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(-) Description

Title :  CRYSTAL STRUCTURE OF THE PERIPLASMIC NITRATE REDUCTASE (NAP) FROM ESCHERICHIA COLI
 
Authors :  B. J. N. Jepson, D. J. Richardson, A. M. Hemmings
Date :  20 Nov 06  (Deposition) - 05 Dec 06  (Release) - 24 Mar 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.50
Chains :  Asym. Unit :  A,F
Biol. Unit 1:  A  (1x)
Biol. Unit 2:  F  (1x)
Keywords :  Molybdenum, Nitrate Reductase, Oxidoreductase (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  B. J. Jepson, S. Mohan, T. A. Clarke, A. J. Gates, J. A. Cole, C. S. Butler, J. N. Butt, A. M. Hemmings, D. J. Richardson
Spectropotentiometric And Structural Analysis Of The Periplasmic Nitrate Reductase From Escherichia Coli
J. Biol. Chem. V. 282 6425 2007
PubMed-ID: 17130127  |  Reference-DOI: 10.1074/JBC.M607353200
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - PERIPLASMIC NITRATE REDUCTASE
    ChainsA, F
    EC Number1.7.99.4
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System PlasmidPJG460
    Expression System StrainLCB2048
    Expression System Taxid562
    Expression System Vector TypePLASMID
    GeneNAPA
    Organism ScientificESCHERICHIA COLI K12
    Organism Taxid83333
    StrainK-12

 Structural Features

(-) Chains, Units

  12
Asymmetric Unit AF
Biological Unit 1 (1x)A 
Biological Unit 2 (1x) F

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (3, 8)

Asymmetric Unit (3, 8)
No.NameCountTypeFull Name
16MO2Ligand/IonMOLYBDENUM(VI) ION
2MGD4Ligand/Ion2-AMINO-5,6-DIMERCAPTO-7-METHYL-3,7,8A,9-TETRAHYDRO-8-OXA-1,3,9,10-TETRAAZA-ANTHRACEN-4-ONE GUANOSINEDINUCLEOTIDE
3SF42Ligand/IonIRON/SULFUR CLUSTER
Biological Unit 1 (3, 4)
No.NameCountTypeFull Name
16MO1Ligand/IonMOLYBDENUM(VI) ION
2MGD2Ligand/Ion2-AMINO-5,6-DIMERCAPTO-7-METHYL-3,7,8A,9-TETRAHYDRO-8-OXA-1,3,9,10-TETRAAZA-ANTHRACEN-4-ONE GUANOSINEDINUCLEOTIDE
3SF41Ligand/IonIRON/SULFUR CLUSTER
Biological Unit 2 (3, 4)
No.NameCountTypeFull Name
16MO1Ligand/IonMOLYBDENUM(VI) ION
2MGD2Ligand/Ion2-AMINO-5,6-DIMERCAPTO-7-METHYL-3,7,8A,9-TETRAHYDRO-8-OXA-1,3,9,10-TETRAAZA-ANTHRACEN-4-ONE GUANOSINEDINUCLEOTIDE
3SF41Ligand/IonIRON/SULFUR CLUSTER

(-) Sites  (8, 8)

Asymmetric Unit (8, 8)
No.NameEvidenceResiduesDescription
1AC1SOFTWARECYS A:10 , PHE A:12 , CYS A:13 , CYS A:17 , CYS A:45 , LYS A:47 , GLY A:48 , PRO A:185BINDING SITE FOR RESIDUE SF4 A 2001
2AC2SOFTWARECYS A:143 , MGD A:3001 , MGD A:4001 , HOH A:4003BINDING SITE FOR RESIDUE 6MO A 2002
3AC3SOFTWAREARG A:11 , GLN A:114 , ASN A:139 , CYS A:143 , GLN A:340 , GLN A:374 , CYS A:444 , THR A:445 , ASN A:446 , ALA A:450 , SER A:472 , ASP A:473 , PRO A:474 , THR A:477 , THR A:489 , ALA A:490 , MET A:491 , LYS A:495 , ASP A:522 , THR A:682 , GLY A:683 , ARG A:684 , TRP A:689 , HIS A:690 , THR A:691 , SER A:693 , PHE A:758 , ASN A:766 , PHE A:782 , LYS A:783 , 6MO A:2002 , MGD A:4001 , HOH A:4032 , HOH A:4188 , HOH A:4231BINDING SITE FOR RESIDUE MGD A 3001
4AC4SOFTWARECYS A:13 , LYS A:47 , CYS A:143 , TRP A:176 , GLY A:177 , ASN A:179 , GLU A:182 , MET A:183 , SER A:207 , THR A:208 , TYR A:209 , HIS A:211 , PHE A:223 , GLN A:226 , ASP A:228 , THR A:335 , MET A:336 , GLY A:337 , PHE A:338 , GLY A:373 , GLN A:374 , SER A:681 , GLY A:683 , ARG A:684 , VAL A:685 , LEU A:686 , HIS A:688 , TRP A:689 , HIS A:690 , TYR A:755 , LYS A:783 , LYS A:784 , 6MO A:2002 , MGD A:3001 , HOH A:4016 , HOH A:4039 , HOH A:4123 , HOH A:4151 , HOH A:4250BINDING SITE FOR RESIDUE MGD A 4001
5AC5SOFTWARECYS F:10 , PHE F:12 , CYS F:13 , CYS F:17 , CYS F:45 , LYS F:47 , GLY F:48 , PRO F:185BINDING SITE FOR RESIDUE SF4 F 5001
6AC6SOFTWARECYS F:143 , MGD F:6001 , MGD F:7001 , HOH F:7035BINDING SITE FOR RESIDUE 6MO F 5002
7AC7SOFTWAREARG F:11 , GLN F:114 , ASN F:139 , CYS F:143 , GLN F:340 , GLN F:374 , CYS F:444 , THR F:445 , ASN F:446 , ALA F:450 , SER F:472 , ASP F:473 , PRO F:474 , THR F:477 , THR F:489 , ALA F:490 , MET F:491 , LYS F:495 , ASP F:522 , THR F:682 , GLY F:683 , ARG F:684 , TRP F:689 , HIS F:690 , THR F:691 , SER F:693 , PHE F:758 , ASN F:766 , PHE F:782 , LYS F:783 , 6MO F:5002 , MGD F:7001 , HOH F:7064 , HOH F:7242BINDING SITE FOR RESIDUE MGD F 6001
8AC8SOFTWARECYS F:13 , LYS F:47 , CYS F:143 , TRP F:176 , GLY F:177 , ASN F:179 , GLU F:182 , MET F:183 , SER F:207 , THR F:208 , TYR F:209 , HIS F:211 , PHE F:223 , GLN F:226 , ASP F:228 , THR F:335 , MET F:336 , GLY F:337 , PHE F:338 , GLY F:373 , GLN F:374 , SER F:681 , GLY F:683 , ARG F:684 , VAL F:685 , LEU F:686 , HIS F:688 , TRP F:689 , HIS F:690 , TYR F:755 , LYS F:783 , LYS F:784 , 6MO F:5002 , MGD F:6001 , HOH F:7071 , HOH F:7171 , HOH F:7259BINDING SITE FOR RESIDUE MGD F 7001

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 2NYA)

(-) Cis Peptide Bonds  (2, 2)

Asymmetric Unit
No.Residues
1Trp A:622 -Pro A:623
2Trp F:622 -Pro F:623

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2NYA)

(-) PROSITE Motifs  (2, 4)

Asymmetric Unit (2, 4)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
14FE4S_MOW_BIS_MGDPS51669 Prokaryotic molybdopterin oxidoreductases 4Fe-4S domain profile.NAPA_ECOLI39-95
 
  2A:3-59
F:3-59
2MOLYBDOPTERIN_PROK_1PS00551 Prokaryotic molybdopterin oxidoreductases signature 1.NAPA_ECOLI44-61
 
  2A:8-25
F:8-25
Biological Unit 1 (2, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
14FE4S_MOW_BIS_MGDPS51669 Prokaryotic molybdopterin oxidoreductases 4Fe-4S domain profile.NAPA_ECOLI39-95
 
  1A:3-59
-
2MOLYBDOPTERIN_PROK_1PS00551 Prokaryotic molybdopterin oxidoreductases signature 1.NAPA_ECOLI44-61
 
  1A:8-25
-
Biological Unit 2 (2, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
14FE4S_MOW_BIS_MGDPS51669 Prokaryotic molybdopterin oxidoreductases 4Fe-4S domain profile.NAPA_ECOLI39-95
 
  1-
F:3-59
2MOLYBDOPTERIN_PROK_1PS00551 Prokaryotic molybdopterin oxidoreductases signature 1.NAPA_ECOLI44-61
 
  1-
F:8-25

(-) Exons   (0, 0)

(no "Exon" information available for 2NYA)

(-) Sequences/Alignments

Asymmetric Unit
   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
  Number of residues per labelling interval =   
  UniProt sequence: complete  aligned part    
   Show mapping: SCOP domains CATH domains Pfam domains Secondary structure (by author)
SAPs(SNPs) PROSITE motifs Exons
(details for a mapped element are shown in a popup box when the mouse pointer rests over it)
Chain A from PDB  Type:PROTEIN  Length:791
 aligned with NAPA_ECOLI | P33937 from UniProtKB/Swiss-Prot  Length:828

    Alignment length:791
                                    46        56        66        76        86        96       106       116       126       136       146       156       166       176       186       196       206       216       226       236       246       256       266       276       286       296       306       316       326       336       346       356       366       376       386       396       406       416       426       436       446       456       466       476       486       496       506       516       526       536       546       556       566       576       586       596       606       616       626       636       646       656       666       676       686       696       706       716       726       736       746       756       766       776       786       796       806       816       826 
           NAPA_ECOLI    37 EAIKWDKAPCRFCGTGCGVLVGTQQGRVVACQGDPDAPVNRGLNCIKGYFLPKIMYGKDRLTQPLLRMKNGKYDKEGEFTPITWDQAFDVMEEKFKTALKEKGPESIGMFGSGQWTIWEGYAASKLFKAGFRSNNIDPNARHCMASAVVGFMRTFGMDEPMGCYDDIEQADAFVLWGANMAEMHPILWSRITNRRLSNQNVTVAVLSTYQHRSFELADNGIIFTPQSDLVILNYIANYIIQNNAINQDFFSKHVNLRKGATDIGYGLRPTHPLEKAAKNPGSDASEPMSFEDYKAFVAEYTLEKTAEMTGVPKDQLEQLAQLYADPNKKVISYWTMGFNQHTRGVWANNLVYNLHLLTGKISQPGCGPFSLTGQPSACGTAREVGTFAHRLPADMVVTNEKHRDICEKKWNIPSGTIPAKIGLHAVAQDRALKDGKLNVYWTMCTNNMQAGPNINEERMPGWRDPRNFIIVSDPYPTVSALAADLILPTAMWVEKEGAYGNAERRTQFWRQQVQAPGEAKSDLWQLVQFSRRFKTEEVWPEDLLAKKPELRGKTLYEVLYATPEVSKFPVSELAEDQLNDESRELGFYLQKGLFEEYAWFGRGHGHDLAPFDDYHKARGLRWPVVNGKETQWRYSEGNDPYVKAGEGYKFYGKPDGKAVIFALPFEPAAEAPDEEYDLWLSTGRVLEHWHTGSMTRRVPELHRAFPEAVLFIHPLDAKARDLRRGDKVKVVSRRGEVISIVETRGRNRPPQGLVYMPFFDAAQLVNKLTLDATDPLSKETDFKKCAVKLEK 827
               SCOP domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains -----------------------------------------------------------2nyaA02 A:60-138,A:376-491,A:516-587  [code=3.40.50.740, no name defined]      2nyaA03 A:139-375,A:631-667 Dimethylsulfoxide Reductase, domain 2                                                                                                                                                                            2nyaA02 A:60-138,A:376-491,A:516-587  [code=3.40.50.740, no name defined]                                           ------------------------2nyaA02 A:60-138,A:376-491,A:516-587                                    -------------------------------------------2nyaA03 A:139-375,A:631-667          2nyaA04 A:668-791  [code=2.40.40.20, no name defined]                                                                        CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...eeeeee........eeeeeee..eeeeeee...........hhhhhhhhhh..........eeee.........eeee.hhhhhhhhhhhhhhhhhhhhhhh.eeeee....hhhhhhhhhhhhhh......eee.hhh.hhhhhhhhhhhh.......hhhhhhhh.eeeee..hhhhhhhhhhhhhhhhhhh....eeeeee...hhhhhhh.eeee....hhhhhhhhhhhhhhhh...hhhhhhhheeeeee...........hhhhhh........eee.hhhhhhhhhhh.hhhhhhhhhh.hhhhhhhhhhhhhh....eeeeehhhhhh..hhhhhhhhhhhhhhhhh.......eeee.........hhhhhh.............hhhhhhhhhhhhh............hhhhhhhhhhh....eeeee..hhhhhh.....hhhhhhhh...eeeeee...hhhhhh..eeee..hhhhh.eeee....eeeee...........hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh..hhhhhhh........hhhhh.....hhhhhhhh.hhhhhhhhhhhhhhh.......hhhhhh....ee....................................eeeee...............eeeeee..........hhhhhhhhhh.....eee.hhhhhhh.......eeeeee..eeeeeeee..........eeeee......hhhhh................eeeeee. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) --4FE4S_MOW_BIS_MGD  PDB: A:3-59 UniProt: 39-95            ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE (1)
                PROSITE (2) -------MOLYBDOPTERIN_PROK---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2nya A   1 EAIKWDKAPCRFCGTGCGVLVGTQQGRVVACQGDPDAPVNRGLNCIKGYFLPKIMYGKDRLTQPLLRMKNGKYDKEGEFTPITWDQAFDVMEEKFKTALKEKGPESIGMFGSGQWTIWEGYAASKLFKAGFRSNNIDPNARHCMASAVVGFMRTFGMDEPMGCYDDIEQADAFVLWGANMAEMHPILWSRITNRRLSNQNVTVAVLSTYQHRSFELADNGIIFTPQSDLVILNYIANYIIQNNAINQDFFSKHVNLRKGATDIGYGLRPTHPLEKAAKNPGSDASEPMSFEDYKAFVAEYTLEKTAEMTGVPKDQLEQLAQLYADPNKKVISYWTMGFNQHTRGVWANNLVYNLHLLTGKISQPGCGPFSLTGQPSACGTAREVGTFAHRLPADMVVTNEKHRDICEKKWNIPSGTIPAKIGLHAVAQDRALKDGKLNVYWTMCTNNMQAGPNINEERMPGWRDPRNFIIVSDPYPTVSALAADLILPTAMWVEKEGAYGNAERRTQFWRQQVQAPGEAKSDLWQLVQFSRRFKTEEVWPEDLLAKKPELRGKTLYEVLYATPEVSKFPVSELAEDQLNDESRELGFYLQKGLFEEYAWFGRGHGHDLAPFDDYHKARGLRWPVVNGKETQWRYSEGNDPYVKAGEGYKFYGKPDGKAVIFALPFEPAAEAPDEEYDLWLSTGRVLEHWHTGSMTRRVPELHRAFPEAVLFIHPLDAKARDLRRGDKVKVVSRRGEVISIVETRGRNRPPQGLVYMPFFDAAQLVNKLTLDATDPLSKETDFKKCAVKLEK 791
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       310       320       330       340       350       360       370       380       390       400       410       420       430       440       450       460       470       480       490       500       510       520       530       540       550       560       570       580       590       600       610       620       630       640       650       660       670       680       690       700       710       720       730       740       750       760       770       780       790 

Chain F from PDB  Type:PROTEIN  Length:791
 aligned with NAPA_ECOLI | P33937 from UniProtKB/Swiss-Prot  Length:828

    Alignment length:791
                                    46        56        66        76        86        96       106       116       126       136       146       156       166       176       186       196       206       216       226       236       246       256       266       276       286       296       306       316       326       336       346       356       366       376       386       396       406       416       426       436       446       456       466       476       486       496       506       516       526       536       546       556       566       576       586       596       606       616       626       636       646       656       666       676       686       696       706       716       726       736       746       756       766       776       786       796       806       816       826 
           NAPA_ECOLI    37 EAIKWDKAPCRFCGTGCGVLVGTQQGRVVACQGDPDAPVNRGLNCIKGYFLPKIMYGKDRLTQPLLRMKNGKYDKEGEFTPITWDQAFDVMEEKFKTALKEKGPESIGMFGSGQWTIWEGYAASKLFKAGFRSNNIDPNARHCMASAVVGFMRTFGMDEPMGCYDDIEQADAFVLWGANMAEMHPILWSRITNRRLSNQNVTVAVLSTYQHRSFELADNGIIFTPQSDLVILNYIANYIIQNNAINQDFFSKHVNLRKGATDIGYGLRPTHPLEKAAKNPGSDASEPMSFEDYKAFVAEYTLEKTAEMTGVPKDQLEQLAQLYADPNKKVISYWTMGFNQHTRGVWANNLVYNLHLLTGKISQPGCGPFSLTGQPSACGTAREVGTFAHRLPADMVVTNEKHRDICEKKWNIPSGTIPAKIGLHAVAQDRALKDGKLNVYWTMCTNNMQAGPNINEERMPGWRDPRNFIIVSDPYPTVSALAADLILPTAMWVEKEGAYGNAERRTQFWRQQVQAPGEAKSDLWQLVQFSRRFKTEEVWPEDLLAKKPELRGKTLYEVLYATPEVSKFPVSELAEDQLNDESRELGFYLQKGLFEEYAWFGRGHGHDLAPFDDYHKARGLRWPVVNGKETQWRYSEGNDPYVKAGEGYKFYGKPDGKAVIFALPFEPAAEAPDEEYDLWLSTGRVLEHWHTGSMTRRVPELHRAFPEAVLFIHPLDAKARDLRRGDKVKVVSRRGEVISIVETRGRNRPPQGLVYMPFFDAAQLVNKLTLDATDPLSKETDFKKCAVKLEK 827
               SCOP domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains -----------------------------------------------------------2nyaF02 F:60-138,F:376-491,F:516-587  [code=3.40.50.740, no name defined]      2nyaF03 F:139-375,F:631-667 Dimethylsulfoxide Reductase, domain 2                                                                                                                                                                            2nyaF02 F:60-138,F:376-491,F:516-587  [code=3.40.50.740, no name defined]                                           ------------------------2nyaF02 F:60-138,F:376-491,F:516-587                                    -------------------------------------------2nyaF03 F:139-375,F:631-667          2nyaF04 F:668-791  [code=2.40.40.20, no name defined]                                                                        CATH domains
           Pfam domains (1) --Molybdop_Fe4S4-2nyaF03 F:3-57                          --Molybdopterin-2nyaF05 F:60-532                                                                                                                                                                                                                                                                                                                                                                                                                                                           -------------------------------------------------------------------------------------------------------------------------------------------------Molydop_binding-2nyaF01 F:678-786                                                                            ----- Pfam domains (1)
           Pfam domains (2) --Molybdop_Fe4S4-2nyaF04 F:3-57                          --Molybdopterin-2nyaF06 F:60-532                                                                                                                                                                                                                                                                                                                                                                                                                                                           -------------------------------------------------------------------------------------------------------------------------------------------------Molydop_binding-2nyaF02 F:678-786                                                                            ----- Pfam domains (2)
         Sec.struct. author ...eeeeee........eeeeeee..eeeeeee...........hhhhhhhhhh..........eeee.........eeee.hhhhhhhhhhhhhhhhhhhhhhh.eeeee....hhhhhhhhhhhhhhh.....eee.hhhhhhhhhhhhhhhhh......hhhhhhhh.eeeee..hhhhhhhhhhhhhhhhhhh....eeeeee.....hhhhh.eeee....hhhhhhhhhhhhhhhh...hhhhhh..eeeeee...........hhhhhh........eee.hhhhhhhhhhh.hhhhhhhhhh.hhhhhhhhhhhhhh....eeeeehhhhhh..hhhhhhhhhhhhhhhhh.......eeee.........hhhhhh.............hhhhhhhhhhhhh............hhhhhhhhhhh....eeeee..hhhhhh.....hhhhhhh....eeeeee...hhhhhh..eeeeeehhhhh.eeee....eeeee..........eehhhhhhhhhhhhhhhhh.hhhhhhhhhhhh..hhhhhhh........hhhhh.....hhhhhhhh.hhhhhhhhhhhh..........hhhhhh....ee....................................eeeee...............eeeeee..........hhhhhhhhhh......ee.hhhhhhh.......eeeee....eeeeeee..........eeeee......hhhhh................eeeeee. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) --4FE4S_MOW_BIS_MGD  PDB: F:3-59 UniProt: 39-95            ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE (1)
                PROSITE (2) -------MOLYBDOPTERIN_PROK---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2nya F   1 EAIKWDKAPCRFCGTGCGVLVGTQQGRVVACQGDPDAPVNRGLNCIKGYFLPKIMYGKDRLTQPLLRMKNGKYDKEGEFTPITWDQAFDVMEEKFKTALKEKGPESIGMFGSGQWTIWEGYAASKLFKAGFRSNNIDPNARHCMASAVVGFMRTFGMDEPMGCYDDIEQADAFVLWGANMAEMHPILWSRITNRRLSNQNVTVAVLSTYQHRSFELADNGIIFTPQSDLVILNYIANYIIQNNAINQDFFSKHVNLRKGATDIGYGLRPTHPLEKAAKNPGSDASEPMSFEDYKAFVAEYTLEKTAEMTGVPKDQLEQLAQLYADPNKKVISYWTMGFNQHTRGVWANNLVYNLHLLTGKISQPGCGPFSLTGQPSACGTAREVGTFAHRLPADMVVTNEKHRDICEKKWNIPSGTIPAKIGLHAVAQDRALKDGKLNVYWTMCTNNMQAGPNINEERMPGWRDPRNFIIVSDPYPTVSALAADLILPTAMWVEKEGAYGNAERRTQFWRQQVQAPGEAKSDLWQLVQFSRRFKTEEVWPEDLLAKKPELRGKTLYEVLYATPEVSKFPVSELAEDQLNDESRELGFYLQKGLFEEYAWFGRGHGHDLAPFDDYHKARGLRWPVVNGKETQWRYSEGNDPYVKAGEGYKFYGKPDGKAVIFALPFEPAAEAPDEEYDLWLSTGRVLEHWHTGSMTRRVPELHRAFPEAVLFIHPLDAKARDLRRGDKVKVVSRRGEVISIVETRGRNRPPQGLVYMPFFDAAQLVNKLTLDATDPLSKETDFKKCAVKLEK 791
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       310       320       330       340       350       360       370       380       390       400       410       420       430       440       450       460       470       480       490       500       510       520       530       540       550       560       570       580       590       600       610       620       630       640       650       660       670       680       690       700       710       720       730       740       750       760       770       780       790 

   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
    → Modified Residue (blue background, lower-case, 'x' indicates undefined single-letter code, labelled with number + name)
  x → Chemical Group (purple background, 'x', labelled with number + name, e.g. ACE or NH2)
  extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '|'

 Classification and Annotation

(-) SCOP Domains  (0, 0)

(no "SCOP Domain" information available for 2NYA)

(-) CATH Domains  (3, 6)

Asymmetric Unit
(-)
Class: Alpha Beta (26913)
(-)
Class: Mainly Beta (13760)

(-) Pfam Domains  (3, 6)

Asymmetric Unit

(-) Gene Ontology  (15, 15)

Asymmetric Unit(hide GO term definitions)
Chain A,F   (NAPA_ECOLI | P33937)
molecular function
    GO:0051539    4 iron, 4 sulfur cluster binding    Interacting selectively and non-covalently with a 4 iron, 4 sulfur (4Fe-4S) cluster; this cluster consists of four iron atoms, with the inorganic sulfur atoms found between the irons and acting as bridging ligands.
    GO:0009055    electron carrier activity    Any molecular entity that serves as an electron acceptor and electron donor in an electron transport chain. An electron transport chain is a process in which a series of electron carriers operate together to transfer electrons from donors to any of several different terminal electron acceptors to generate a transmembrane electrochemical gradient.
    GO:0005506    iron ion binding    Interacting selectively and non-covalently with iron (Fe) ions.
    GO:0051536    iron-sulfur cluster binding    Interacting selectively and non-covalently with an iron-sulfur cluster, a combination of iron and sulfur atoms.
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
    GO:0030151    molybdenum ion binding    Interacting selectively and non-covalently with molybdenum (Mo) ions.
    GO:0008940    nitrate reductase activity    Catalysis of the reaction: nitrite + acceptor = nitrate + reduced acceptor.
    GO:0016491    oxidoreductase activity    Catalysis of an oxidation-reduction (redox) reaction, a reversible chemical reaction in which the oxidation state of an atom or atoms within a molecule is altered. One substrate acts as a hydrogen or electron donor and becomes oxidized, while the other acts as hydrogen or electron acceptor and becomes reduced.
    GO:0005515    protein binding    Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules).
biological process
    GO:0006777    Mo-molybdopterin cofactor biosynthetic process    The chemical reactions and pathways resulting in the formation of the Mo-molybdopterin cofactor, essential for the catalytic activity of some enzymes. The cofactor consists of a mononuclear molybdenum (Mo) ion coordinated by one or two molybdopterin ligands.
    GO:0009061    anaerobic respiration    The enzymatic release of energy from inorganic and organic compounds (especially carbohydrates and fats) which uses compounds other than oxygen (e.g. nitrate, sulfate) as the terminal electron acceptor.
    GO:0042128    nitrate assimilation    The nitrogen metabolic process that encompasses the uptake of nitrate from the environment and reduction to ammonia, and results in the incorporation of nitrogen derived from nitrate into cellular substances.
    GO:0055114    oxidation-reduction process    A metabolic process that results in the removal or addition of one or more electrons to or from a substance, with or without the concomitant removal or addition of a proton or protons.
cellular component
    GO:0030288    outer membrane-bounded periplasmic space    The region between the inner (cytoplasmic or plasma) membrane and outer membrane of organisms with two membranes such as Gram negative bacteria. These periplasmic spaces are relatively thick and contain a thin peptidoglycan layer (PGL), also referred to as a thin cell wall.
    GO:0042597    periplasmic space    The region between the inner (cytoplasmic) and outer membrane (Gram-negative Bacteria) or cytoplasmic membrane and cell wall (Fungi and Gram-positive Bacteria).

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(-) Related Entries Specified in the PDB File

1ogy CRYSTAL STRUCTURE OF THE HETERODIMERIC NITRATE REDUCTASE FROM RHODOBACTER SPHAEROIDES
2nap DISSIMILATORY NITRATE REDUCTASE (NAP) FROM DESULFOVIBRIO DESULFURICANS