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(-) Description

Title :  NITROPHORIN 1 COMPLEX WITH NITRIC OXIDE
 
Authors :  A. Weichsel, J. F. Andersen, F. A. Walker, W. R. Montfort
Date :  26 Jun 98  (Deposition) - 11 Nov 98  (Release) - 01 Aug 12  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.30
Chains :  Asym. Unit :  A,B
Biol. Unit 1:  A  (1x)
Biol. Unit 2:  B  (1x)
Keywords :  Nitric Oxide Transport, Heme, Antihistamine, Vasodilator, Lipocalin (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  X. D. Ding, A. Weichsel, J. F. Andersen, T. Kh. Shokhireva, C. Balfour, A. Pierik, B. A. Averill, W. R. Montfort, F. A. Walker
Nitric Oxide Binding To The Ferri-And Ferroheme States Of Nitrophorin 1, A Reversible No-Binding Heme Protein From Th Saliva Of The Blood-Sucking Insect, Rhodnius Prolixus
To Be Published
PubMed: search
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - NITROPHORIN 1
    Cell Line: BL21
    Chains: A, B
    Engineered: YES
    Expression System: ESCHERICHIA COLI BL21(DE3)
    Expression System Plasmid: PET17B-NP1
    Expression System Strain: BL21 (DE3)
    Expression System Taxid: 469008
    Expression System Vector: PET17B
    Organ: SALIVARY GLAND
    Organism Scientific: RHODNIUS PROLIXUS
    Organism Taxid: 13249
    Synonym: NP1

 Structural Features

(-) Chains, Units

  12
Asymmetric Unit : AB
Biological Unit 1 (1x): A 
Biological Unit 2 (1x):  B

Summary Information (see also Sequences/Alignments below)

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

Asymmetric Unit (3, 8)
No.NameCountTypeFull Name
1HEM2Ligand/IonPROTOPORPHYRIN IX CONTAINING FE
2NO2Ligand/IonNITRIC OXIDE
3PO44Ligand/IonPHOSPHATE ION
Biological Unit 1 (2, 3)
No.NameCountTypeFull Name
1HEM1Ligand/IonPROTOPORPHYRIN IX CONTAINING FE
2NO-1Ligand/IonNITRIC OXIDE
3PO42Ligand/IonPHOSPHATE ION
Biological Unit 2 (2, 3)
No.NameCountTypeFull Name
1HEM1Ligand/IonPROTOPORPHYRIN IX CONTAINING FE
2NO-1Ligand/IonNITRIC OXIDE
3PO42Ligand/IonPHOSPHATE ION

(-) Sites  (8, 8)

Asymmetric Unit (8, 8)
No.NameEvidenceResiduesDescription
1AC1SOFTWARETYR A:28 , TYR A:40 , LEU A:44 , LEU A:57 , HIS A:59 , ASP A:70 , PHE A:86 , LYS A:88 , TYR A:105 , LEU A:123 , LYS A:125 , LEU A:130 , NO A:186 , HOH A:312 , HOH A:380BINDING SITE FOR RESIDUE HEM A 185
2AC2SOFTWARELEU A:133 , HEM A:185BINDING SITE FOR RESIDUE NO A 186
3AC3SOFTWARETYR B:28 , ASP B:34 , TYR B:40 , LEU B:57 , HIS B:59 , PHE B:68 , ASP B:70 , PHE B:86 , LYS B:88 , TYR B:105 , LEU B:123 , LYS B:125 , NO B:186BINDING SITE FOR RESIDUE HEM B 185
4AC4SOFTWAREHEM B:185BINDING SITE FOR RESIDUE NO B 186
5AC5SOFTWAREASP A:113 , PO4 A:188BINDING SITE FOR RESIDUE PHS A 187
6AC6SOFTWAREASP A:113 , SER A:115 , LYS A:148 , HOH A:326 , HOH A:402BINDING SITE FOR RESIDUE PO4 A 188
7AC7SOFTWAREPO4 B:188BINDING SITE FOR RESIDUE PHS B 187
8AC8SOFTWAREASP B:113 , SER B:115 , SER B:116 , LYS B:148 , HOH B:404 , HOH B:409BINDING SITE FOR RESIDUE PO4 B 188

(-) SS Bonds  (4, 4)

Asymmetric Unit
No.Residues
1A:2 -A:122
2A:41 -A:171
3B:2 -B:122
4B:41 -B:171

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 4NP1)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 4NP1)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 4NP1)

(-) Exons   (0, 0)

(no "Exon" information available for 4NP1)

(-) 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:184
                                                                                                                                                                                                                        
               SCOP domains d4np1a_ A: Nitrophorin 1                                                                                                                                                                 SCOP domains
               CATH domains 4np1A00 A:1-184  [code=2.40.128.20, no name defined]                                                                                                                                     CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .............hhhh...eeeeeeeeee..........eeeeeeeee..eeeeeeeee......eeeeeeeeeeee..eeeeeeeee.............eeeeeeeeee...eeeeeeeeee......eeeeeee........hhhhhhhhhh...hhh...hhh......hhhhhh.... Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4np1 A   1 KCTKNALAQTGFNKDKYFNGDVWYVTDYLDLEPDDVPKRYCAALAAGTASGKLKEALYHYDPKTQDTFYDVSELQEESPGKYTANFKKVEKNGNVKVDVTSGNYYTFTVMYADDSSALIHTCLHKGNKDLGDLYAVLNRNKDTNAGDKVKGAVTAASLKFSDFISTKDNKCEYDNVSLKSLLTK 184
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180    


Chain B from PDB  Type:PROTEIN  Length:184
                                                                                                                                                                                                                        
               SCOP domains d4np1b_ B: Nitrophorin 1                                                                                                                                                                 SCOP domains
               CATH domains 4np1B00 B:1-184  [code=2.40.128.20, no name defined]                                                                                                                                     CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .............hhhh....eeeeeeeee.........eeeeeeeeee..eeeeeeeeee.....eeeeeeeeeeee..eeeeeeeee.............eeeeeeeeee...eeeeeeeeee.....eeeeeeee........hhhhhhhhhh...hhh....hhh.....hhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4np1 B   1 KCTKNALAQTGFNKDKYFNGDVWYVTDYLDLEPDDVPKRYCAALAAGTASGKLKEALYHYDPKTQDTFYDVSELQEESPGKYTANFKKVEKNGNVKVDVTSGNYYTFTVMYADDSSALIHTCLHKGNKDLGDLYAVLNRNKDTNAGDKVKGAVTAASLKFSDFISTKDNKCEYDNVSLKSLLTK 184
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180
   Legend:   → Mismatch (orange background)
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  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  (1, 2)

Asymmetric Unit
(-)
Class: All beta proteins (24004)

(-) CATH Domains  (1, 2)

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

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 4NP1)

(-) Gene Ontology  (6, 6)

Asymmetric Unit(hide GO term definitions)

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        NP1_RHOPR | Q26239: 1np1 1u17 1u18 2np1 3np1

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