HEADER HORMONE 29-MAY-19 6P4Z TITLE STRUCTURE OF GADOLINIUM-CAGED COBALT (III) INSULIN HEXAMER COMPND MOL_ID: 1; COMPND 2 MOLECULE: INSULIN CHAIN A; COMPND 3 CHAIN: A, C; COMPND 4 ENGINEERED: YES; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: INSULIN CHAIN B; COMPND 7 CHAIN: B, D; COMPND 8 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: INS; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 MOL_ID: 2; SOURCE 9 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 10 ORGANISM_COMMON: HUMAN; SOURCE 11 ORGANISM_TAXID: 9606; SOURCE 12 GENE: INS; SOURCE 13 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 14 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS CONTRAST AGENT, ENVIRONMENTALLY SENSITIVE, GADOLINIUM, INSULIN KEYWDS 2 HEXAMER, PROTEINS, HORMONE EXPDTA X-RAY DIFFRACTION AUTHOR T.H.TRAN,S.K.TAYLOR,M.N.STOJANOVIC,L.TONG REVDAT 3 18-DEC-19 6P4Z 1 REMARK REVDAT 2 19-JUN-19 6P4Z 1 TITLE AUTHOR REVDAT 1 12-JUN-19 6P4Z 0 JRNL AUTH S.K.TAYLOR,T.H.TRAN,M.Z.LIU,P.E.HARRIS,Y.SUN, JRNL AUTH 2 S.R.JAMBAWALIKAR,L.TONG,M.N.STOJANOVIC JRNL TITL INSULIN HEXAMER-CAGED GADOLINIUM ION AS MRI CONTRAST-O-PHORE JRNL REF CHEMBIOCHEM V. 24 10646 2018 JRNL REFN ISSN 1439-4227 REMARK 2 REMARK 2 RESOLUTION. 1.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (1.13_2998) REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 23.50 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.970 REMARK 3 COMPLETENESS FOR RANGE (%) : 93.0 REMARK 3 NUMBER OF REFLECTIONS : 7216 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.184 REMARK 3 R VALUE (WORKING SET) : 0.181 REMARK 3 FREE R VALUE : 0.239 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.170 REMARK 3 FREE R VALUE TEST SET COUNT : 373 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 23.5002 - 2.5909 0.91 2215 120 0.1672 0.2203 REMARK 3 2 2.5909 - 2.0568 0.94 2336 118 0.1937 0.2404 REMARK 3 3 2.0568 - 1.7969 0.95 2292 135 0.2127 0.3013 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : NULL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.230 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 27.250 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL 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 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.008 774 REMARK 3 ANGLE : 0.794 1054 REMARK 3 CHIRALITY : 0.043 118 REMARK 3 PLANARITY : 0.006 133 REMARK 3 DIHEDRAL : 3.112 438 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 1 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: ALL REMARK 3 ORIGIN FOR THE GROUP (A): 12.1086 2.4825 10.9343 REMARK 3 T TENSOR REMARK 3 T11: 0.1391 T22: 0.1916 REMARK 3 T33: 0.1687 T12: -0.0130 REMARK 3 T13: -0.0106 T23: 0.0115 REMARK 3 L TENSOR REMARK 3 L11: 1.5474 L22: 3.3218 REMARK 3 L33: 1.5919 L12: -0.2834 REMARK 3 L13: -0.0293 L23: 1.0473 REMARK 3 S TENSOR REMARK 3 S11: -0.0416 S12: -0.0286 S13: 0.0800 REMARK 3 S21: 0.1013 S22: 0.0443 S23: -0.0523 REMARK 3 S31: -0.0141 S32: 0.0936 S33: 0.0037 REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 6P4Z COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 30-MAY-19. REMARK 100 THE DEPOSITION ID IS D_1000241852. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 11-APR-15 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 24-ID-C REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.979 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XDS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 7216 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.800 REMARK 200 RESOLUTION RANGE LOW (A) : 23.500 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 92.9 REMARK 200 DATA REDUNDANCY : 2.300 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 13.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.80 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.90 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 33.39 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.85 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 18% (W/V) PEG 12,000 AND 0.1 M HEPES REMARK 280 PH 7.0, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: H 3 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z REMARK 290 3555 -X+Y,-X,Z REMARK 290 4555 X+2/3,Y+1/3,Z+1/3 REMARK 290 5555 -Y+2/3,X-Y+1/3,Z+1/3 REMARK 290 6555 -X+Y+2/3,-X+1/3,Z+1/3 REMARK 290 7555 X+1/3,Y+2/3,Z+2/3 REMARK 290 8555 -Y+1/3,X-Y+2/3,Z+2/3 REMARK 290 9555 -X+Y+1/3,-X+2/3,Z+2/3 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 0.00000 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 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 40.70000 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 23.49816 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 11.23333 REMARK 290 SMTRY1 5 -0.500000 -0.866025 0.000000 40.70000 REMARK 290 SMTRY2 5 0.866025 -0.500000 0.000000 23.49816 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 11.23333 REMARK 290 SMTRY1 6 -0.500000 0.866025 0.000000 40.70000 REMARK 290 SMTRY2 6 -0.866025 -0.500000 0.000000 23.49816 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 11.23333 REMARK 290 SMTRY1 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 46.99631 REMARK 290 SMTRY3 7 0.000000 0.000000 1.000000 22.46667 REMARK 290 SMTRY1 8 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 8 0.866025 -0.500000 0.000000 46.99631 REMARK 290 SMTRY3 8 0.000000 0.000000 1.000000 22.46667 REMARK 290 SMTRY1 9 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 9 -0.866025 -0.500000 0.000000 46.99631 REMARK 290 SMTRY3 9 0.000000 0.000000 1.000000 22.46667 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 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: DODECAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DODECAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 19390 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 11020 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -257.0 KCAL/MOL 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 350 BIOMT1 2 -0.500000 -0.866025 0.000000 0.00000 REMARK 350 BIOMT2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 350 BIOMT2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 350 BIOMT3 3 0.000000 0.000000 1.000000 0.00000 REMARK 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 CO CO B 101 LIES ON A SPECIAL POSITION. REMARK 375 CL CL D 101 LIES ON A SPECIAL POSITION. REMARK 375 CO CO D 102 LIES ON A SPECIAL POSITION. REMARK 375 HOH D 215 LIES ON A SPECIAL POSITION. 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 PHE D 1 REMARK 465 VAL D 2 REMARK 465 ASN D 3 REMARK 465 GLN D 4 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 GLU B 21 CG CD OE1 OE2 REMARK 470 LYS B 29 CG CD CE NZ REMARK 470 THR B 30 OG1 CG2 REMARK 470 GLN C 15 CD OE1 NE2 REMARK 470 GLU D 21 CG CD OE1 OE2 REMARK 470 LYS D 29 CG CD CE NZ 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 SER A 9 -125.03 -126.28 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 215 DISTANCE = 6.90 ANGSTROMS REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CO B 101 CO REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS B 10 NE2 REMARK 620 2 HOH B 216 O 87.3 REMARK 620 3 HIS B 10 NE2 0.0 87.3 REMARK 620 4 HOH B 216 O 81.5 83.7 81.5 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 GD B 102 GD REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU B 13 OE1 REMARK 620 2 GLU B 13 OE2 44.0 REMARK 620 3 HOH B 205 O 71.3 78.7 REMARK 620 4 HOH D 204 O 115.1 73.2 83.9 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CO D 102 CO REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS D 10 NE2 REMARK 620 2 HOH D 211 O 93.6 REMARK 620 3 HIS D 10 NE2 0.0 93.6 REMARK 620 4 HOH D 211 O 159.2 67.8 159.2 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 GD B 102 GD REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU D 13 OE2 REMARK 620 2 HOH B 203 O 106.5 REMARK 620 N 1 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CO B 101 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue GD B 102 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CL D 101 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CO D 102 DBREF 6P4Z A 1 21 UNP P01308 INS_HUMAN 90 110 DBREF 6P4Z B 1 30 UNP P01308 INS_HUMAN 25 54 DBREF 6P4Z C 1 21 UNP P01308 INS_HUMAN 90 110 DBREF 6P4Z D 1 30 UNP P01308 INS_HUMAN 25 54 SEQRES 1 A 21 GLY ILE VAL GLU GLN CYS CYS THR SER ILE CYS SER LEU SEQRES 2 A 21 TYR GLN LEU GLU ASN TYR CYS ASN SEQRES 1 B 30 PHE VAL ASN GLN HIS LEU CYS GLY SER HIS LEU VAL GLU SEQRES 2 B 30 ALA LEU TYR LEU VAL CYS GLY GLU ARG GLY PHE PHE TYR SEQRES 3 B 30 THR PRO LYS THR SEQRES 1 C 21 GLY ILE VAL GLU GLN CYS CYS THR SER ILE CYS SER LEU SEQRES 2 C 21 TYR GLN LEU GLU ASN TYR CYS ASN SEQRES 1 D 30 PHE VAL ASN GLN HIS LEU CYS GLY SER HIS LEU VAL GLU SEQRES 2 D 30 ALA LEU TYR LEU VAL CYS GLY GLU ARG GLY PHE PHE TYR SEQRES 3 D 30 THR PRO LYS THR HET CO B 101 1 HET GD B 102 2 HET CL D 101 1 HET CO D 102 1 HETNAM CO COBALT (II) ION HETNAM GD GADOLINIUM ATOM HETNAM CL CHLORIDE ION FORMUL 5 CO 2(CO 2+) FORMUL 6 GD GD FORMUL 7 CL CL 1- FORMUL 9 HOH *48(H2 O) HELIX 1 AA1 GLY A 1 SER A 9 1 9 HELIX 2 AA2 SER A 12 GLU A 17 1 6 HELIX 3 AA3 ASN A 18 CYS A 20 5 3 HELIX 4 AA4 GLY B 8 GLY B 20 1 13 HELIX 5 AA5 GLU B 21 GLY B 23 5 3 HELIX 6 AA6 ILE C 2 CYS C 7 1 6 HELIX 7 AA7 SER C 12 GLU C 17 1 6 HELIX 8 AA8 ASN C 18 CYS C 20 5 3 HELIX 9 AA9 GLY D 8 GLY D 20 1 13 HELIX 10 AB1 GLU D 21 GLY D 23 5 3 SHEET 1 AA1 2 PHE B 24 TYR B 26 0 SHEET 2 AA1 2 PHE D 24 TYR D 26 -1 O PHE D 24 N TYR B 26 SSBOND 1 CYS A 6 CYS A 11 1555 1555 2.03 SSBOND 2 CYS A 7 CYS B 7 1555 1555 2.03 SSBOND 3 CYS A 20 CYS B 19 1555 1555 2.02 SSBOND 4 CYS C 6 CYS C 11 1555 1555 2.05 SSBOND 5 CYS C 7 CYS D 7 1555 1555 1.98 SSBOND 6 CYS C 20 CYS D 19 1555 1555 2.00 LINK NE2 HIS B 10 CO CO B 101 1555 1555 2.05 LINK OE1 GLU B 13 GD B GD B 102 1555 1555 2.24 LINK OE2 GLU B 13 GD B GD B 102 1555 1555 3.20 LINK NE2 HIS D 10 CO CO D 102 1555 1555 2.04 LINK CO CO B 101 O HOH B 216 1555 1555 2.22 LINK GD B GD B 102 O HOH B 205 1555 1555 2.27 LINK CO CO D 102 O HOH D 211 1555 1555 2.47 LINK NE2 HIS B 10 CO CO B 101 1555 2555 2.05 LINK NE2 HIS D 10 CO CO D 102 1555 2555 2.04 LINK OE2 GLU D 13 GD A GD B 102 1555 2555 2.94 LINK CO CO B 101 O HOH B 216 1555 3555 2.22 LINK GD A GD B 102 O HOH B 203 1555 3555 2.99 LINK GD B GD B 102 O HOH D 204 1555 3555 2.82 LINK CO CO D 102 O HOH D 211 1555 3555 2.47 SITE 1 AC1 2 HIS B 10 HOH B 216 SITE 1 AC2 6 GLU B 13 HOH B 203 HOH B 205 GLU D 13 SITE 2 AC2 6 CL D 101 HOH D 204 SITE 1 AC3 2 GD B 102 HOH B 205 SITE 1 AC4 2 HIS D 10 HOH D 211 CRYST1 81.400 81.400 33.700 90.00 90.00 120.00 H 3 18 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 0.012285 0.007093 0.000000 0.00000 SCALE2 0.000000 0.014186 0.000000 0.00000 SCALE3 0.000000 0.000000 0.029674 0.00000