HEADER STRUCTURAL PROTEIN, SIGNALING PROTEIN 09-AUG-09 3IM4 TITLE CRYSTAL STRUCTURE OF CAMP-DEPENDENT PROTEIN KINASE A REGULATORY TITLE 2 SUBUNIT I ALPHA IN COMPLEX WITH DUAL-SPECIFIC A-KINASE ANCHORING TITLE 3 PROTEIN 2 COMPND MOL_ID: 1; COMPND 2 MOLECULE: CAMP-DEPENDENT PROTEIN KINASE TYPE I-ALPHA REGULATORY COMPND 3 SUBUNIT; COMPND 4 CHAIN: A, B; COMPND 5 FRAGMENT: DIMERIZATION AND DOCKING DOMAIN: UNP RESIDUES 13-62; COMPND 6 ENGINEERED: YES; COMPND 7 MOL_ID: 2; COMPND 8 MOLECULE: DUAL SPECIFICITY A KINASE-ANCHORING PROTEIN 2; COMPND 9 CHAIN: C; COMPND 10 FRAGMENT: PKA-RII SUBUNIT BINDING: UNP RESIDUES 623-662; COMPND 11 SYNONYM: KINASE ANCHOR PROTEIN 10, PROTEIN KINASE A-ANCHORING PROTEIN COMPND 12 10, PRKA10, D-AKAP-2; COMPND 13 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BOS TAURUS; SOURCE 3 ORGANISM_COMMON: BOVINE; SOURCE 4 ORGANISM_TAXID: 9913; SOURCE 5 GENE: PRKAR1A; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PRSET C; SOURCE 11 MOL_ID: 2; SOURCE 12 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 13 ORGANISM_COMMON: HUMAN; SOURCE 14 ORGANISM_TAXID: 9606; SOURCE 15 GENE: AKAP10; SOURCE 16 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 17 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 18 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 19 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 20 EXPRESSION_SYSTEM_PLASMID: PGEX 4T-1 KEYWDS FOUR-HELIX BUNDLE, ACETYLATION, CAMP, CAMP-BINDING, DISULFIDE BOND, KEYWDS 2 NUCLEOTIDE-BINDING, PHOSPHOPROTEIN, CYTOPLASM, MEMBRANE, KEYWDS 3 MITOCHONDRION, POLYMORPHISM, TRANSIT PEPTIDE, STRUCTURAL PROTEIN, KEYWDS 4 SIGNALING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR G.N.SARMA,F.S.KINDERMAN,C.KIM,S.VON DAAKE,S.S.TAYLOR REVDAT 4 27-NOV-24 3IM4 1 REMARK REVDAT 3 21-DEC-22 3IM4 1 REMARK SEQADV LINK REVDAT 2 02-MAR-10 3IM4 1 JRNL REVDAT 1 02-FEB-10 3IM4 0 JRNL AUTH G.N.SARMA,F.S.KINDERMAN,C.KIM,S.VON DAAKE,L.CHEN,B.C.WANG, JRNL AUTH 2 S.S.TAYLOR JRNL TITL STRUCTURE OF D-AKAP2:PKA RI COMPLEX: INSIGHTS INTO AKAP JRNL TITL 2 SPECIFICITY AND SELECTIVITY JRNL REF STRUCTURE V. 18 155 2010 JRNL REFN ISSN 0969-2126 JRNL PMID 20159461 JRNL DOI 10.1016/J.STR.2009.12.012 REMARK 2 REMARK 2 RESOLUTION. 2.29 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 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 : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.29 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 39.96 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 0.160 REMARK 3 COMPLETENESS FOR RANGE (%) : 96.6 REMARK 3 NUMBER OF REFLECTIONS : 6015 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.186 REMARK 3 R VALUE (WORKING SET) : 0.186 REMARK 3 FREE R VALUE : 0.254 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.980 REMARK 3 FREE R VALUE TEST SET COUNT : 600 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 39.9567 - 3.6269 0.99 1466 158 0.1682 0.2153 REMARK 3 2 3.6269 - 2.8791 0.98 1365 152 0.1969 0.2871 REMARK 3 3 2.8791 - 2.5152 0.98 1344 154 0.2039 0.3100 REMARK 3 4 2.5152 - 2.2850 0.91 1240 136 0.2043 0.2908 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : 0.33 REMARK 3 B_SOL : 50.87 REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.360 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : NULL 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 : 0.005 1040 REMARK 3 ANGLE : 0.810 1397 REMARK 3 CHIRALITY : 0.050 157 REMARK 3 PLANARITY : 0.005 181 REMARK 3 DIHEDRAL : 17.216 401 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 1 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: CHAIN A REMARK 3 ORIGIN FOR THE GROUP (A): -3.3160 20.0101 -1.3816 REMARK 3 T TENSOR REMARK 3 T11: 0.1932 T22: 0.2240 REMARK 3 T33: 0.3695 T12: -0.0124 REMARK 3 T13: -0.0059 T23: 0.0200 REMARK 3 L TENSOR REMARK 3 L11: 0.5158 L22: 0.9226 REMARK 3 L33: 1.1339 L12: -0.4161 REMARK 3 L13: -0.2009 L23: -0.7354 REMARK 3 S TENSOR REMARK 3 S11: -0.0118 S12: -0.0658 S13: -0.2564 REMARK 3 S21: 0.0609 S22: 0.0179 S23: -0.2345 REMARK 3 S31: 0.2213 S32: -0.0569 S33: -0.0223 REMARK 3 TLS GROUP : 2 REMARK 3 SELECTION: CHAIN B REMARK 3 ORIGIN FOR THE GROUP (A): NULL NULL NULL REMARK 3 T TENSOR REMARK 3 T11: 0.1971 T22: 0.1722 REMARK 3 T33: 0.3592 T12: 0.0588 REMARK 3 T13: -0.0110 T23: 0.0151 REMARK 3 L TENSOR REMARK 3 L11: 0.6265 L22: 1.7647 REMARK 3 L33: 2.5814 L12: -1.5344 REMARK 3 L13: 0.5410 L23: 1.2040 REMARK 3 S TENSOR REMARK 3 S11: -0.1966 S12: -0.0234 S13: 0.2578 REMARK 3 S21: -0.1541 S22: 0.1499 S23: 0.0433 REMARK 3 S31: -0.5402 S32: -0.3658 S33: 0.0192 REMARK 3 TLS GROUP : 3 REMARK 3 SELECTION: CHAIN C REMARK 3 ORIGIN FOR THE GROUP (A): NULL NULL NULL REMARK 3 T TENSOR REMARK 3 T11: 0.2881 T22: 0.4294 REMARK 3 T33: 0.6417 T12: -0.0944 REMARK 3 T13: -0.0415 T23: 0.1095 REMARK 3 L TENSOR REMARK 3 L11: 0.1423 L22: 2.1115 REMARK 3 L33: 7.9928 L12: 0.3169 REMARK 3 L13: 2.2099 L23: -0.6599 REMARK 3 S TENSOR REMARK 3 S11: -0.0450 S12: -0.1928 S13: 0.1406 REMARK 3 S21: -0.1281 S22: -0.2953 S23: 0.3969 REMARK 3 S31: 0.3031 S32: -0.7767 S33: 0.2746 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 3IM4 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 14-AUG-09. REMARK 100 THE DEPOSITION ID IS D_1000054582. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-DEC-08 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ALS REMARK 200 BEAMLINE : 8.2.2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0000 REMARK 200 MONOCHROMATOR : DOUBLE CRYSTAL SI(111) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 6221 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.285 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.29 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.38 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 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 (%): 34.78 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.89 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 10% PEG 6000, 0.01 M ZNCL2, 0.1 M MES, REMARK 280 PH 5.5, MICROBATCH, TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 REMARK 290 4555 X+1/2,-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 20.20000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 28.49500 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 28.01000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 28.49500 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 20.20000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 28.01000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 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: BIOLOGICAL UNIT IS THE RI ALPHA DIMER BOUND TO A MONOMER OF REMARK 300 D-AKAP2. AUTHOR STATES THAT THE QUARTERNARY STRUCTURE SHOWN IN REMARK 300 REMARK 350 IS NOT CORRECT: IT IS *NOT* A TRIMER. IT IS A PROTEIN REMARK 300 COMPLEX STRUCTURE OF TWO PROTEINS: A DIMER BOUND TO 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: TRIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 4470 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 7460 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -52.9 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C 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 LYS B 61 REMARK 465 GLY C 618 REMARK 465 SER C 619 REMARK 465 PRO C 620 REMARK 465 GLU C 621 REMARK 465 PHE C 622 REMARK 465 VAL C 623 REMARK 465 GLN C 624 REMARK 465 GLY C 625 REMARK 465 ASN C 626 REMARK 465 THR C 627 REMARK 465 PRO C 655 REMARK 465 LEU C 656 REMARK 465 GLU C 657 REMARK 465 LYS C 658 REMARK 465 SER C 659 REMARK 465 THR C 660 REMARK 465 LYS C 661 REMARK 465 LEU C 662 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 LYS A 22 CG CD CE NZ REMARK 470 LYS A 61 CG CD CE NZ REMARK 470 ASP C 628 CG OD1 OD2 REMARK 470 GLN C 631 CG CD OE1 NE2 REMARK 470 GLN C 648 CG CD OE1 NE2 REMARK 470 GLN C 651 CG CD OE1 NE2 REMARK 470 TYR C 652 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 GLN C 654 CG CD OE1 NE2 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 ZN B 703 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU B 42 OE2 REMARK 620 2 GLU B 42 OE1 56.0 REMARK 620 3 HOH B 101 O 97.6 153.6 REMARK 620 N 1 2 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 701 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 702 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 705 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN B 703 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN B 704 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3IM3 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF PKA RI ALPHA DIMERIZATION/DOCKING DOMAIN (SAME REMARK 900 PROTEIN WITHOUT D-AKAP2 PEPTIDE) DBREF 3IM4 A 12 61 UNP P00514 KAP0_BOVIN 13 62 DBREF 3IM4 B 12 61 UNP P00514 KAP0_BOVIN 13 62 DBREF 3IM4 C 623 662 UNP O43572 AKA10_HUMAN 623 662 SEQADV 3IM4 GLY C 618 UNP O43572 EXPRESSION TAG SEQADV 3IM4 SER C 619 UNP O43572 EXPRESSION TAG SEQADV 3IM4 PRO C 620 UNP O43572 EXPRESSION TAG SEQADV 3IM4 GLU C 621 UNP O43572 EXPRESSION TAG SEQADV 3IM4 PHE C 622 UNP O43572 EXPRESSION TAG SEQADV 3IM4 VAL C 646 UNP O43572 ILE 646 VARIANT SEQRES 1 A 50 SER LEU ARG GLU CYS GLU LEU TYR VAL GLN LYS HIS ASN SEQRES 2 A 50 ILE GLN ALA LEU LEU LYS ASP SER ILE VAL GLN LEU CYS SEQRES 3 A 50 THR ALA ARG PRO GLU ARG PRO MET ALA PHE LEU ARG GLU SEQRES 4 A 50 TYR PHE GLU LYS LEU GLU LYS GLU GLU ALA LYS SEQRES 1 B 50 SER LEU ARG GLU CYS GLU LEU TYR VAL GLN LYS HIS ASN SEQRES 2 B 50 ILE GLN ALA LEU LEU LYS ASP SER ILE VAL GLN LEU CYS SEQRES 3 B 50 THR ALA ARG PRO GLU ARG PRO MET ALA PHE LEU ARG GLU SEQRES 4 B 50 TYR PHE GLU LYS LEU GLU LYS GLU GLU ALA LYS SEQRES 1 C 45 GLY SER PRO GLU PHE VAL GLN GLY ASN THR ASP GLU ALA SEQRES 2 C 45 GLN GLU GLU LEU ALA TRP LYS ILE ALA LYS MET ILE VAL SEQRES 3 C 45 SER ASP VAL MET GLN GLN ALA GLN TYR ASP GLN PRO LEU SEQRES 4 C 45 GLU LYS SER THR LYS LEU HET ZN A 701 1 HET ZN A 702 1 HET ZN A 705 1 HET ZN B 703 1 HET ZN B 704 1 HETNAM ZN ZINC ION FORMUL 4 ZN 5(ZN 2+) FORMUL 9 HOH *30(H2 O) HELIX 1 1 LEU A 13 GLN A 21 1 9 HELIX 2 2 ILE A 25 THR A 38 1 14 HELIX 3 3 PRO A 44 ALA A 60 1 17 HELIX 4 4 LEU B 13 GLN B 21 1 9 HELIX 5 5 ILE B 25 THR B 38 1 14 HELIX 6 6 PRO B 44 ALA B 60 1 17 HELIX 7 7 GLU C 629 ASP C 653 1 25 SSBOND 1 CYS A 16 CYS B 37 1555 1555 2.04 SSBOND 2 CYS A 37 CYS B 16 1555 1555 2.03 LINK OE2 GLU A 15 ZN ZN A 702 1555 1555 2.51 LINK NE2 HIS A 23 ZN ZN A 701 1555 1555 2.18 LINK O HOH A 103 ZN ZN A 705 1555 1555 2.23 LINK OE2 GLU B 42 ZN ZN B 703 1555 1555 2.11 LINK OE1 GLU B 42 ZN ZN B 703 1555 1555 2.50 LINK O HOH B 101 ZN ZN B 703 1555 1555 2.13 SITE 1 AC1 3 HIS A 23 GLU A 42 GLU C 633 SITE 1 AC2 5 GLU A 15 ARG A 49 GLU A 50 HOH A 127 SITE 2 AC2 5 GLU B 56 SITE 1 AC3 4 HIS A 23 GLU A 42 HOH A 103 HOH C 111 SITE 1 AC4 4 HIS B 23 GLU B 42 HOH B 101 GLU C 629 SITE 1 AC5 3 GLU A 56 GLU B 15 ARG B 49 CRYST1 40.400 56.020 56.990 90.00 90.00 90.00 P 21 21 21 8 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 0.024752 0.000000 0.000000 0.00000 SCALE2 0.000000 0.017851 0.000000 0.00000 SCALE3 0.000000 0.000000 0.017547 0.00000