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(-) Description

Title :  A THEORETICAL MODEL OF NADH-CYTOCHROME B5 REDUCTASE (HUMAN)
 
Authors :  R. Ravulapalli, S. Muruganantham
Date :  26 Jul 02  (Deposition) - 14 Aug 02  (Release) - 14 Aug 02  (Revision)
Method :  THEORETICAL MODEL
Resolution :  NOT APPLICABLE
Chains :  Theor. Model :  A
Keywords :  Oxidoreductase, Flavoprotein, Fad, Nad, Membrane, Myristate, Lipoprotein, Endoplasmic Reticulum, Disease Mutatio, Polymorphism (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  R. Ravulapalli, S. Muruganantham
A Theoretical Model Of Nadh-Cytochrome B5 Reductase (Human)
To Be Published
PubMed: search
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - NADH-CYTOCHROME B5 REDUCTASE
    ChainsA
    EC Number1.6.2.2
    Organism CommonHUMAN
    Organism ScientificHOMO SAPIENS

 Structural Features

(-) Chains, Units

  
Theoretical Model 

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (0, 0)

(no "Ligand,Modified Residues,Ions" information available for 1M91)

(-) Sites  (0, 0)

(no "Site" information available for 1M91)

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1M91)

(-) Cis Peptide Bonds  (1, 1)

Theoretical Model
No.Residues
1Gly A:143 -Pro A:144

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (11, 11)

Theoretical Model (11, 11)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
01UniProtVAR_004619R58QNB5R3_HUMANDisease (METHB-CYB5R3)121965007AR57Q
02UniProtVAR_018419S66PNB5R3_HUMANPolymorphism1130706AS65P
03UniProtVAR_010750L73PNB5R3_HUMANDisease (METHB-CYB5R3)121965013AL72P
04UniProtVAR_004620V106MNB5R3_HUMANDisease (METHB-CYB5R3)121965009AV105M
05UniProtVAR_010751T117SNB5R3_HUMANPolymorphism1800457AT116S
06UniProtVAR_004621S128PNB5R3_HUMANDisease (METHB-CYB5R3)121965006AS127P
07UniProtVAR_004622L149PNB5R3_HUMANDisease (METHB-CYB5R3)121965008AL148P
08UniProtVAR_010752A179VNB5R3_HUMANDisease (METHB-CYB5R3)201232518AA178V
09UniProtVAR_010753C204RNB5R3_HUMANDisease (METHB-CYB5R3)121965011AC203R
10UniProtVAR_010754C204YNB5R3_HUMANDisease (METHB-CYB5R3)121965015AC203Y
11UniProtVAR_037316G292DNB5R3_HUMANDisease (METHB-CYB5R3)121965016AG291D

  SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)

(-) PROSITE Motifs  (1, 1)

Theoretical Model (1, 1)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1FAD_FRPS51384 Ferredoxin reductase-type FAD binding domain profile.NB5R3_HUMAN40-152  1A:39-151

(-) Exons   (9, 9)

Theoretical Model (9, 9)
 ENSEMBLUniProtKBPDB
No.Transcript IDExonExon IDGenome LocationLengthIDLocationLengthCountLocationLength
1.1aENST000003523971aENSE00001892790chr22:43045574-43045301274NB5R3_HUMAN1-771A:1-66
1.3bENST000003523973bENSE00001651348chr22:43032852-43032721132NB5R3_HUMAN8-51441A:7-5044
1.4bENST000003523974bENSE00000656632chr22:43027456-4302738473NB5R3_HUMAN52-76251A:51-7525
1.4dENST000003523974dENSE00001785090chr22:43026994-43026888107NB5R3_HUMAN76-111361A:75-11036
1.5ENST000003523975ENSE00001676775chr22:43024287-43024158130NB5R3_HUMAN112-155441A:111-15444
1.6bENST000003523976bENSE00001804814chr22:43023694-4302361184NB5R3_HUMAN155-183291A:154-18229
1.7ENST000003523977ENSE00001725986chr22:43023395-4302331086NB5R3_HUMAN183-211291A:182-21029
1.8ENST000003523978ENSE00001695409chr22:43019894-43019795100NB5R3_HUMAN212-245341A:211-24434
1.9fENST000003523979fENSE00000880579chr22:43015951-430148141138NB5R3_HUMAN245-301571A:244-30057

(-) Sequences/Alignments

Theoretical Model
   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:300
 aligned with NB5R3_HUMAN | P00387 from UniProtKB/Swiss-Prot  Length:301

    Alignment length:300
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281       291       301
          NB5R3_HUMAN     2 GAQLSTLGHMVLFPVWFLYSLLMKLFQRSTPAITLESPDIKYPLRLIDREIISHDTRRFRFALPSPQHILGLPVGQHIYLSARIDGNLVVRPYTPISSDDDKGFVDLVIKVYFKDTHPKFPAGGKMSQYLESMQIGDTIEFRGPSGLLVYQGKGKFAIRPDKKSNPIIRTVKSVGMIAGGTGITPMLQVIRAIMKDPDDHTVCHLLFANQTEKDILLRPELEELRNKHSARFKLWYTLDRAPEAWDYGQGFVNEEMIRDHLPPPEEEPLVLMCGPPPMIQYACLPNLDHVGHPTERCFVF 301
               SCOP domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author .........................................eeeeeeeeee.....eeeeee..............eeeeeeee..eeeeeee..........eeeee...............hhhhhhhhhh....eeeeeeee..eeeee..eeee........eeee..eeeeeee..hhhhhhhhhhhhhhh.....eeeeeeee.hhhhh..hhhhhhhhhhhh..eeeeeee.........ee...hhhhhhhhh......eeeeee.hhhhhhhhhhhhhhhhh.hhh.eee. Sec.struct. author
             SAPs(SNPs) (1) --------------------------------------------------------Q-------P------P--------------------------------M----------S----------P--------------------P-----------------------------V------------------------R---------------------------------------------------------------------------------------D--------- SAPs(SNPs) (1)
             SAPs(SNPs) (2) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------Y------------------------------------------------------------------------------------------------- SAPs(SNPs) (2)
                    PROSITE --------------------------------------FAD_FR  PDB: A:39-151 UniProt: 40-152                                                                            ----------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
           Transcript 1 (1) 1.1a  Exon 1.3b  PDB: A:7-50 UniProt: 8-51        Exon 1.4b  PDB: A:51-75  -----------------------------------Exon 1.5  PDB: A:111-154 UniProt: 112-155   ---------------------------Exon 1.7  PDB: A:182-210     Exon 1.8  PDB: A:211-244          -------------------------------------------------------- Transcript 1 (1)
           Transcript 1 (2) --------------------------------------------------------------------------Exon 1.4d  PDB: A:75-110            -------------------------------------------Exon 1.6b  PDB: A:154-182    -------------------------------------------------------------Exon 1.9f  PDB: A:244-300 UniProt: 245-301                Transcript 1 (2)
                 1m91 A   1 GAQLSTLGHMVLFPVWFLYSLLMKLFQRSTPAITLESPDIKYPLRLIDREIISHDTRRFRFALPSPQHILGLPVGQHIYLSARIDGNLVVRPYTPISSDDDKGFVDLVIKVYFKDTHPKFPAGGKMSQYLESMQIGDTIEFRGPSGLLVYQGKGKFAIRPDKKSNPIIRTVKSVGMIAGGTGITPMLQVIRAIMKDPDDHTVCHLLFANQTEKDILLRPELEELRNKHSARFKLWYTLDRAPEAWDYGQGFVNEEMIRDHLPPPEEEPLVLMCGPPPMIQYACLPNLDHVGHPTERCFVF 300
                                    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

   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 1M91)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 1M91)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1M91)

(-) Gene Ontology  (26, 26)

Theoretical Model(hide GO term definitions)
Chain A   (NB5R3_HUMAN | P00387)
molecular function
    GO:0043531    ADP binding    Interacting selectively and non-covalently with ADP, adenosine 5'-diphosphate.
    GO:0016208    AMP binding    Interacting selectively and non-covalently with AMP, adenosine monophosphate.
    GO:0071949    FAD binding    Interacting selectively and non-covalently with the oxidized form, FAD, of flavin-adenine dinucleotide, the coenzyme or the prosthetic group of various flavoprotein oxidoreductase enzymes.
    GO:0051287    NAD binding    Interacting selectively and non-covalently with nicotinamide adenine dinucleotide, a coenzyme involved in many redox and biosynthetic reactions; binding may be to either the oxidized form, NAD+, or the reduced form, NADH.
    GO:0004128    cytochrome-b5 reductase activity, acting on NAD(P)H    Catalysis of the reaction: NAD(P)H + H+ + 2 ferricytochrome b(5) = NAD(P)+ + 2 ferrocytochrome b(5).
    GO:0050660    flavin adenine dinucleotide binding    Interacting selectively and non-covalently with FAD, flavin-adenine dinucleotide, the coenzyme or the prosthetic group of various flavoprotein oxidoreductase enzymes, in either the oxidized form, FAD, or the reduced form, FADH2.
    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.
biological process
    GO:0019852    L-ascorbic acid metabolic process    The chemical reactions and pathways involving L-ascorbic acid, (2R)-2-[(1S)-1,2-dihydroxyethyl]-4-hydroxy-5-oxo-2,5-dihydrofuran-3-olate; L-ascorbic acid is vitamin C and has co-factor and anti-oxidant activities in many species.
    GO:0008015    blood circulation    The flow of blood through the body of an animal, enabling the transport of nutrients to the tissues and the removal of waste products.
    GO:0006695    cholesterol biosynthetic process    The chemical reactions and pathways resulting in the formation of cholesterol, cholest-5-en-3 beta-ol, the principal sterol of vertebrates and the precursor of many steroids, including bile acids and steroid hormones.
    GO:0008203    cholesterol metabolic process    The chemical reactions and pathways involving cholesterol, cholest-5-en-3 beta-ol, the principal sterol of vertebrates and the precursor of many steroids, including bile acids and steroid hormones. It is a component of the plasma membrane lipid bilayer and of plasma lipoproteins and can be found in all animal tissues.
    GO:0006629    lipid metabolic process    The chemical reactions and pathways involving lipids, compounds soluble in an organic solvent but not, or sparingly, in an aqueous solvent. Includes fatty acids; neutral fats, other fatty-acid esters, and soaps; long-chain (fatty) alcohols and waxes; sphingoids and other long-chain bases; glycolipids, phospholipids and sphingolipids; and carotenes, polyprenols, sterols, terpenes and other isoprenoids.
    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.
    GO:0006694    steroid biosynthetic process    The chemical reactions and pathways resulting in the formation of steroids, compounds with a 1,2,cyclopentanoperhydrophenanthrene nucleus; includes de novo formation and steroid interconversion by modification.
    GO:0008202    steroid metabolic process    The chemical reactions and pathways involving steroids, compounds with a 1,2,cyclopentanoperhydrophenanthrene nucleus.
    GO:0016126    sterol biosynthetic process    The chemical reactions and pathways resulting in the formation of sterols, steroids with one or more hydroxyl groups and a hydrocarbon side-chain in the molecule.
cellular component
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
    GO:0005783    endoplasmic reticulum    The irregular network of unit membranes, visible only by electron microscopy, that occurs in the cytoplasm of many eukaryotic cells. The membranes form a complex meshwork of tubular channels, which are often expanded into slitlike cavities called cisternae. The ER takes two forms, rough (or granular), with ribosomes adhering to the outer surface, and smooth (with no ribosomes attached).
    GO:0005789    endoplasmic reticulum membrane    The lipid bilayer surrounding the endoplasmic reticulum.
    GO:0070062    extracellular exosome    A vesicle that is released into the extracellular region by fusion of the limiting endosomal membrane of a multivesicular body with the plasma membrane. Extracellular exosomes, also simply called exosomes, have a diameter of about 40-100 nm.
    GO:0005833    hemoglobin complex    An iron-containing, oxygen carrying complex. In vertebrates it is made up of two pairs of associated globin polypeptide chains, each chain carrying a noncovalently bound heme prosthetic group.
    GO:0005811    lipid droplet    An intracellular non-membrane-bounded organelle comprising a matrix of coalesced lipids surrounded by a phospholipid monolayer. May include associated proteins.
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
    GO:0005743    mitochondrial inner membrane    The inner, i.e. lumen-facing, lipid bilayer of the mitochondrial envelope. It is highly folded to form cristae.
    GO:0005741    mitochondrial outer membrane    The outer, i.e. cytoplasm-facing, lipid bilayer of the mitochondrial envelope.
    GO:0005739    mitochondrion    A semiautonomous, self replicating organelle that occurs in varying numbers, shapes, and sizes in the cytoplasm of virtually all eukaryotic cells. It is notably the site of tissue respiration.

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    Gly A:143 - Pro A:144   [ RasMol ]  
 

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 Related Entries

(-) Entries Sharing at Least One Protein Chain (UniProt ID)

UniProtKB/Swiss-Prot
        NB5R3_HUMAN | P003871umk

(-) Related Entries Specified in the PDB File

1i7p 1I7P CONTAINS RAT B5R IN COMPLEX WITH FAD
1ndh 1NDH CONTAINS NADH-CYTOCHROME B5 REDUCTASE FROM PIG LIVER AT 2.4 A RESOLUTION