10 20 30 40 50 60 70 80 1LFX - Header ----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----| Asymmetric UnitHEADER OXIDOREDUCTASE 12-APR-02 1LFX
TITLE THEORETICAL STRUCTURE OF NITROGENASE MOLYBDENUM-IRON TITLE 2 PROTEIN ALPHA CHAIN
COMPND MOL_ID: 1; COMPND 2 MOLECULE: NITROGENASE MOLYBDENUM-IRON PROTEIN ALPHA CHAIN; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: NITROGENASE COMPONENT I, DINITROGENASE; COMPND 5 EC: 1.18.6.1
SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: RHIZOBIUM SP. COWPEA; SOURCE 3 ORGANISM_COMMON: BACTERIA; SOURCE 4 STRAIN: IRC78
KEYWDS OXIDOREDUCTASE, NITROGEN FIXATION, MOLYBDENUM, IRON-SULFUR
EXPDTA THEORETICAL MODEL
AUTHOR A.SRINIVASAREDDY,K.NARAYANA,G.RAMBABU
REVDAT 1 01-MAY-02 1LFX 0
JRNL AUTH A.SRINIVASAREDDY,K.NARAYANA,G.RAMBABU JRNL TITL THEORETICAL STRUCTURE OF NITROGENASE JRNL TITL 2 MOLYBDENUM-IRON PROTEIN ALPHA CHAIN JRNL REF TO BE PUBLISHED JRNL REFN
REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH A.C.YUN,A.A.SZALAY REMARK 1 TITL STRUCTURAL GENES OF DINITROGENASE AND REMARK 1 TITL 2 DINITROGENASE REDUCTASE ARE TRANSCRIBED FROM TWO REMARK 1 TITL 3 SEPARATE PROMOTERS IN THE BROAD HOST RANGE COWPEA REMARK 1 TITL 4 RHIZOBIUM STRAIN IRC78 REMARK 1 REF PROC.NATL.ACAD.SCI.USA V. 81 7358 1984 REMARK 1 REFN ASTM PNASA6 US ISSN 0027-8424 REMARK 1 REFERENCE 2 REMARK 1 AUTH H.CHIU,J.W.PETERS,W.N.LANZILOTTA,M.J.RYLE, REMARK 1 AUTH 2 L.C.SEEFELDT,J.B.HOWARD,D.C.REES REMARK 1 TITL MGATP-BOUND AND NUCLEOTIDE-FREE STRUCTURES OF A REMARK 1 TITL 2 NITROGENASE PROTEIN COMPLEX BETWEEN LEU 127 REMARK 1 TITL 3 DELTA-FE-PROTEIN AND THE MOFE-PROTEIN REMARK 1 REF BIOCHEMISTRY V. 40 641 2001 REMARK 1 REFN ASTM BICHAW US ISSN 0006-2960 REMARK 1 REFERENCE 3 REMARK 1 AUTH H.SCHINDELIN,C.KISKER,J.L.SCHLESSMAN,J.B.HOWARD, REMARK 1 AUTH 2 D.C.REES REMARK 1 TITL STRUCTURE OF ADP X AIF4(-)-STABILIZED NITROGENASE REMARK 1 TITL 2 COMPLEX AND ITS IMPLICATIONS FOR SIGNAL REMARK 1 TITL 3 TRANSDUCTION REMARK 1 REF NATURE V. 387 370 1997 REMARK 1 REFN ASTM NATUAS UK ISSN 0028-0836
REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE.
REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : NULL REMARK 3 AUTHORS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: USED MODELLER OF INSIGHTII,ACCELRYS REMARK 3 TO MODEL AND REFINE THE PROTEIN.
REMARK 4 REMARK 4 1LFX COMPLIES WITH FORMAT V. 2.3, 09-JULY-1998
REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 18-APR-2002. REMARK 100 THE RCSB ID CODE IS RCSB015912.
REMARK 220 REMARK 220 EXPERIMENTAL DETAILS REMARK 220 EXPERIMENT TYPE : THEORETICAL MODELLING REMARK 220 REMARK 220 REMARK: COMPARATIVE MODELLING/MODELLED BY USING MODELLER, WHICH REMARK 220 AUTOMATICALLY MODELS PROTEIN AND REFINES BY CONJUGATE REMARK 220 GRADIENT OPTIMISATION, MOLECULAR DYNAMICS AND SIMULATED REMARK 220 ANNEALING
REMARK 225 REMARK 225 THEORETICAL MODEL REMARK 225 THE COORDINATES IN THIS ENTRY REPRESENT A MODEL STRUCTURE. REMARK 225 PROTEIN DATA BANK CONVENTIONS REQUIRE THAT CRYST1 AND REMARK 225 SCALE RECORDS BE INCLUDED, BUT THE VALUES ON THESE REMARK 225 RECORDS ARE MEANINGLESS.
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: ENGH AND HUBER, 1991 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 ASN A 103 OD1 - CG - ND2 ANGL. DEV. = 17.3 DEGREES REMARK 500 ASN A 103 CB - CG - OD1 ANGL. DEV. =-74.9 DEGREES REMARK 500 ASN A 103 CB - CG - ND2 ANGL. DEV. =-22.0 DEGREES REMARK 500 TYR A 402 CA - CB - CG ANGL. DEV. =-17.1 DEGREES REMARK 500 TYR A 416 CB - CA - C ANGL. DEV. =-17.7 DEGREES 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 M RES CSSEQI PSI PHI REMARK 500 ALA A 4 90.84 148.00 REMARK 500 SER A 5 146.12 117.42 REMARK 500 SER A 8 136.06 82.44 REMARK 500 ASP A 405 -87.31 30.43
REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1G20 RELATED DB: PDB REMARK 900 1G20 CHAIN A HAS 70% SEQUENCE SIMILARITY (E 0.0) WITH REMARK 900 NITROGENASE MOLYBDENUM-IRON PROTEIN ALPHA CHAIN REMARK 900 RELATED ID: 1N2C RELATED DB: PDB REMARK 900 1N2C CHAIN A HAS 70% SEQUENCE SIMILARITY (E 0.0) WITH REMARK 900 NITROGENASE MOLYBDENUM-IRON PROTEIN ALPHA CHAIN
DBREF 1LFX A 1 500 UNP P06769 NIFD_RHICP 1 500
SEQRES 1 A 500 MET SER LEU ALA SER THR GLN SER ILE ALA GLU ILE ARG SEQRES 2 A 500 ALA ARG ASN LYS GLU LEU ILE GLN GLU VAL LEU LYS VAL SEQRES 3 A 500 TYR PRO GLU LYS THR ALA LYS ARG ARG ALA LYS HIS LEU SEQRES 4 A 500 ASN VAL HIS GLN ALA GLY LYS SER ASP CYS GLY VAL LYS SEQRES 5 A 500 SER ASN ILE LYS SER ILE PRO GLY VAL MET THR ILE ARG SEQRES 6 A 500 GLY CYS ALA TYR ALA GLY SER LYS GLY VAL VAL TRP GLY SEQRES 7 A 500 PRO ILE LYS ASP MET VAL HIS ILE SER HIS GLY PRO VAL SEQRES 8 A 500 GLY CYS GLY GLN TYR SER TRP GLY SER ARG ARG ASN TYR SEQRES 9 A 500 TYR VAL GLY THR THR GLY ILE ASP SER PHE VAL THR LEU SEQRES 10 A 500 GLN PHE THR PHE ASP PHE ARG GLU LYS ASP ILE VAL PHE SEQRES 11 A 500 GLY GLY ASP LYS LYS LEU VAL LYS ILE LEU ASP GLU ILE SEQRES 12 A 500 GLN GLU LEU PHE PRO LEU ASN ASN GLY ILE THR ILE GLN SEQRES 13 A 500 SER GLU CYS PRO ILE GLY LEU ILE GLY ASP ASP ILE GLU SEQRES 14 A 500 ALA VAL SER ARG ALA LYS SER LYS GLU TYR GLY GLY LYS SEQRES 15 A 500 THR ILE VAL PRO VAL ARG CYS GLU GLY PHE ARG GLY VAL SEQRES 16 A 500 SER GLN SER LEU GLY HIS HIS ILE ALA ASN ASP ALA VAL SEQRES 17 A 500 ARG ASP TRP ILE PHE ASP GLN VAL GLU ALA ASP GLY LYS SEQRES 18 A 500 PRO LYS VAL GLU PRO THR PRO TYR ASP VAL ALA ILE ILE SEQRES 19 A 500 GLY ASP TYR ASN ILE GLY GLY ASP ALA TRP SER SER ARG SEQRES 20 A 500 ILE LEU LEU GLU GLU MET GLY LEU ARG VAL ILE ALA GLN SEQRES 21 A 500 TRP SER GLY ASP GLY SER LEU ALA GLU LEU GLU ALA ASN SEQRES 22 A 500 VAL GLU GLY LYS LEU ASN ILE LEU HIS CYS TYR ARG SER SEQRES 23 A 500 MET ASN TYR ILE SER ARG HIS MET GLU GLU LYS PHE GLY SEQRES 24 A 500 ILE PRO TRP CYS GLU TYR ASN PHE PHE GLY PRO SER LYS SEQRES 25 A 500 ILE ALA GLU SER LEU ARG ARG ILE ALA GLY TYR PHE ASP SEQRES 26 A 500 ASP LYS ILE LYS GLU GLY ALA GLU ARG VAL ILE GLU LYS SEQRES 27 A 500 TYR GLN PRO LEU VAL ASN ALA VAL ILE ALA LYS TYR ARG SEQRES 28 A 500 PRO ARG LEU GLU GLY LYS THR VAL MET LEU TYR VAL GLY SEQRES 29 A 500 GLY LEU ARG SER ARG HIS VAL ILE GLY ALA TYR GLU ASP SEQRES 30 A 500 LEU GLY MET GLU VAL ILE GLY THR GLY TYR GLU PHE GLY SEQRES 31 A 500 HIS ASN ASP ASP TYR GLN ARG THR ALA GLN HIS TYR VAL SEQRES 32 A 500 LYS ASP GLY THR LEU ILE HIS ASP ASP VAL ASN GLY TYR SEQRES 33 A 500 GLU PHE GLU ARG PHE VAL GLU LYS LEU GLN PRO ASP LEU SEQRES 34 A 500 VAL GLY SER GLY ILE LYS GLU LYS TYR VAL PHE GLN LYS SEQRES 35 A 500 MET GLY GLY PRO PHE ARG GLN MET HIS SER TRP ASP TYR SEQRES 36 A 500 SER GLY PRO TYR HIS GLY TYR ASP GLY PHE ALA ILE PHE SEQRES 37 A 500 ALA ARG ASP MET ASP MET ALA ILE ASN SER PRO VAL TRP SEQRES 38 A 500 LYS LYS THR LYS ALA PRO TRP LYS GLU ALA SER ARG ALA SEQRES 39 A 500 LYS LEU LEU ALA ALA GLU
HELIX 1 1 SER A 8 ALA A 14 1 7 HELIX 2 2 GLU A 18 LYS A 25 1 8 HELIX 3 3 PRO A 28 HIS A 38 1 11 HELIX 4 4 CYS A 67 LYS A 73 1 7 HELIX 5 5 GLY A 92 TRP A 98 1 7 HELIX 6 6 ARG A 124 GLY A 131 1 8 HELIX 7 7 GLY A 132 PHE A 147 1 16 HELIX 8 8 GLU A 158 GLY A 165 1 8 HELIX 9 9 ASP A 167 GLU A 178 1 12 HELIX 10 10 SER A 196 ILE A 212 1 17 HELIX 11 11 PHE A 213 GLU A 217 5 5 HELIX 12 12 ASN A 238 GLY A 240 5 3 HELIX 13 13 GLY A 241 MET A 253 1 13 HELIX 14 14 SER A 266 ASN A 273 1 8 HELIX 15 15 VAL A 274 GLY A 276 5 3 HELIX 16 16 CYS A 283 GLY A 299 1 17 HELIX 17 17 GLY A 309 TYR A 323 1 15 HELIX 18 18 ASP A 325 GLU A 355 1 31 HELIX 19 19 LEU A 366 VAL A 371 1 6 HELIX 20 20 VAL A 371 LEU A 378 1 8 HELIX 21 21 HIS A 391 TYR A 402 1 12 HELIX 22 22 ASN A 414 GLN A 426 1 13 HELIX 23 23 GLY A 433 GLY A 444 1 12 HELIX 24 24 SER A 452 SER A 456 5 5 HELIX 25 25 HIS A 460 ASN A 477 1 18 HELIX 26 26 SER A 478 LYS A 485 5 8
SHEET 1 A 6 LEU A 39 VAL A 41 0 SHEET 2 A 6 LEU A 408 ASP A 411 -1 O ILE A 409 N ASN A 40 SHEET 3 A 6 GLU A 381 TYR A 387 1 N THR A 385 O LEU A 408 SHEET 4 A 6 THR A 358 LEU A 361 1 N VAL A 359 O GLU A 381 SHEET 5 A 6 LEU A 429 SER A 432 1 O GLY A 431 N MET A 360 SHEET 6 A 6 PHE A 447 GLN A 449 1 O ARG A 448 N VAL A 430 SHEET 1 B 4 PHE A 119 THR A 120 0 SHEET 2 B 4 VAL A 84 HIS A 88 1 N SER A 87 O PHE A 119 SHEET 3 B 4 ILE A 153 SER A 157 1 O GLN A 156 N ILE A 86 SHEET 4 B 4 ILE A 184 VAL A 187 1 O VAL A 185 N ILE A 155 SHEET 1 C 4 ARG A 256 GLN A 260 0 SHEET 2 C 4 ASP A 230 ILE A 234 1 N ILE A 233 O ALA A 259 SHEET 3 C 4 LEU A 278 LEU A 281 1 O ILE A 280 N ALA A 232 SHEET 4 C 4 TRP A 302 GLU A 304 1 O CYS A 303 N LEU A 281
CISPEP 1 GLY A 457 PRO A 458 0 -2.92
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