PDB Short entry for 2LEC HEADER RNA BINDING PROTEIN/RNA 15-JUN-11 2LEC TITLE SOLUTION STRUCTURE OF HUMAN SRSF2 (SC35) RRM IN COMPLEX WITH 5'- TITLE 2 UGGAGU-3' COMPND MOL_ID: 1; COMPND 2 MOLECULE: SERINE/ARGININE-RICH SPLICING FACTOR 2; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: RRM DOMAIN RESIDUES 1-101; COMPND 5 SYNONYM: PROTEIN PR264, SPLICING COMPONENT, 35 KDA, SPLICING FACTOR COMPND 6 SC35, SC-35, SPLICING FACTOR, ARGININE/SERINE-RICH 2; COMPND 7 ENGINEERED: YES; COMPND 8 MOL_ID: 2; COMPND 9 MOLECULE: RNA (5'-R(*UP*GP*GP*AP*GP*U)-3'); COMPND 10 CHAIN: B; COMPND 11 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: SFRS2, SRSF2; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR: PET28A; SOURCE 10 MOL_ID: 2; SOURCE 11 SYNTHETIC: YES KEYWDS SR PROTEIN, SPLICING FACTOR, RNA PROTEIN COMPLEX, RNA BINDING KEYWDS 2 PROTEIN-RNA COMPLEX EXPDTA SOLUTION NMR NUMMDL 20 AUTHOR G.M.DAUBNER,A.CLERY,S.JAYNE,J.STEVENIN,F.H.-T.ALLAIN REVDAT 2 23-MAY-12 2LEC 1 JRNL REVDAT 1 23-NOV-11 2LEC 0 JRNL AUTH G.M.DAUBNER,A.CLERY,S.JAYNE,J.STEVENIN,F.H.ALLAIN JRNL TITL A SYN-ANTI CONFORMATIONAL DIFFERENCE ALLOWS SRSF2 TO JRNL TITL 2 RECOGNIZE GUANINES AND CYTOSINES EQUALLY WELL. JRNL REF EMBO J. V. 31 162 2012 JRNL REFN ISSN 0261-4189 JRNL PMID 22002536 JRNL DOI 10.1038/EMBOJ.2011.367 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : AMBER 9 REMARK 3 AUTHORS : CASE, DARDEN, CHEATHAM, III, SIMMERLING, WANG, REMARK 3 DUKE, LUO, AND KOLLM REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2LEC COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 17-JUN-11. REMARK 100 THE RCSB ID CODE IS RCSB102290. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 310.8 REMARK 210 PH : 5.5 REMARK 210 IONIC STRENGTH : 120 REMARK 210 PRESSURE : AMBIENT REMARK 210 SAMPLE CONTENTS : 0.75 MM [U-15N] SRSF2 RRM + REMARK 210 UGGAGU1, 0.75 MM [U-13C; U-15N] REMARK 210 SRSF2 RRM + UGGAGU2, 90% H2O/10% REMARK 210 D2O; 0.75 MM [U-15N] SRSF2 RRM + REMARK 210 UGGAGU1, 100% D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D 1H-15N HSQC; 2D 1H-13C HSQC; REMARK 210 3D HCACO; 3D HNCO; 3D HNCA; 3D REMARK 210 HN(CO)CA; 3D CBCA(CO)NH; 3D REMARK 210 HNCACB; 3D H(CCO)NH; 3D HCCH- REMARK 210 TOCSY; 3D 1H-13C NOESY; 3D 1H-15N REMARK 210 NOESY; 2D 1H-1H NOESY; 2D 1H-1H REMARK 210 TOCSY REMARK 210 SPECTROMETER FIELD STRENGTH : 500 MHZ; 600 MHZ; 700 MHZ; 900 REMARK 210 MHZ REMARK 210 SPECTROMETER MODEL : AVANCE REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : CYANA 3.0, SPARKY REMARK 210 METHOD USED : SIMULATED ANNEALING REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 50 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 20 REMARK 210 CONFORMERS, SELECTION CRITERIA : STRUCTURES WITH THE LOWEST ENERGY 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: DIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B 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 -33 REMARK 465 GLY A -32 REMARK 465 SER A -31 REMARK 465 SER A -30 REMARK 465 HIS A -29 REMARK 465 HIS A -28 REMARK 465 HIS A -27 REMARK 465 HIS A -26 REMARK 465 HIS A -25 REMARK 465 HIS A -24 REMARK 465 SER A -23 REMARK 465 SER A -22 REMARK 465 GLY A -21 REMARK 465 LEU A -20 REMARK 465 VAL A -19 REMARK 465 PRO A -18 REMARK 465 ARG A -17 REMARK 465 GLY A -16 REMARK 465 SER A -15 REMARK 465 HIS A -14 REMARK 465 MET A -13 REMARK 465 ALA A -12 REMARK 465 SER A -11 REMARK 465 MET A -10 REMARK 465 THR A -9 REMARK 465 GLY A -8 REMARK 465 GLY A -7 REMARK 465 GLN A -6 REMARK 465 GLN A -5 REMARK 465 MET A -4 REMARK 465 GLY A -3 REMARK 465 ARG A -2 REMARK 465 GLY A -1 REMARK 465 SER A 0 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS 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 HO2' A B 105 OP1 G B 106 1.60 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 1 U B 102 O4' - C1' - N1 ANGL. DEV. = 7.2 DEGREES REMARK 500 2 U B 102 O4' - C1' - N1 ANGL. DEV. = 7.3 DEGREES REMARK 500 4 TYR A 44 CB - CG - CD2 ANGL. DEV. = -3.9 DEGREES REMARK 500 4 U B 102 O4' - C1' - N1 ANGL. DEV. = 6.3 DEGREES REMARK 500 4 G B 103 C1' - O4' - C4' ANGL. DEV. = -4.8 DEGREES REMARK 500 4 G B 106 C5' - C4' - C3' ANGL. DEV. = -9.3 DEGREES REMARK 500 5 U B 102 O4' - C1' - N1 ANGL. DEV. = 6.8 DEGREES REMARK 500 5 G B 103 C1' - O4' - C4' ANGL. DEV. = -4.4 DEGREES REMARK 500 5 G B 103 O4' - C1' - N9 ANGL. DEV. = 5.2 DEGREES REMARK 500 7 U B 102 O4' - C1' - N1 ANGL. DEV. = 5.6 DEGREES REMARK 500 7 G B 104 O4' - C1' - N9 ANGL. DEV. = 4.3 DEGREES REMARK 500 8 A B 105 O4' - C1' - N9 ANGL. DEV. = 4.3 DEGREES REMARK 500 8 G B 106 O4' - C1' - N9 ANGL. DEV. = 4.9 DEGREES REMARK 500 8 U B 107 C1' - O4' - C4' ANGL. DEV. = -4.3 DEGREES REMARK 500 9 U B 102 O4' - C1' - N1 ANGL. DEV. = 5.9 DEGREES REMARK 500 9 A B 105 O4' - C1' - N9 ANGL. DEV. = 5.3 DEGREES REMARK 500 9 G B 106 O4' - C1' - N9 ANGL. DEV. = 4.9 DEGREES REMARK 500 9 U B 107 O4' - C1' - N1 ANGL. DEV. = 5.2 DEGREES REMARK 500 10 G B 103 C1' - O4' - C4' ANGL. DEV. = -5.4 DEGREES REMARK 500 10 G B 103 O4' - C1' - N9 ANGL. DEV. = 8.4 DEGREES REMARK 500 10 G B 104 O4' - C1' - N9 ANGL. DEV. = 4.2 DEGREES REMARK 500 10 A B 105 C5' - C4' - C3' ANGL. DEV. = -10.6 DEGREES REMARK 500 11 G B 103 C1' - O4' - C4' ANGL. DEV. = -4.7 DEGREES REMARK 500 11 G B 103 O4' - C1' - N9 ANGL. DEV. = 4.6 DEGREES REMARK 500 12 G B 103 C1' - O4' - C4' ANGL. DEV. = -5.5 DEGREES REMARK 500 12 G B 103 O4' - C1' - N9 ANGL. DEV. = 5.0 DEGREES REMARK 500 13 U B 102 O4' - C1' - N1 ANGL. DEV. = 7.5 DEGREES REMARK 500 14 G B 103 C1' - O4' - C4' ANGL. DEV. = -4.8 DEGREES REMARK 500 15 U B 102 O4' - C1' - N1 ANGL. DEV. = 6.6 DEGREES REMARK 500 15 G B 103 C1' - O4' - C4' ANGL. DEV. = -5.5 DEGREES REMARK 500 15 G B 103 O4' - C1' - N9 ANGL. DEV. = 4.8 DEGREES REMARK 500 15 G B 104 O4' - C1' - N9 ANGL. DEV. = 4.2 DEGREES REMARK 500 16 G B 103 C1' - O4' - C4' ANGL. DEV. = -5.1 DEGREES REMARK 500 16 G B 103 O4' - C1' - N9 ANGL. DEV. = 5.8 DEGREES REMARK 500 16 G B 104 O4' - C1' - N9 ANGL. DEV. = 5.6 DEGREES REMARK 500 16 A B 105 C5' - C4' - C3' ANGL. DEV. = -8.7 DEGREES REMARK 500 17 TYR A 44 CB - CG - CD2 ANGL. DEV. = -3.7 DEGREES REMARK 500 17 U B 102 O4' - C1' - N1 ANGL. DEV. = 7.4 DEGREES REMARK 500 17 G B 103 C1' - O4' - C4' ANGL. DEV. = -6.0 DEGREES REMARK 500 17 G B 103 O4' - C1' - N9 ANGL. DEV. = 6.1 DEGREES REMARK 500 18 G B 103 C1' - O4' - C4' ANGL. DEV. = -5.7 DEGREES REMARK 500 18 G B 103 O4' - C1' - N9 ANGL. DEV. = 8.2 DEGREES REMARK 500 18 G B 104 O4' - C1' - N9 ANGL. DEV. = 5.6 DEGREES REMARK 500 19 U B 102 O4' - C1' - N1 ANGL. DEV. = 6.9 DEGREES REMARK 500 19 G B 103 C1' - O4' - C4' ANGL. DEV. = -4.4 DEGREES REMARK 500 19 U B 107 C1' - O4' - C4' ANGL. DEV. = -5.6 DEGREES REMARK 500 20 U B 102 O4' - C1' - N1 ANGL. DEV. = 6.0 DEGREES REMARK 500 20 G B 103 C1' - O4' - C4' ANGL. DEV. = -5.6 DEGREES REMARK 500 20 G B 103 O4' - C1' - N9 ANGL. DEV. = 7.2 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 ARG A 5 69.09 -153.86 REMARK 500 1 ASN A 20 28.29 82.90 REMARK 500 1 TYR A 23 3.29 -62.52 REMARK 500 1 ARG A 47 30.74 36.92 REMARK 500 1 ASP A 48 12.31 51.39 REMARK 500 1 ARG A 49 -14.18 52.53 REMARK 500 1 TYR A 50 4.12 -155.47 REMARK 500 1 LYS A 52 21.81 40.10 REMARK 500 1 SER A 54 -78.11 -83.56 REMARK 500 1 ARG A 55 16.56 39.66 REMARK 500 1 PHE A 59 92.20 -66.11 REMARK 500 1 ALA A 78 32.06 -80.80 REMARK 500 1 LEU A 80 5.06 -152.70 REMARK 500 1 ARG A 83 115.19 -172.44 REMARK 500 1 GLU A 84 -50.45 -130.88 REMARK 500 1 ARG A 91 21.17 -141.99 REMARK 500 1 ASP A 97 136.33 -170.04 REMARK 500 1 SER A 98 11.38 -154.58 REMARK 500 2 ARG A 5 52.40 -178.73 REMARK 500 2 ASN A 20 38.59 84.96 REMARK 500 2 TYR A 23 6.09 -62.88 REMARK 500 2 ARG A 49 16.72 -67.48 REMARK 500 2 TYR A 50 -3.05 -146.89 REMARK 500 2 LYS A 52 26.24 49.88 REMARK 500 2 SER A 54 -178.18 58.92 REMARK 500 2 ALA A 78 33.40 -81.41 REMARK 500 2 LEU A 80 9.95 -157.97 REMARK 500 2 ARG A 83 143.65 -175.23 REMARK 500 2 GLU A 84 -47.62 -141.59 REMARK 500 3 ARG A 5 50.39 38.94 REMARK 500 3 ASN A 20 29.88 92.52 REMARK 500 3 TYR A 23 3.09 -62.84 REMARK 500 3 ARG A 49 8.82 -62.12 REMARK 500 3 TYR A 50 6.09 -150.84 REMARK 500 3 LYS A 52 23.87 46.93 REMARK 500 3 GLU A 53 11.18 -68.65 REMARK 500 3 ARG A 55 8.61 -58.15 REMARK 500 3 LEU A 80 3.32 -153.82 REMARK 500 3 ARG A 83 135.22 -177.77 REMARK 500 3 GLU A 84 -37.56 -140.85 REMARK 500 3 PRO A 95 103.12 -34.05 REMARK 500 3 ASP A 97 131.14 -179.10 REMARK 500 3 SER A 98 12.98 -158.10 REMARK 500 3 HIS A 99 10.03 -143.79 REMARK 500 4 SER A 2 -177.55 51.18 REMARK 500 4 ARG A 5 57.25 30.89 REMARK 500 4 VAL A 10 6.13 -64.50 REMARK 500 4 GLU A 11 2.90 -65.71 REMARK 500 4 ASN A 20 27.94 96.81 REMARK 500 4 TYR A 23 10.44 -62.95 REMARK 500 REMARK 500 THIS ENTRY HAS 294 RAMACHANDRAN OUTLIERS. REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 4 G B 104 0.06 SIDE CHAIN REMARK 500 7 G B 104 0.07 SIDE CHAIN REMARK 500 12 G B 104 0.09 SIDE CHAIN REMARK 500 19 G B 106 0.06 SIDE CHAIN REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2LEA RELATED DB: PDB REMARK 900 PROTEIN REMARK 900 RELATED ID: 17705 RELATED DB: BMRB REMARK 900 PROTEIN REMARK 900 RELATED ID: 2LEB RELATED DB: PDB REMARK 900 PROTEIN + RNA REMARK 900 RELATED ID: 17706 RELATED DB: BMRB REMARK 900 PROTEIN + RNA REMARK 900 RELATED ID: 17707 RELATED DB: BMRB REMARK 900 PROTEIN + RNA DBREF 2LEC A 1 101 UNP Q01130 SRSF2_HUMAN 1 101 SEQADV 2LEC MET A -33 UNP Q01130 EXPRESSION TAG SEQADV 2LEC GLY A -32 UNP Q01130 EXPRESSION TAG SEQADV 2LEC SER A -31 UNP Q01130 EXPRESSION TAG SEQADV 2LEC SER A -30 UNP Q01130 EXPRESSION TAG SEQADV 2LEC HIS A -29 UNP Q01130 EXPRESSION TAG SEQADV 2LEC HIS A -28 UNP Q01130 EXPRESSION TAG SEQADV 2LEC HIS A -27 UNP Q01130 EXPRESSION TAG SEQADV 2LEC HIS A -26 UNP Q01130 EXPRESSION TAG SEQADV 2LEC HIS A -25 UNP Q01130 EXPRESSION TAG SEQADV 2LEC HIS A -24 UNP Q01130 EXPRESSION TAG SEQADV 2LEC SER A -23 UNP Q01130 EXPRESSION TAG SEQADV 2LEC SER A -22 UNP Q01130 EXPRESSION TAG SEQADV 2LEC GLY A -21 UNP Q01130 EXPRESSION TAG SEQADV 2LEC LEU A -20 UNP Q01130 EXPRESSION TAG SEQADV 2LEC VAL A -19 UNP Q01130 EXPRESSION TAG SEQADV 2LEC PRO A -18 UNP Q01130 EXPRESSION TAG SEQADV 2LEC ARG A -17 UNP Q01130 EXPRESSION TAG SEQADV 2LEC GLY A -16 UNP Q01130 EXPRESSION TAG SEQADV 2LEC SER A -15 UNP Q01130 EXPRESSION TAG SEQADV 2LEC HIS A -14 UNP Q01130 EXPRESSION TAG SEQADV 2LEC MET A -13 UNP Q01130 EXPRESSION TAG SEQADV 2LEC ALA A -12 UNP Q01130 EXPRESSION TAG SEQADV 2LEC SER A -11 UNP Q01130 EXPRESSION TAG SEQADV 2LEC MET A -10 UNP Q01130 EXPRESSION TAG SEQADV 2LEC THR A -9 UNP Q01130 EXPRESSION TAG SEQADV 2LEC GLY A -8 UNP Q01130 EXPRESSION TAG SEQADV 2LEC GLY A -7 UNP Q01130 EXPRESSION TAG SEQADV 2LEC GLN A -6 UNP Q01130 EXPRESSION TAG SEQADV 2LEC GLN A -5 UNP Q01130 EXPRESSION TAG SEQADV 2LEC MET A -4 UNP Q01130 EXPRESSION TAG SEQADV 2LEC GLY A -3 UNP Q01130 EXPRESSION TAG SEQADV 2LEC ARG A -2 UNP Q01130 EXPRESSION TAG SEQADV 2LEC GLY A -1 UNP Q01130 EXPRESSION TAG SEQADV 2LEC SER A 0 UNP Q01130 EXPRESSION TAG SEQRES 1 A 135 MET GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY SEQRES 2 A 135 LEU VAL PRO ARG GLY SER HIS MET ALA SER MET THR GLY SEQRES 3 A 135 GLY GLN GLN MET GLY ARG GLY SER MET SER TYR GLY ARG SEQRES 4 A 135 PRO PRO PRO ASP VAL GLU GLY MET THR SER LEU LYS VAL SEQRES 5 A 135 ASP ASN LEU THR TYR ARG THR SER PRO ASP THR LEU ARG SEQRES 6 A 135 ARG VAL PHE GLU LYS TYR GLY ARG VAL GLY ASP VAL TYR SEQRES 7 A 135 ILE PRO ARG ASP ARG TYR THR LYS GLU SER ARG GLY PHE SEQRES 8 A 135 ALA PHE VAL ARG PHE HIS ASP LYS ARG ASP ALA GLU ASP SEQRES 9 A 135 ALA MET ASP ALA MET ASP GLY ALA VAL LEU ASP GLY ARG SEQRES 10 A 135 GLU LEU ARG VAL GLN MET ALA ARG TYR GLY ARG PRO PRO SEQRES 11 A 135 ASP SER HIS HIS SER SEQRES 1 B 6 U G G A G U HELIX 1 1 SER A 26 GLU A 35 1 10 HELIX 2 2 LYS A 36 GLY A 38 5 3 HELIX 3 3 ASP A 64 ASP A 76 1 13 SHEET 1 A 4 ASP A 42 TYR A 44 0 SHEET 2 A 4 PHE A 59 PHE A 62 -1 O ARG A 61 N ASP A 42 SHEET 3 A 4 LEU A 16 ASP A 19 -1 N VAL A 18 O VAL A 60 SHEET 4 A 4 ARG A 86 MET A 89 -1 O ARG A 86 N ASP A 19 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