HEADER METAL BINDING PROTEIN 15-MAY-12 2LT9 TITLE THE SOLUTION STRUCTURE OF CA2+ BINDING DOMAIN 2B OF THE THIRD ISOFORM TITLE 2 OF THE NA+/CA2+ EXCHANGER COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEIN SLC8A3; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: CALCIUM BINDING DOMAIN 2; COMPND 5 SYNONYM: SLC8A3 PROTEIN, SLC8A3 PROTEIN; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MUS MUSCULUS; SOURCE 3 ORGANISM_COMMON: MOUSE; SOURCE 4 ORGANISM_TAXID: 10090; SOURCE 5 GENE: SLC8A3; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET23B KEYWDS NCX, NCX3, NACA EXCHANGER, CBD, CBD2, CALCIUM BINDING DOMAIN 2, METAL KEYWDS 2 BINDING PROTEIN EXPDTA SOLUTION NMR NUMMDL 20 AUTHOR V.BREUKELS,W.G.TOUW,G.W.VUISTER REVDAT 3 01-MAY-24 2LT9 1 SEQADV REVDAT 2 12-SEP-12 2LT9 1 JRNL REVDAT 1 01-AUG-12 2LT9 0 JRNL AUTH V.BREUKELS,W.G.TOUW,G.W.VUISTER JRNL TITL NMR STRUCTURE NOTE: SOLUTION STRUCTURE OF CA(2+) BINDING JRNL TITL 2 DOMAIN 2B OF THE THIRD ISOFORM OF THE NA(+)/CA (2+) JRNL TITL 3 EXCHANGER. JRNL REF J.BIOMOL.NMR V. 54 115 2012 JRNL REFN ISSN 0925-2738 JRNL PMID 22806131 JRNL DOI 10.1007/S10858-012-9654-1 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CCPN_ANALYSIS 2.2.2, YASARA 11.9.18 REMARK 3 AUTHORS : CCPN (CCPN_ANALYSIS), E. KRIEGER, KORAIMANN G, REMARK 3 VRIEND G (YASARA) REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: THE SOLUTION STRUCTURE OF CALCIUM REMARK 3 BINDING DOMAIN 2B OF NCX3 IS SOLVED IN EXCESS OF 10 MM CACL2. REMARK 3 HOWEVER, CA IONS ARE NOT MODELED IN THE STRUCTURE, BECAUSE REMARK 3 RESONANCES OF CRUCIAL COORDINATING RESIDUES ARE LACKING: RES 605 REMARK 3 TO 610 AND 665 TO 669. THE REFINEMENT PROTOCOL IN EXPLICIT WATER, REMARK 3 INCLUDING DISTANCE AND DIHEDRAL RESTRAINTS. THE RDC RESTRAINTS REMARK 3 WERE NOT INCLUDED IN THE REFINEMENT. REMARK 4 REMARK 4 2LT9 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 16-MAY-12. REMARK 100 THE DEPOSITION ID IS D_1000102805. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 306 REMARK 210 PH : 7.0 REMARK 210 IONIC STRENGTH : 20 REMARK 210 PRESSURE : AMBIENT REMARK 210 SAMPLE CONTENTS : 0.5 MM [U-100% 13C; U-100% 15N] REMARK 210 PROTEIN, 20 MM HEPES, 20 MM BETA- REMARK 210 MERCAPTOETHANOL, 10 MM CACL2, 95% REMARK 210 H2O/5% D2O; 0.5 MM [U-100% 15N] REMARK 210 PROTEIN, 20 MM HEPES, 20 MM BETA- REMARK 210 MERCAPTOETHANOL, 10 MM CACL2, 8 REMARK 210 MG/ML PF1 PHAGE, 95% H2O/5% D2O; REMARK 210 0.5 MM [U-100% 15N] PROTEIN, 20 REMARK 210 MM HEPES, 20 MM BETA- REMARK 210 MERCAPTOETHANOL, 10 MM CACL2, 95% REMARK 210 H2O/5% D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D 1H-15N HSQC; 3D HNCO; 3D REMARK 210 HNCACB; 3D CBCA(CO)NH; 3D REMARK 210 HBHA(CO)NH; 3D HCCH-TOCSY; 3D REMARK 210 HNHA; 2D 1H-15N IPAP HSQC; 2D 1H- REMARK 210 13C IPAP HSQC; 3D 1H-13C NOESY REMARK 210 ALIPHATIC; 3D 1H-13C NOESY REMARK 210 AROMATIC; 3D 1H-15N NOESY; 3D REMARK 210 C(CO)NH REMARK 210 SPECTROMETER FIELD STRENGTH : 800 MHZ; 600 MHZ REMARK 210 SPECTROMETER MODEL : INOVA REMARK 210 SPECTROMETER MANUFACTURER : VARIAN REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : CCPN_ANALYSIS 2.2.2, NMRPIPE REMARK 210 2007, NMRDRAW 2007, CYANA 3.0 REMARK 210 METHOD USED : SIMULATED ANNEALING REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 100 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 20 REMARK 210 CONFORMERS, SELECTION CRITERIA : TARGET FUNCTION REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 1 REMARK 210 REMARK 210 REMARK: NULL REMARK 215 REMARK 215 NMR STUDY REMARK 215 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM SOLUTION REMARK 215 NMR DATA. PROTEIN DATA BANK CONVENTIONS REQUIRE THAT REMARK 215 CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES ON REMARK 215 THESE RECORDS ARE MEANINGLESS. 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: 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 465 REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 465 SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 MODELS 1-20 REMARK 465 RES C SSSEQI REMARK 465 MET A 519 REMARK 465 ALA A 520 REMARK 465 SER A 521 REMARK 465 HIS A 522 REMARK 465 HIS A 523 REMARK 465 HIS A 524 REMARK 465 HIS A 525 REMARK 465 HIS A 526 REMARK 465 HIS A 527 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 5 GLU A 625 C GLU A 625 O -0.139 REMARK 500 7 GLU A 625 C GLU A 625 O -0.160 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 2 VAL A 600 CG1 - CB - CG2 ANGL. DEV. = 9.7 DEGREES REMARK 500 2 GLU A 625 N - CA - C ANGL. DEV. = -16.8 DEGREES REMARK 500 3 ARG A 645 NE - CZ - NH1 ANGL. DEV. = 3.0 DEGREES REMARK 500 4 ILE A 539 CG1 - CB - CG2 ANGL. DEV. = -13.9 DEGREES REMARK 500 4 ARG A 554 NE - CZ - NH1 ANGL. DEV. = 3.1 DEGREES REMARK 500 5 ARG A 610 NE - CZ - NH1 ANGL. DEV. = 3.0 DEGREES REMARK 500 6 ARG A 567 NE - CZ - NH1 ANGL. DEV. = 3.3 DEGREES REMARK 500 7 ARG A 626 N - CA - CB ANGL. DEV. = 11.5 DEGREES REMARK 500 7 ARG A 634 NE - CZ - NH1 ANGL. DEV. = 3.4 DEGREES REMARK 500 11 GLU A 625 N - CA - C ANGL. DEV. = -18.4 DEGREES REMARK 500 11 ARG A 634 NE - CZ - NH1 ANGL. DEV. = 3.0 DEGREES REMARK 500 12 ARG A 567 NE - CZ - NH1 ANGL. DEV. = 3.3 DEGREES REMARK 500 12 VAL A 600 CG1 - CB - CG2 ANGL. DEV. = 10.6 DEGREES REMARK 500 13 ARG A 645 NE - CZ - NH1 ANGL. DEV. = 3.0 DEGREES REMARK 500 14 ARG A 554 NE - CZ - NH1 ANGL. DEV. = 3.2 DEGREES REMARK 500 14 ARG A 610 NE - CZ - NH1 ANGL. DEV. = 3.4 DEGREES REMARK 500 14 GLU A 625 N - CA - C ANGL. DEV. = -16.4 DEGREES REMARK 500 17 VAL A 600 CG1 - CB - CG2 ANGL. DEV. = 10.4 DEGREES REMARK 500 18 ARG A 634 NE - CZ - NH1 ANGL. DEV. = 3.1 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 1 SER A 556 3.97 -65.80 REMARK 500 1 GLU A 593 17.30 -56.09 REMARK 500 1 GLU A 606 168.01 63.18 REMARK 500 1 GLU A 625 89.33 -152.90 REMARK 500 1 ARG A 626 -55.02 163.23 REMARK 500 1 PRO A 658 26.64 -75.87 REMARK 500 1 SER A 667 -155.31 52.05 REMARK 500 1 VAL A 674 140.50 70.35 REMARK 500 2 SER A 556 22.78 -63.92 REMARK 500 2 GLU A 593 17.07 -63.08 REMARK 500 2 GLU A 606 -41.74 -148.03 REMARK 500 2 ARG A 610 154.95 87.85 REMARK 500 2 ARG A 626 -40.72 74.43 REMARK 500 2 SER A 629 -49.65 -146.40 REMARK 500 2 ARG A 634 57.11 -93.86 REMARK 500 2 PRO A 658 29.13 -78.75 REMARK 500 2 LYS A 671 2.10 -69.25 REMARK 500 2 SER A 672 -171.99 58.00 REMARK 500 3 SER A 556 6.21 -66.08 REMARK 500 3 GLU A 593 17.95 -58.35 REMARK 500 3 GLU A 625 88.74 -153.19 REMARK 500 3 ARG A 626 -52.00 165.14 REMARK 500 3 THR A 632 -84.59 -111.04 REMARK 500 3 ARG A 634 59.76 -90.06 REMARK 500 3 LYS A 635 99.59 -61.04 REMARK 500 3 PRO A 658 26.22 -77.58 REMARK 500 3 GLU A 665 138.16 -172.48 REMARK 500 3 PHE A 670 -179.36 60.47 REMARK 500 4 SER A 556 38.21 -70.88 REMARK 500 4 ASP A 582 92.73 -61.35 REMARK 500 4 GLU A 593 16.82 -66.88 REMARK 500 4 ARG A 626 -49.40 164.30 REMARK 500 4 PRO A 658 30.53 -78.40 REMARK 500 4 GLU A 665 -179.68 64.25 REMARK 500 4 GLU A 666 -176.71 63.80 REMARK 500 4 PHE A 670 56.16 -99.00 REMARK 500 5 SER A 556 6.61 -67.69 REMARK 500 5 GLU A 593 17.50 -58.34 REMARK 500 5 GLU A 607 -152.47 63.63 REMARK 500 5 TYR A 608 -158.07 61.01 REMARK 500 5 GLU A 609 -72.73 -148.81 REMARK 500 5 ARG A 610 168.45 60.91 REMARK 500 5 ARG A 626 -57.23 157.04 REMARK 500 5 PRO A 658 32.63 -77.70 REMARK 500 5 GLU A 665 128.16 -173.39 REMARK 500 5 VAL A 674 -176.76 51.31 REMARK 500 6 SER A 556 7.72 -67.24 REMARK 500 6 ALA A 573 168.76 179.32 REMARK 500 6 GLU A 593 17.02 -58.34 REMARK 500 6 GLU A 607 -63.71 -150.00 REMARK 500 REMARK 500 THIS ENTRY HAS 217 RAMACHANDRAN OUTLIERS. REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS REMARK 500 REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH REMARK 500 CIS AND TRANS CONFORMATION. CIS BONDS, IF ANY, ARE LISTED REMARK 500 ON CISPEP RECORDS. TRANS IS DEFINED AS 180 +/- 30 AND REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES. REMARK 500 MODEL OMEGA REMARK 500 MET A 624 GLU A 625 1 146.29 REMARK 500 MET A 624 GLU A 625 3 146.54 REMARK 500 MET A 624 GLU A 625 4 146.28 REMARK 500 MET A 624 GLU A 625 5 149.08 REMARK 500 MET A 624 GLU A 625 6 145.93 REMARK 500 MET A 624 GLU A 625 8 147.67 REMARK 500 MET A 624 GLU A 625 9 146.19 REMARK 500 MET A 624 GLU A 625 10 146.33 REMARK 500 MET A 624 GLU A 625 12 145.02 REMARK 500 MET A 624 GLU A 625 13 147.33 REMARK 500 MET A 624 GLU A 625 15 146.07 REMARK 500 MET A 624 GLU A 625 16 146.87 REMARK 500 MET A 624 GLU A 625 17 146.43 REMARK 500 MET A 624 GLU A 625 18 146.68 REMARK 500 MET A 624 GLU A 625 19 147.15 REMARK 500 MET A 624 GLU A 625 20 146.86 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY REMARK 500 REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY REMARK 500 TORSION ANGLE, C(I) - CA(I) - N(I+1) - O(I), GREATER REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 500 I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI ANGLE REMARK 500 1 MET A 624 -10.85 REMARK 500 1 GLU A 625 -12.18 REMARK 500 2 MET A 624 -10.96 REMARK 500 3 MET A 624 -10.73 REMARK 500 3 GLU A 625 -12.13 REMARK 500 4 MET A 624 -11.15 REMARK 500 4 GLU A 625 -12.00 REMARK 500 5 MET A 624 -10.83 REMARK 500 6 MET A 624 -11.04 REMARK 500 6 GLU A 625 -12.01 REMARK 500 7 MET A 624 -10.99 REMARK 500 8 MET A 624 -10.86 REMARK 500 8 GLU A 625 -12.27 REMARK 500 9 MET A 624 -11.10 REMARK 500 9 GLU A 625 -12.37 REMARK 500 10 MET A 624 -10.81 REMARK 500 10 GLU A 625 -11.55 REMARK 500 12 MET A 624 -11.90 REMARK 500 12 GLU A 625 -11.12 REMARK 500 13 MET A 624 -11.31 REMARK 500 13 GLU A 625 -12.46 REMARK 500 14 MET A 624 -10.61 REMARK 500 15 MET A 624 -10.68 REMARK 500 15 GLU A 625 -11.74 REMARK 500 16 MET A 624 -11.19 REMARK 500 16 GLU A 625 -13.53 REMARK 500 17 MET A 624 -10.59 REMARK 500 17 GLU A 625 -11.85 REMARK 500 18 MET A 624 -10.78 REMARK 500 18 GLU A 625 -13.21 REMARK 500 19 MET A 624 -11.41 REMARK 500 19 GLU A 625 -12.84 REMARK 500 20 MET A 624 -11.02 REMARK 500 20 GLU A 625 -13.58 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 7008 RELATED DB: BMRB REMARK 900 ENTRY CONTAINING RESONANCE ASSIGNMENTS OF CBD2 OF NCX ISOFORM 1 REMARK 900 RELATED ID: 7009 RELATED DB: BMRB REMARK 900 ENTRY CONTAINING ASSIGNMENTS OF CBD1 OF NCX ISOFORM 1 REMARK 900 RELATED ID: 18464 RELATED DB: BMRB DBREF 2LT9 A 528 675 UNP Q7TS90 Q7TS90_MOUSE 528 675 SEQADV 2LT9 MET A 519 UNP Q7TS90 EXPRESSION TAG SEQADV 2LT9 ALA A 520 UNP Q7TS90 EXPRESSION TAG SEQADV 2LT9 SER A 521 UNP Q7TS90 EXPRESSION TAG SEQADV 2LT9 HIS A 522 UNP Q7TS90 EXPRESSION TAG SEQADV 2LT9 HIS A 523 UNP Q7TS90 EXPRESSION TAG SEQADV 2LT9 HIS A 524 UNP Q7TS90 EXPRESSION TAG SEQADV 2LT9 HIS A 525 UNP Q7TS90 EXPRESSION TAG SEQADV 2LT9 HIS A 526 UNP Q7TS90 EXPRESSION TAG SEQADV 2LT9 HIS A 527 UNP Q7TS90 EXPRESSION TAG SEQRES 1 A 157 MET ALA SER HIS HIS HIS HIS HIS HIS HIS ALA GLY ILE SEQRES 2 A 157 PHE THR PHE GLU CYS ASP THR ILE HIS VAL SER GLU SER SEQRES 3 A 157 ILE GLY VAL MET GLU VAL LYS VAL LEU ARG THR SER GLY SEQRES 4 A 157 ALA ARG GLY THR VAL ILE VAL PRO PHE ARG THR VAL GLU SEQRES 5 A 157 GLY THR ALA LYS GLY GLY GLY GLU ASP PHE GLU ASP ALA SEQRES 6 A 157 TYR GLY GLU LEU GLU PHE LYS ASN ASP GLU THR VAL LYS SEQRES 7 A 157 THR ILE ARG VAL LYS ILE VAL ASP GLU GLU GLU TYR GLU SEQRES 8 A 157 ARG GLN GLU ASN PHE PHE ILE ALA LEU GLY GLU PRO LYS SEQRES 9 A 157 TRP MET GLU ARG GLY ILE SER GLU VAL THR ASP ARG LYS SEQRES 10 A 157 LEU THR VAL GLU GLU GLU GLU ALA LYS ARG ILE ALA GLU SEQRES 11 A 157 MET GLY LYS PRO VAL LEU GLY GLU HIS PRO LYS LEU GLU SEQRES 12 A 157 VAL ILE ILE GLU GLU SER TYR GLU PHE LYS SER THR VAL SEQRES 13 A 157 ASP HELIX 1 1 SER A 542 ILE A 545 5 4 HELIX 2 2 THR A 637 GLY A 650 1 14 SHEET 1 A 3 PHE A 532 PHE A 534 0 SHEET 2 A 3 VAL A 547 ARG A 554 -1 O LEU A 553 N THR A 533 SHEET 3 A 3 VAL A 595 LYS A 601 -1 O LYS A 596 N VAL A 552 SHEET 1 B 5 THR A 538 VAL A 541 0 SHEET 2 B 5 LYS A 659 ILE A 664 1 O GLU A 661 N ILE A 539 SHEET 3 B 5 GLU A 612 LEU A 618 -1 N PHE A 614 O VAL A 662 SHEET 4 B 5 VAL A 562 THR A 572 -1 N VAL A 569 O PHE A 615 SHEET 5 B 5 GLY A 585 PHE A 589 -1 O PHE A 589 N VAL A 562 SHEET 1 C 5 THR A 538 VAL A 541 0 SHEET 2 C 5 LYS A 659 ILE A 664 1 O GLU A 661 N ILE A 539 SHEET 3 C 5 GLU A 612 LEU A 618 -1 N PHE A 614 O VAL A 662 SHEET 4 C 5 VAL A 562 THR A 572 -1 N VAL A 569 O PHE A 615 SHEET 5 C 5 LYS A 622 TRP A 623 -1 O LYS A 622 N ILE A 563 CRYST1 1.000 1.000 1.000 90.00 90.00 90.00 P 1 1 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 1.000000 0.000000 0.000000 0.00000 SCALE2 0.000000 1.000000 0.000000 0.00000 SCALE3 0.000000 0.000000 1.000000 0.00000 MODEL 1