HEADER TRANSFERASE 12-FEB-26 10ZB TITLE ROOM-TEMPERATURE X-RAY STRUCTURE OF E53Q MUTANT OF THERMUS TITLE 2 THERMOPHILUS SERINE HYDROXYMETHYLTRANSFERASE (TTHSHMT) IN COMPLEX TITLE 3 WITH PLP-L-SER EXTERNAL ALDIMINE AND TETRAHYDROFOLATE (THF) COMPND MOL_ID: 1; COMPND 2 MOLECULE: SERINE HYDROXYMETHYLTRANSFERASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: SHMT,SERINE METHYLASE; COMPND 5 EC: 2.1.2.1; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES; COMPND 8 MOL_ID: 2; COMPND 9 MOLECULE: SERINE HYDROXYMETHYLTRANSFERASE; COMPND 10 CHAIN: B; COMPND 11 SYNONYM: SHMT,SERINE METHYLASE; COMPND 12 EC: 2.1.2.1; COMPND 13 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: THERMUS THERMOPHILUS; SOURCE 3 ORGANISM_TAXID: 274; SOURCE 4 GENE: GLYA, TTHAA11_16450; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 MOL_ID: 2; SOURCE 8 ORGANISM_SCIENTIFIC: THERMUS THERMOPHILUS; SOURCE 9 ORGANISM_TAXID: 274; SOURCE 10 GENE: GLYA, TTHAA11_16450; SOURCE 11 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 12 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS HOMODIMER, PYRIDOXAL-5'-PHOSPHATE, ONE-CARBON METABOLISM, INACTIVE KEYWDS 2 MUTANT, ENZYME-SUBSTRATE COMPLEX, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR A.KOVALEVSKY,V.N.DRAGO,R.S.PHILLIPS REVDAT 1 20-MAY-26 10ZB 0 JRNL AUTH V.N.DRAGO,R.S.PHILLIPS,A.KOVALEVSKY JRNL TITL MUTATION OF ACTIVE SITE GLUTAMATE IN SERINE JRNL TITL 2 HYDROXYMETHYLTRANSFERASE ALLOWS TRAPPING A REACTIVE JRNL TITL 3 INTERMEDIATE: A COMBINED NEUTRON AND X-RAY CRYSTALLOGRAPHY JRNL TITL 4 STUDY JRNL REF RSC ADV V. 16 22600 2026 JRNL REFN ESSN 2046-2069 JRNL DOI 10.1039/D6RA01814A REMARK 2 REMARK 2 RESOLUTION. 1.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (1.19.2_4158: ???) 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 : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 27.88 REMARK 3 MIN(FOBS/SIGMA_FOBS) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 99.5 REMARK 3 NUMBER OF REFLECTIONS : 85110 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.159 REMARK 3 R VALUE (WORKING SET) : 0.158 REMARK 3 FREE R VALUE : 0.185 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 4252 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 27.8800 - 5.5800 0.94 2602 162 0.1895 0.1907 REMARK 3 2 5.5800 - 4.4300 0.98 2718 123 0.1418 0.1744 REMARK 3 3 4.4300 - 3.8700 0.98 2685 145 0.1285 0.1373 REMARK 3 4 3.8700 - 3.5200 0.98 2671 125 0.1284 0.1504 REMARK 3 5 3.5200 - 3.2700 0.99 2735 126 0.1515 0.1559 REMARK 3 6 3.2700 - 3.0800 0.99 2707 123 0.1545 0.1699 REMARK 3 7 3.0800 - 2.9200 1.00 2735 137 0.1543 0.1687 REMARK 3 8 2.9200 - 2.8000 1.00 2703 140 0.1593 0.1807 REMARK 3 9 2.8000 - 2.6900 1.00 2692 132 0.1651 0.2004 REMARK 3 10 2.6900 - 2.6000 1.00 2748 128 0.1702 0.1981 REMARK 3 11 2.6000 - 2.5100 1.00 2698 145 0.1662 0.2107 REMARK 3 12 2.5100 - 2.4400 1.00 2672 136 0.1639 0.1862 REMARK 3 13 2.4400 - 2.3800 1.00 2715 154 0.1615 0.1961 REMARK 3 14 2.3800 - 2.3200 1.00 2707 152 0.1603 0.2062 REMARK 3 15 2.3200 - 2.2700 1.00 2639 165 0.1541 0.1777 REMARK 3 16 2.2700 - 2.2200 1.00 2719 135 0.1564 0.1628 REMARK 3 17 2.2200 - 2.1800 1.00 2687 159 0.1526 0.1881 REMARK 3 18 2.1800 - 2.1300 1.00 2701 146 0.1648 0.2103 REMARK 3 19 2.1300 - 2.1000 1.00 2679 159 0.1606 0.1939 REMARK 3 20 2.1000 - 2.0600 1.00 2721 150 0.1613 0.1965 REMARK 3 21 2.0600 - 2.0300 1.00 2663 146 0.1565 0.2141 REMARK 3 22 2.0300 - 2.0000 1.00 2738 127 0.1625 0.1863 REMARK 3 23 2.0000 - 1.9700 1.00 2689 129 0.1666 0.2093 REMARK 3 24 1.9700 - 1.9400 1.00 2692 162 0.1666 0.2145 REMARK 3 25 1.9400 - 1.9100 1.00 2692 160 0.1643 0.2098 REMARK 3 26 1.9100 - 1.8900 1.00 2704 133 0.1630 0.1947 REMARK 3 27 1.8900 - 1.8600 1.00 2680 145 0.1663 0.2110 REMARK 3 28 1.8600 - 1.8400 1.00 2709 123 0.1739 0.2265 REMARK 3 29 1.8400 - 1.8200 1.00 2683 156 0.1915 0.2427 REMARK 3 30 1.8200 - 1.8000 0.99 2674 129 0.1956 0.2321 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 : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.150 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 17.420 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 : 0.009 6494 REMARK 3 ANGLE : 1.001 8812 REMARK 3 CHIRALITY : 0.063 964 REMARK 3 PLANARITY : 0.010 1163 REMARK 3 DIHEDRAL : 8.572 930 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL 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 10ZB COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 17-FEB-26. REMARK 100 THE DEPOSITION ID IS D_1000305155. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 19-JUL-24 REMARK 200 TEMPERATURE (KELVIN) : 293 REMARK 200 PH : 5.5 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 MICROMAX-007 HF REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.54186 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER R 4M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : CRYSALISPRO REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 85253 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.800 REMARK 200 RESOLUTION RANGE LOW (A) : 95.300 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 200 DATA REDUNDANCY : 5.000 REMARK 200 R MERGE (I) : 0.11400 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 21.0000 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) : 1.86 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.6 REMARK 200 DATA REDUNDANCY IN SHELL : 4.60 REMARK 200 R MERGE FOR SHELL (I) : 0.32500 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 4.600 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 (%): 53.24 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.63 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 40 MM NAOAC, PH 5.5, 1M AMMONIUM REMARK 280 SULFATE, 0.5M LITHIUM SULFATE, VAPOR DIFFUSION, SITTING DROP, REMARK 280 TEMPERATURE 289K 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 41.80100 REMARK 290 SMTRY3 2 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 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 9140 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 25840 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -69.0 KCAL/MOL 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. (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 SER A 3 REMARK 465 THR A 4 REMARK 465 LEU A 5 REMARK 465 SER B 1003 REMARK 465 THR B 1004 REMARK 465 LEU B 1005 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 A 52 43.47 -144.13 REMARK 500 ALA A 173 54.25 -147.32 REMARK 500 ALA A 173 54.25 -147.49 REMARK 500 LLP A 226 -133.59 78.34 REMARK 500 ASN A 311 -145.62 -134.86 REMARK 500 THR A 354 167.73 62.16 REMARK 500 ALA B1058 57.66 -150.31 REMARK 500 ALA B1173 37.33 -148.52 REMARK 500 LYS B1226 -109.38 -98.60 REMARK 500 ASN B1311 -143.89 -134.01 REMARK 500 THR B1354 162.93 68.55 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 B1810 DISTANCE = 5.85 ANGSTROMS DBREF1 10ZB A 3 407 UNP A0AAD1KUU5_THETH DBREF2 10ZB A A0AAD1KUU5 3 407 DBREF1 10ZB B 1003 1407 UNP A0AAD1KUU5_THETH DBREF2 10ZB B A0AAD1KUU5 3 407 SEQADV 10ZB GLN A 53 UNP A0AAD1KUU GLU 53 ENGINEERED MUTATION SEQADV 10ZB GLN B 1053 UNP A0AAD1KUU GLU 53 ENGINEERED MUTATION SEQRES 1 A 405 SER THR LEU LYS ARG ASP GLU ALA LEU PHE GLU LEU ILE SEQRES 2 A 405 ALA LEU GLU GLU LYS ARG GLN ARG GLU GLY LEU GLU LEU SEQRES 3 A 405 ILE ALA SER GLU ASN PHE VAL SER LYS GLN VAL ARG GLU SEQRES 4 A 405 ALA VAL GLY SER VAL LEU THR ASN LYS TYR ALA GLN GLY SEQRES 5 A 405 TYR PRO GLY ALA ARG TYR TYR GLY GLY CYS GLU VAL ILE SEQRES 6 A 405 ASP ARG VAL GLU SER LEU ALA ILE GLU ARG ALA LYS ALA SEQRES 7 A 405 LEU PHE GLY ALA ALA TRP ALA ASN VAL GLN PRO HIS SER SEQRES 8 A 405 GLY SER GLN ALA ASN MET ALA VAL TYR MET ALA LEU MET SEQRES 9 A 405 GLU PRO GLY ASP THR LEU MET GLY MET ASP LEU ALA ALA SEQRES 10 A 405 GLY GLY HIS LEU THR HIS GLY SER ARG VAL ASN PHE SER SEQRES 11 A 405 GLY LYS LEU TYR LYS VAL VAL SER TYR GLY VAL ARG PRO SEQRES 12 A 405 ASP THR GLU LEU ILE ASP LEU GLU GLU VAL ARG ARG LEU SEQRES 13 A 405 ALA LEU GLU HIS ARG PRO LYS VAL ILE VAL ALA GLY ALA SEQRES 14 A 405 SER ALA TYR PRO ARG PHE TRP ASP PHE LYS ALA PHE ARG SEQRES 15 A 405 GLU ILE ALA ASP GLU VAL GLY ALA TYR LEU VAL VAL ASP SEQRES 16 A 405 MET ALA HIS PHE ALA GLY LEU VAL ALA ALA GLY LEU HIS SEQRES 17 A 405 PRO ASN PRO LEU PRO TYR ALA HIS VAL VAL THR SER THR SEQRES 18 A 405 THR HIS LLP THR LEU ARG GLY PRO ARG GLY GLY LEU ILE SEQRES 19 A 405 LEU SER ASN ASP PRO GLU LEU GLY LYS ARG ILE ASP LYS SEQRES 20 A 405 LEU ILE PHE PRO GLY ILE GLN GLY GLY PRO LEU GLU HIS SEQRES 21 A 405 VAL ILE ALA GLY LYS ALA VAL ALA PHE PHE GLU ALA LEU SEQRES 22 A 405 GLN PRO GLU PHE LYS GLU TYR SER ARG LEU VAL VAL GLU SEQRES 23 A 405 ASN ALA LYS ARG LEU ALA GLU GLU LEU ALA ARG ARG GLY SEQRES 24 A 405 TYR ARG ILE VAL THR GLY GLY THR ASP ASN HIS LEU PHE SEQRES 25 A 405 LEU VAL ASP LEU ARG PRO LYS GLY LEU THR GLY LYS GLU SEQRES 26 A 405 ALA GLU GLU ARG LEU ASP ALA VAL GLY ILE THR VAL ASN SEQRES 27 A 405 LYS ASN ALA ILE PRO PHE ASP PRO LYS PRO PRO ARG VAL SEQRES 28 A 405 THR SER GLY ILE ARG ILE GLY THR PRO ALA ILE THR THR SEQRES 29 A 405 ARG GLY PHE THR PRO GLU GLU MET PRO LEU VAL ALA GLU SEQRES 30 A 405 LEU ILE ASP ARG ALA LEU LEU GLU GLY PRO SER GLU ALA SEQRES 31 A 405 LEU ARG GLU GLU VAL ARG ARG LEU ALA LEU ALA HIS PRO SEQRES 32 A 405 MET PRO SEQRES 1 B 405 SER THR LEU LYS ARG ASP GLU ALA LEU PHE GLU LEU ILE SEQRES 2 B 405 ALA LEU GLU GLU LYS ARG GLN ARG GLU GLY LEU GLU LEU SEQRES 3 B 405 ILE ALA SER GLU ASN PHE VAL SER LYS GLN VAL ARG GLU SEQRES 4 B 405 ALA VAL GLY SER VAL LEU THR ASN LYS TYR ALA GLN GLY SEQRES 5 B 405 TYR PRO GLY ALA ARG TYR TYR GLY GLY CYS GLU VAL ILE SEQRES 6 B 405 ASP ARG VAL GLU SER LEU ALA ILE GLU ARG ALA LYS ALA SEQRES 7 B 405 LEU PHE GLY ALA ALA TRP ALA ASN VAL GLN PRO HIS SER SEQRES 8 B 405 GLY SER GLN ALA ASN MET ALA VAL TYR MET ALA LEU MET SEQRES 9 B 405 GLU PRO GLY ASP THR LEU MET GLY MET ASP LEU ALA ALA SEQRES 10 B 405 GLY GLY HIS LEU THR HIS GLY SER ARG VAL ASN PHE SER SEQRES 11 B 405 GLY LYS LEU TYR LYS VAL VAL SER TYR GLY VAL ARG PRO SEQRES 12 B 405 ASP THR GLU LEU ILE ASP LEU GLU GLU VAL ARG ARG LEU SEQRES 13 B 405 ALA LEU GLU HIS ARG PRO LYS VAL ILE VAL ALA GLY ALA SEQRES 14 B 405 SER ALA TYR PRO ARG PHE TRP ASP PHE LYS ALA PHE ARG SEQRES 15 B 405 GLU ILE ALA ASP GLU VAL GLY ALA TYR LEU VAL VAL ASP SEQRES 16 B 405 MET ALA HIS PHE ALA GLY LEU VAL ALA ALA GLY LEU HIS SEQRES 17 B 405 PRO ASN PRO LEU PRO TYR ALA HIS VAL VAL THR SER THR SEQRES 18 B 405 THR HIS LYS THR LEU ARG GLY PRO ARG GLY GLY LEU ILE SEQRES 19 B 405 LEU SER ASN ASP PRO GLU LEU GLY LYS ARG ILE ASP LYS SEQRES 20 B 405 LEU ILE PHE PRO GLY ILE GLN GLY GLY PRO LEU GLU HIS SEQRES 21 B 405 VAL ILE ALA GLY LYS ALA VAL ALA PHE PHE GLU ALA LEU SEQRES 22 B 405 GLN PRO GLU PHE LYS GLU TYR SER ARG LEU VAL VAL GLU SEQRES 23 B 405 ASN ALA LYS ARG LEU ALA GLU GLU LEU ALA ARG ARG GLY SEQRES 24 B 405 TYR ARG ILE VAL THR GLY GLY THR ASP ASN HIS LEU PHE SEQRES 25 B 405 LEU VAL ASP LEU ARG PRO LYS GLY LEU THR GLY LYS GLU SEQRES 26 B 405 ALA GLU GLU ARG LEU ASP ALA VAL GLY ILE THR VAL ASN SEQRES 27 B 405 LYS ASN ALA ILE PRO PHE ASP PRO LYS PRO PRO ARG VAL SEQRES 28 B 405 THR SER GLY ILE ARG ILE GLY THR PRO ALA ILE THR THR SEQRES 29 B 405 ARG GLY PHE THR PRO GLU GLU MET PRO LEU VAL ALA GLU SEQRES 30 B 405 LEU ILE ASP ARG ALA LEU LEU GLU GLY PRO SER GLU ALA SEQRES 31 B 405 LEU ARG GLU GLU VAL ARG ARG LEU ALA LEU ALA HIS PRO SEQRES 32 B 405 MET PRO MODRES 10ZB LLP A 226 LYS MODIFIED RESIDUE HET LLP A 226 24 HET ACT A 501 4 HET SO4 A 502 5 HET SO4 A 503 5 HET KOU B1501 22 HET THG B1502 32 HET SO4 B1503 5 HETNAM LLP (2S)-2-AMINO-6-[[3-HYDROXY-2-METHYL-5- HETNAM 2 LLP (PHOSPHONOOXYMETHYL)PYRIDIN-4- HETNAM 3 LLP YL]METHYLIDENEAMINO]HEXANOIC ACID HETNAM ACT ACETATE ION HETNAM SO4 SULFATE ION HETNAM KOU (E)-N-({3-HYDROXY-2-METHYL-5-[(PHOSPHONOOXY) HETNAM 2 KOU METHYL]PYRIDIN-4-YL}METHYLIDENE)-L-SERINE HETNAM THG (6S)-5,6,7,8-TETRAHYDROFOLATE HETSYN LLP N'-PYRIDOXYL-LYSINE-5'-MONOPHOSPHATE FORMUL 1 LLP C14 H22 N3 O7 P FORMUL 3 ACT C2 H3 O2 1- FORMUL 4 SO4 3(O4 S 2-) FORMUL 6 KOU C11 H15 N2 O8 P FORMUL 7 THG C19 H23 N7 O6 FORMUL 9 HOH *403(H2 O) HELIX 1 AA1 ASP A 8 GLY A 25 1 18 HELIX 2 AA2 SER A 36 GLY A 44 1 9 HELIX 3 AA3 SER A 45 LYS A 50 5 6 HELIX 4 AA4 CYS A 64 GLY A 83 1 20 HELIX 5 AA5 SER A 93 MET A 106 1 14 HELIX 6 AA6 LEU A 117 GLY A 120 5 4 HELIX 7 AA7 HIS A 122 GLY A 126 5 5 HELIX 8 AA8 ASN A 130 TYR A 136 1 7 HELIX 9 AA9 ASP A 151 ARG A 163 1 13 HELIX 10 AB1 ASP A 179 GLY A 191 1 13 HELIX 11 AB2 PHE A 201 ALA A 207 1 7 HELIX 12 AB3 HIS A 225 ARG A 229 5 5 HELIX 13 AB4 ASP A 240 PHE A 252 1 13 HELIX 14 AB5 LEU A 260 LEU A 275 1 16 HELIX 15 AB6 GLN A 276 ARG A 300 1 25 HELIX 16 AB7 THR A 306 GLY A 308 5 3 HELIX 17 AB8 ARG A 319 GLY A 322 5 4 HELIX 18 AB9 THR A 324 ALA A 334 1 11 HELIX 19 AC1 THR A 361 ARG A 367 1 7 HELIX 20 AC2 THR A 370 GLU A 372 5 3 HELIX 21 AC3 GLU A 373 GLY A 388 1 16 HELIX 22 AC4 SER A 390 ALA A 403 1 14 HELIX 23 AC5 ASP B 1008 GLY B 1025 1 18 HELIX 24 AC6 SER B 1036 GLY B 1044 1 9 HELIX 25 AC7 SER B 1045 LYS B 1050 5 6 HELIX 26 AC8 CYS B 1064 GLY B 1083 1 20 HELIX 27 AC9 SER B 1093 MET B 1106 1 14 HELIX 28 AD1 HIS B 1122 GLY B 1126 5 5 HELIX 29 AD2 ASN B 1130 TYR B 1136 1 7 HELIX 30 AD3 ASP B 1151 ARG B 1163 1 13 HELIX 31 AD4 ASP B 1179 VAL B 1190 1 12 HELIX 32 AD5 PHE B 1201 ALA B 1207 1 7 HELIX 33 AD6 ASP B 1240 PHE B 1252 1 13 HELIX 34 AD7 LEU B 1260 LEU B 1275 1 16 HELIX 35 AD8 GLN B 1276 ARG B 1300 1 25 HELIX 36 AD9 THR B 1306 GLY B 1308 5 3 HELIX 37 AE1 ARG B 1319 GLY B 1322 5 4 HELIX 38 AE2 THR B 1324 ALA B 1334 1 11 HELIX 39 AE3 THR B 1361 ARG B 1367 1 7 HELIX 40 AE4 THR B 1370 GLU B 1372 5 3 HELIX 41 AE5 GLU B 1373 GLY B 1388 1 16 HELIX 42 AE6 SER B 1390 ALA B 1403 1 14 SHEET 1 AA1 2 LEU A 26 GLU A 27 0 SHEET 2 AA1 2 ILE A 337 THR A 338 1 O THR A 338 N LEU A 26 SHEET 1 AA2 2 GLY A 54 TYR A 55 0 SHEET 2 AA2 2 ALA A 58 ARG A 59 -1 O ALA A 58 N TYR A 55 SHEET 1 AA3 7 TRP A 86 ASN A 88 0 SHEET 2 AA3 7 GLY A 234 SER A 238 -1 O ILE A 236 N ASN A 88 SHEET 3 AA3 7 VAL A 219 THR A 223 -1 N VAL A 220 O LEU A 237 SHEET 4 AA3 7 TYR A 193 ASP A 197 1 N VAL A 196 O THR A 221 SHEET 5 AA3 7 VAL A 166 ALA A 169 1 N ILE A 167 O VAL A 195 SHEET 6 AA3 7 THR A 111 MET A 115 1 N MET A 113 O VAL A 168 SHEET 7 AA3 7 LYS A 137 TYR A 141 1 O LYS A 137 N LEU A 112 SHEET 1 AA4 4 ARG A 303 ILE A 304 0 SHEET 2 AA4 4 LEU A 313 ASP A 317 -1 O ASP A 317 N ARG A 303 SHEET 3 AA4 4 GLY A 356 GLY A 360 -1 O ILE A 357 N VAL A 316 SHEET 4 AA4 4 ASN A 340 LYS A 341 -1 N ASN A 340 O ARG A 358 SHEET 1 AA5 2 LEU B1026 GLU B1027 0 SHEET 2 AA5 2 ILE B1337 THR B1338 1 O THR B1338 N LEU B1026 SHEET 1 AA6 2 GLY B1054 TYR B1055 0 SHEET 2 AA6 2 ALA B1058 ARG B1059 -1 O ALA B1058 N TYR B1055 SHEET 1 AA7 7 TRP B1086 ASN B1088 0 SHEET 2 AA7 7 GLY B1234 SER B1238 -1 O ILE B1236 N ASN B1088 SHEET 3 AA7 7 VAL B1219 THR B1223 -1 N VAL B1220 O LEU B1237 SHEET 4 AA7 7 TYR B1193 ASP B1197 1 N VAL B1196 O THR B1221 SHEET 5 AA7 7 VAL B1166 ALA B1169 1 N ALA B1169 O ASP B1197 SHEET 6 AA7 7 THR B1111 MET B1115 1 N MET B1113 O VAL B1168 SHEET 7 AA7 7 LYS B1137 TYR B1141 1 O LYS B1137 N LEU B1112 SHEET 1 AA8 4 ARG B1303 ILE B1304 0 SHEET 2 AA8 4 LEU B1313 ASP B1317 -1 O ASP B1317 N ARG B1303 SHEET 3 AA8 4 GLY B1356 GLY B1360 -1 O ILE B1357 N VAL B1316 SHEET 4 AA8 4 ASN B1340 ASN B1342 -1 N ASN B1342 O GLY B1356 LINK C HIS A 225 N LLP A 226 1555 1555 1.33 LINK C LLP A 226 N THR A 227 1555 1555 1.34 CISPEP 1 PHE A 252 PRO A 253 0 9.06 CISPEP 2 PHE B 1252 PRO B 1253 0 9.08 CRYST1 58.859 83.602 95.338 90.00 91.69 90.00 P 1 21 1 2 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 0.016990 0.000000 0.000500 0.00000 SCALE2 0.000000 0.011961 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010494 0.00000 CONECT 1722 1745 CONECT 1730 1731 1738 CONECT 1731 1730 1732 1733 CONECT 1732 1731 CONECT 1733 1731 1734 1735 CONECT 1734 1733 CONECT 1735 1733 1736 1737 CONECT 1736 1735 1751 CONECT 1737 1735 1738 1739 CONECT 1738 1730 1737 CONECT 1739 1737 1740 CONECT 1740 1739 1741 CONECT 1741 1740 1742 1743 1744 CONECT 1742 1741 CONECT 1743 1741 CONECT 1744 1741 CONECT 1745 1722 1746 CONECT 1746 1745 1747 1752 CONECT 1747 1746 1748 CONECT 1748 1747 1749 CONECT 1749 1748 1750 CONECT 1750 1749 1751 CONECT 1751 1736 1750 CONECT 1752 1746 1753 1754 CONECT 1753 1752 CONECT 1754 1752 CONECT 6287 6288 6289 6290 CONECT 6288 6287 CONECT 6289 6287 CONECT 6290 6287 CONECT 6291 6292 6293 6294 6295 CONECT 6292 6291 CONECT 6293 6291 CONECT 6294 6291 CONECT 6295 6291 CONECT 6296 6297 6298 6299 6300 CONECT 6297 6296 CONECT 6298 6296 CONECT 6299 6296 CONECT 6300 6296 CONECT 6301 6303 6312 6322 CONECT 6302 6312 6319 CONECT 6303 6301 CONECT 6304 6315 6317 6318 6320 CONECT 6305 6306 6311 CONECT 6306 6305 6307 6316 CONECT 6307 6306 6308 6309 CONECT 6308 6307 CONECT 6309 6307 6310 6319 CONECT 6310 6309 6311 6321 CONECT 6311 6305 6310 CONECT 6312 6301 6302 6313 CONECT 6313 6312 6314 CONECT 6314 6313 CONECT 6315 6304 CONECT 6316 6306 CONECT 6317 6304 CONECT 6318 6304 CONECT 6319 6302 6309 CONECT 6320 6304 6321 CONECT 6321 6310 6320 CONECT 6322 6301 CONECT 6323 6324 6328 CONECT 6324 6323 6325 6354 CONECT 6325 6324 6326 CONECT 6326 6325 6327 6329 CONECT 6327 6326 6328 6332 CONECT 6328 6323 6327 6353 CONECT 6329 6326 6330 CONECT 6330 6329 6331 CONECT 6331 6330 6332 6333 CONECT 6332 6327 6331 CONECT 6333 6331 6334 CONECT 6334 6333 6335 CONECT 6335 6334 6336 6340 CONECT 6336 6335 6337 CONECT 6337 6336 6338 CONECT 6338 6337 6339 6341 CONECT 6339 6338 6340 CONECT 6340 6335 6339 CONECT 6341 6338 6342 6352 CONECT 6342 6341 6343 CONECT 6343 6342 6344 6347 CONECT 6344 6343 6345 6346 CONECT 6345 6344 CONECT 6346 6344 CONECT 6347 6343 6348 CONECT 6348 6347 6349 CONECT 6349 6348 6350 6351 CONECT 6350 6349 CONECT 6351 6349 CONECT 6352 6341 CONECT 6353 6328 CONECT 6354 6324 CONECT 6355 6356 6357 6358 6359 CONECT 6356 6355 CONECT 6357 6355 CONECT 6358 6355 CONECT 6359 6355 MASTER 268 0 7 42 30 0 0 6 6711 2 99 64 END