 5.30 REMARK 200 R MERGE FOR SHELL (I) : 0.22700 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.700 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: 1BZQ REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 37.21 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.96 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 25 % (W/V) PEG8000, 0.1 M NA CITRATE REMARK 280 PH 5.6, PROTEIN CONCENTRATION 1.7 MG/ML, VAPOR DIFFUSION, REMARK 280 HANGING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y+1/2,-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 SMTRY1 2 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 21.93000 REMARK 290 SMTRY3 2 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: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: K 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: L 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 ARG K 927 REMARK 465 GLY K 928 REMARK 465 ARG K 929 REMARK 465 HIS K 930 REMARK 465 HIS K 931 REMARK 465 HIS K 932 REMARK 465 HIS K 933 REMARK 465 HIS K 934 REMARK 465 HIS K 935 REMARK 465 GLN L 1001 REMARK 465 GLY L 1128 REMARK 465 ARG L 1129 REMARK 465 HIS L 1130 REMARK 465 HIS L 1131 REMARK 465 HIS L 1132 REMARK 465 HIS L 1133 REMARK 465 HIS L 1134 REMARK 465 HIS L 1135 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 GLN K 801 CG CD OE1 NE2 REMARK 470 GLU K 844 CD OE1 OE2 REMARK 470 LYS K 863 CE NZ REMARK 470 ASN K 872 CG OD1 ND2 REMARK 470 ARG K 916 NE CZ NH1 NH2 REMARK 470 GLU L1044 CG CD OE1 OE2 REMARK 470 GLN L1118 CG CD OE1 NE2 REMARK 470 ARG L1127 CG CD NE CZ NH1 NH2 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 NE2 GLN K 839 O LYS K 843 2.09 REMARK 500 OE1 GLN K 839 CA ARG K 845 2.19 REMARK 500 REMARK 500 REMARK: NULL 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 K 838 NE - CZ - NH1 ANGL. DEV. = 6.3 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 ALA K 890 174.61 176.57 REMARK 500 ALA L1090 179.43 166.69 REMARK 500 REMARK 500 REMARK: NULL REMARK 615 REMARK 615 ZERO OCCUPANCY ATOM REMARK 615 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 615 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 615 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 615 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 615 M RES C SSEQI REMARK 615 HOH K 5 REMARK 615 HOH K 34 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1MEL RELATED DB: PDB REMARK 900 1MEL CONTAINS A CAMEL SINGLE-DOMAIN VH ANTIBODY FRAGMENT IN COMPLEX REMARK 900 WITH LYSOZYME. REMARK 900 RELATED ID: 1BZQ RELATED DB: PDB REMARK 900 1BZQ CONTAINS A SINGLE-DOMAIN ANTIBODY FRAGMENT IN COMPLEX WITH REMARK 900 RNASE A. REMARK 900 RELATED ID: 1HCV RELATED DB: PDB REMARK 900 1HCV CONTAINS THE CRYSTAL STRUCTURE OF A LLAMA HEAVY CHAIN VARIABLE REMARK 900 DOMAIN. DBREF 1F2X K 801 935 PDB 1F2X 1F2X 801 935 DBREF 1F2X L 1001 1135 PDB 1F2X 1F2X 1001 1135 SEQRES 1 K 135 GLN VAL GLN LEU VAL GLU SER GLY GLY GLY SER VAL GLN SEQRES 2 K 135 ALA GLY GLY SER LEU ARG LEU SER CYS ALA ALA SER GLY SEQRES 3 K 135 TYR THR VAL SER THR TYR CYS MET GLY TRP PHE ARG GLN SEQRES 4 K 135 ALA PRO GLY LYS GLU ARG GLU GLY VAL ALA THR ILE LEU SEQRES 5 K 135 GLY GLY SER THR TYR TYR GLY ASP SER VAL LYS GLY ARG SEQRES 6 K 135 PHE THR ILE SER GLN ASP ASN ALA LYS ASN THR VAL TYR SEQRES 7 K 135 LEU GLN MET ASN SER LEU LYS PRO GLU ASP THR ALA ILE SEQRES 8 K 135 TYR TYR CYS ALA GLY SER THR VAL ALA SER THR GLY TRP SEQRES 9 K 135 CYS SER ARG LEU ARG PRO TYR ASP TYR HIS TYR ARG GLY SEQRES 10 K 135 GLN GLY THR GLN VAL THR VAL SER SER ARG GLY ARG HIS SEQRES 11 K 135 HIS HIS HIS HIS HIS SEQRES 1 L 135 GLN VAL GLN LEU VAL GLU SER GLY GLY GLY SER VAL GLN SEQRES 2 L 135 ALA GLY GLY SER LEU ARG LEU SER CYS ALA ALA SER GLY SEQRES 3 L 135 TYR THR VAL SER THR TYR CYS MET GLY TRP PHE ARG GLN SEQRES 4 L 135 ALA PRO GLY LYS GLU ARG GLU GLY VAL ALA THR ILE LEU SEQRES 5 L 135 GLY GLY SER THR TYR TYR GLY ASP SER VAL LYS GLY ARG SEQRES 6 L 135 PHE THR ILE SER GLN ASP ASN ALA LYS ASN THR VAL TYR SEQRES 7 L 135 LEU GLN MET ASN SER LEU LYS PRO GLU ASP THR ALA ILE SEQRES 8 L 135 TYR TYR CYS ALA GLY SER THR VAL ALA SER THR GLY TRP SEQRES 9 L 135 CYS SER ARG LEU ARG PRO TYR ASP TYR HIS TYR ARG GLY SEQRES 10 L 135 GLN GLY THR GLN VAL THR VAL SER SER ARG GLY ARG HIS SEQRES 11 L 135 HIS HIS HIS HIS HIS FORMUL 3 HOH *117(H2 O) HELIX 1 1 LYS K 885 THR K 889 5 5 HELIX 2 2 SER K 901 ARG K 907 1 7 HELIX 3 3 LEU K 908 LEU K 908 5 1 HELIX 4 4 ARG K 909 TYR K 913 5 5 HELIX 5 5 LYS L 1085 THR L 1089 5 5 HELIX 6 6 SER L 1101 SER L 1106 1 6 HELIX 7 7 ARG L 1107 LEU L 1108 5 2 HELIX 8 8 ARG L 1109 TYR L 1113 5 5 SHEET 1 A 4 GLN K 803 SER K 807 0 SHEET 2 A 4 LEU K 818 SER K 825 -1 N SER K 821 O SER K 807 SHEET 3 A 4 THR K 876 MET K 881 -1 O VAL K 877 N CYS K 822 SHEET 4 A 4 PHE K 866 ASP K 871 -1 O THR K 867 N GLN K 880 SHEET 1 B 4 GLN L1003 SER L1007 0 SHEET 2 B 4 LEU L1018 SER L1025 -1 N SER L1021 O SER L1007 SHEET 3 B 4 THR L1076 MET L1081 -1 N VAL L1077 O CYS L1022 SHEET 4 B 4 PHE L1066 ASP L1071 -1 O THR L1067 N GLN L1080 SHEET 1 C16 SER L1055 TYR L1058 0 SHEET 2 C16 GLU L1046 LEU L1052 -1 N THR L1050 O TYR L1057 SHEET 3 C16 MET L1034 GLN L1039 -1 O MET L1034 N ILE L1051 SHEET 4 C16 ALA L1090 GLY L1096 -1 O ILE L1091 N GLN L1039 SHEET 5 C16 TYR L1115 ARG L1116 -1 N TYR L1115 O GLY L1096 SHEET 6 C16 ALA L1090 GLY L1096 -1 O GLY L1096 N TYR L1115 SHEET 7 C16 THR L1120 SER L1125 -1 O THR L1120 N TYR L1092 SHEET 8 C16 GLY L1010 GLN L1013 1 O GLY L1010 N THR L1123 SHEET 9 C16 GLY K 810 GLN K 813 -1 O SER K 811 N SER L1011 SHEET 10 C16 THR K 920 SER K 925 1 O GLN K 921 N GLY K 810 SHEET 11 C16 ALA K 890 GLY K 896 -1 O ALA K 890 N VAL K 922 SHEET 12 C16 TYR K 915 ARG K 916 -1 N TYR K 915 O GLY K 896 SHEET 13 C16 ALA K 890 GLY K 896 -1 O GLY K 896 N TYR K 915 SHEET 14 C16 MET K 834 GLN K 839 -1 O GLY K 835 N ALA K 895 SHEET 15 C16 GLU K 846 LEU K 852 -1 N GLU K 846 O ARG K 838 SHEET 16 C16 SER K 855 TYR K 858 -1 N SER K 855 O LEU K 852 SSBOND 1 CYS K 822 CYS K 894 1555 1555 2.02 SSBOND 2 CYS K 833 CYS K 905 1555 1555 2.03 SSBOND 3 CYS L 1022 CYS L 1094 1555 1555 2.01 SSBOND 4 CYS L 1033 CYS L 1105 1555 1555 2.02 CRYST1 29.980 43.860 87.950 90.00 93.23 90.00 P 1 21 1 4 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 0.033360 0.000000 0.001880 0.00000 SCALE2 0.000000 0.022800 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011390 0.00000