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(-) Description

Title :  MCL-1 BOUND TO ALPHA BETA PUMA BH3 PEPTIDE 2
 
Authors :  B. J. Smith, E. F. Lee, J. W. Checco, S. H. Gellman, W. D. Fairlie
Date :  27 May 13  (Deposition) - 09 Apr 14  (Release) - 15 Mar 17  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.98
Chains :  Asym. Unit :  A,B
Biol. Unit 1:  A,B  (2x)
Keywords :  Apoptosis, Chimera, Bim (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  B. J. Smith, E. F. Lee, J. W. Checco, M. Evangelista, S. H. Gellman, W. D. Fairlie
Structure-Guided Rational Design Of Alpha/Beta-Peptide Foldamers With High Affinity For Bcl-2 Family Prosurvival Proteins.
Chembiochem V. 14 1564 2013
PubMed-ID: 23929624  |  Reference-DOI: 10.1002/CBIC.201300351

(-) Compounds

Molecule 1 - FUSION PROTEIN CONSISTING OF INDUCED MYELOID LEUKEMIA CELL DIFFERENTIATION PROTEIN MCL-1 HOMOLOG
    ChainsA
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System PlasmidPGEX6P3
    Expression System StrainBL21(DE3)
    Expression System Taxid469008
    Expression System Vector TypePLASMID
    FragmentFUSION PROTEIN OF MOUSE MCL-1, RESIDUES 152-189 AND HUMAN MCL-1, RESIDUES 209-327
    Organism CommonHOUSE MOUSE, HUMAN
    Organism ScientificMUS MUSCULUS, HOMO SAPIENS
    Organism Taxid10090, 9606
    SynonymBCL-2-RELATED PROTEIN EAT/MCL1, BCL-2-LIKE PROTEIN 3, BCL2- L-3, BCL-2-RELATED PROTEIN EAT/MCL1, MCL1/EAT, MCL-1 BCL-2-LIKE PROTEIN 3, BCL2-L-3, BCL-2-RELATED PROTEIN EAT/MCL1, MCL1/EAT
 
Molecule 2 - ALPHA BETA BH3PEPTIDE
    ChainsB
    EngineeredYES
    Organism CommonHUMAN
    Organism ScientificHOMO SAPIENS
    Organism Taxid9606
    SyntheticYES

 Structural Features

(-) Chains, Units

  12
Asymmetric Unit AB
Biological Unit 1 (2x)AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (6, 10)

Asymmetric Unit (6, 10)
No.NameCountTypeFull Name
1B3A1Mod. Amino Acid(3S)-3-AMINOBUTANOIC ACID
2B3D1Mod. Amino Acid3-AMINOPENTANEDIOIC ACID
3B3E1Mod. Amino Acid(3S)-3-AMINOHEXANEDIOIC ACID
4B3Q1Mod. Amino Acid(3S)-3,6-DIAMINO-6-OXOHEXANOIC ACID
5CD5Ligand/IonCADMIUM ION
6HR71Mod. Amino Acid(3S)-3-AMINO-6-[(DIAMINOMETHYLIDENE)AMINO]HEXANOIC ACID
Biological Unit 1 (5, 10)
No.NameCountTypeFull Name
1B3A2Mod. Amino Acid(3S)-3-AMINOBUTANOIC ACID
2B3D2Mod. Amino Acid3-AMINOPENTANEDIOIC ACID
3B3E2Mod. Amino Acid(3S)-3-AMINOHEXANEDIOIC ACID
4B3Q2Mod. Amino Acid(3S)-3,6-DIAMINO-6-OXOHEXANOIC ACID
5CD-1Ligand/IonCADMIUM ION
6HR72Mod. Amino Acid(3S)-3-AMINO-6-[(DIAMINOMETHYLIDENE)AMINO]HEXANOIC ACID

(-) Sites  (5, 5)

Asymmetric Unit (5, 5)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREHIS A:277 , HOH A:2006 , B3D B:100BINDING SITE FOR RESIDUE CD A 1323
2AC2SOFTWARECYS A:286 , GLU A:288 , HOH A:2015 , HOH A:2016BINDING SITE FOR RESIDUE CD A 1324
3AC3SOFTWAREHIS A:252 , ASP A:304 , B3E B:89BINDING SITE FOR RESIDUE CD A 1325
4AC4SOFTWAREASP A:236 , ILE A:237 , HIS A:277BINDING SITE FOR RESIDUE CD A 1326
5AC5SOFTWAREHOH A:2017BINDING SITE FOR RESIDUE CD A 1327

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 4BPI)

(-) Cis Peptide Bonds  (0, 0)

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

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (3, 3)

Asymmetric Unit (3, 3)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
1UniProtVAR_024021E173DMCL1_HUMANPolymorphism2737820AD173D
2UniProtVAR_024022A227VMCL1_HUMANPolymorphism11580946AA227V
3UniProtVAR_054157M231LMCL1_HUMANPolymorphism140449444AM231L

  SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)
Biological Unit 1 (3, 6)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
1UniProtVAR_024021E173DMCL1_HUMANPolymorphism2737820AD173D
2UniProtVAR_024022A227VMCL1_HUMANPolymorphism11580946AA227V
3UniProtVAR_054157M231LMCL1_HUMANPolymorphism140449444AM231L

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

(-) PROSITE Motifs  (4, 4)

Asymmetric Unit (4, 4)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1BH3PS01259 Apoptosis regulator, Bcl-2 family BH3 motif signature.MCL1_MOUSE190-204  1A:209-223
MCL1_HUMAN209-223  1A:209-223
2BCL2_FAMILYPS50062 BCL2-like apoptosis inhibitors family profile.MCL1_MOUSE194-295  1A:213-314
MCL1_HUMAN213-314  1A:213-314
3BH1PS01080 Apoptosis regulator, Bcl-2 family BH1 motif signature.MCL1_MOUSE234-253  1A:253-272
MCL1_HUMAN253-272  1A:253-272
4BH2PS01258 Apoptosis regulator, Bcl-2 family BH2 motif signature.MCL1_MOUSE286-297  1A:305-316
MCL1_HUMAN305-316  1A:305-316
Biological Unit 1 (4, 16)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1BH3PS01259 Apoptosis regulator, Bcl-2 family BH3 motif signature.MCL1_MOUSE190-204  2A:209-223
MCL1_HUMAN209-223  2A:209-223
2BCL2_FAMILYPS50062 BCL2-like apoptosis inhibitors family profile.MCL1_MOUSE194-295  2A:213-314
MCL1_HUMAN213-314  2A:213-314
3BH1PS01080 Apoptosis regulator, Bcl-2 family BH1 motif signature.MCL1_MOUSE234-253  2A:253-272
MCL1_HUMAN253-272  2A:253-272
4BH2PS01258 Apoptosis regulator, Bcl-2 family BH2 motif signature.MCL1_MOUSE286-297  2A:305-316
MCL1_HUMAN305-316  2A:305-316

(-) Exons   (0, 0)

(no "Exon" information available for 4BPI)

(-) 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:141
 aligned with MCL1_HUMAN | Q07820 from UniProtKB/Swiss-Prot  Length:350

    Alignment length:151
                                   181       191       201       211       221       231       241       251       261       271       281       291       301       311       321 
           MCL1_HUMAN   172 DELYRQSLEIISRYLREQATGAKDTKPMGRSGATSRKALETLRRVGDGVQRNHETAFQGMLRKLDIKNEDDVKSLSRVMIHVFSDGVTNWGRIVTLISFGAFVAKHLKTINQESCIEPLAESITDVLVRTKRDWLVKQRGWDGFVEFFHVE 322
               SCOP domains ------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhhhhhhhhhhh..----------hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.......hhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhh....hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh... Sec.struct. author
                 SAPs(SNPs) -D-----------------------------------------------------V---L------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) -------------------------------------BH3            ---------------------------------------------------------------------------------BH2         ------ PROSITE (1)
                PROSITE (2) -----------------------------------------BCL2_FAMILY  PDB: A:213-314 UniProt: 213-314                                                          -------- PROSITE (2)
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4bpi A 172 DDLYRQSLEIISRYLREQATGS----------AAGRRALETLRRVGDGVQRNHETAFQGMLRKLDIKNEDDVKSLSRVMIHVFSDGVTNWGRIVTLISFGAFVAKHLKTINQESCIEPLAESITDVLVRTKRDWLVKQRGWDGFVEFFHVE 322
                                   181       191 |       -  |    211       221       231       241       251       261       271       281       291       301       311       321 
                                               193        204                                                                                                                      

Chain A from PDB  Type:PROTEIN  Length:141
 aligned with MCL1_MOUSE | P97287 from UniProtKB/Swiss-Prot  Length:331

    Alignment length:151
                                   162       172       182       192       202       212       222       232       242       252       262       272       282       292       302 
           MCL1_MOUSE   153 DDLYRQSLEIISRYLREQATGSKDSKPLGEAGAAGRRALETLRRVGDGVQRNHETAFQGMLRKLDIKNEGDVKSFSRVMVHVFKDGVTNWGRIVTLISFGAFVAKHLKSVNQESFIEPLAETITDVLVRTKRDWLVKQRGWDGFVEFFHVQ 303
               SCOP domains ------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhhhhhhhhhhh..----------hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.......hhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhh....hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh... Sec.struct. author
                 SAPs(SNPs) -D-----------------------------------------------------V---L------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) -------------------------------------BH3            -----------------------------BH1  PDB: A:253-272 --------------------------------BH2         ------ PROSITE (1)
                PROSITE (2) -----------------------------------------BCL2_FAMILY  PDB: A:213-314 UniProt: 194-295                                                          -------- PROSITE (2)
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4bpi A 172 DDLYRQSLEIISRYLREQATGS----------AAGRRALETLRRVGDGVQRNHETAFQGMLRKLDIKNEDDVKSLSRVMIHVFSDGVTNWGRIVTLISFGAFVAKHLKTINQESCIEPLAESITDVLVRTKRDWLVKQRGWDGFVEFFHVE 322
                                   181       191 |       -  |    211       221       231       241       251       261       271       281       291       301       311       321 
                                               193        204                                                                                                                      

Chain B from PDB  Type:PROTEIN  Length:19
 aligned with BBC3_HUMAN | Q9BXH1 from UniProtKB/Swiss-Prot  Length:193

    Alignment length:19
                                   143         
           BBC3_HUMAN   134 AREIGAQLRRMADDLNAQY 152
               SCOP domains ------------------- SCOP domains
               CATH domains ------------------- CATH domains
               Pfam domains ------------------- Pfam domains
         Sec.struct. author .hhhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ------------------- SAPs(SNPs)
                    PROSITE ------------------- PROSITE
                 Transcript ------------------- Transcript
                 4bpi B  87 AEeIGAxLRrMADdLNaQY 105
                              |   | 96   |  |  
                              |   |  |   |  |  
                             89-B3E  |   |  |  
                                 93-B3Q  |  |  
                                    96-HR7  |  
                                       100-B3D 
                                          103-B3A

   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 4BPI)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 4BPI)

(-) Pfam Domains  (0, 0)

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

(-) Gene Ontology  (57, 91)

Asymmetric Unit(hide GO term definitions)
Chain A   (MCL1_MOUSE | P97287)
molecular function
    GO:0051434    BH3 domain binding    Interacting selectively and non-covalently with the BH3 domain of a protein of the Bcl-2 family. The BH3 domain is a potent death domain and has an important role in protein-protein interactions and in cell death.
    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).
    GO:0046982    protein heterodimerization activity    Interacting selectively and non-covalently with a nonidentical protein to form a heterodimer.
    GO:0042803    protein homodimerization activity    Interacting selectively and non-covalently with an identical protein to form a homodimer.
biological process
    GO:0008637    apoptotic mitochondrial changes    The morphological and physiological alterations undergone by mitochondria during apoptosis.
    GO:0006915    apoptotic process    A programmed cell death process which begins when a cell receives an internal (e.g. DNA damage) or external signal (e.g. an extracellular death ligand), and proceeds through a series of biochemical events (signaling pathway phase) which trigger an execution phase. The execution phase is the last step of an apoptotic process, and is typically characterized by rounding-up of the cell, retraction of pseudopodes, reduction of cellular volume (pyknosis), chromatin condensation, nuclear fragmentation (karyorrhexis), plasma membrane blebbing and fragmentation of the cell into apoptotic bodies. When the execution phase is completed, the cell has died.
    GO:0030154    cell differentiation    The process in which relatively unspecialized cells, e.g. embryonic or regenerative cells, acquire specialized structural and/or functional features that characterize the cells, tissues, or organs of the mature organism or some other relatively stable phase of the organism's life history. Differentiation includes the processes involved in commitment of a cell to a specific fate and its subsequent development to the mature state.
    GO:0097192    extrinsic apoptotic signaling pathway in absence of ligand    A series of molecular signals in which a signal is conveyed from the cell surface to trigger the apoptotic death of a cell. The pathway starts with withdrawal of a ligand from a cell surface receptor, and ends when the execution phase of apoptosis is triggered.
    GO:0008630    intrinsic apoptotic signaling pathway in response to DNA damage    A series of molecular signals in which an intracellular signal is conveyed to trigger the apoptotic death of a cell. The pathway is induced by the detection of DNA damage, and ends when the execution phase of apoptosis is triggered.
    GO:0007275    multicellular organism development    The biological process whose specific outcome is the progression of a multicellular organism over time from an initial condition (e.g. a zygote or a young adult) to a later condition (e.g. a multicellular animal or an aged adult).
    GO:2000811    negative regulation of anoikis    Any process that stops, prevents or reduces the frequency, rate or extent of anoikis.
    GO:0043066    negative regulation of apoptotic process    Any process that stops, prevents, or reduces the frequency, rate or extent of cell death by apoptotic process.
    GO:2001240    negative regulation of extrinsic apoptotic signaling pathway in absence of ligand    Any process that stops, prevents or reduces the frequency, rate or extent of extrinsic apoptotic signaling pathway in absence of ligand.
    GO:2001243    negative regulation of intrinsic apoptotic signaling pathway    Any process that stops, prevents or reduces the frequency, rate or extent of intrinsic apoptotic signaling pathway.
    GO:1903378    positive regulation of oxidative stress-induced neuron intrinsic apoptotic signaling pathway    Any process that activates or increases the frequency, rate or extent of oxidative stress-induced neuron intrinsic apoptotic signaling pathway.
    GO:0042981    regulation of apoptotic process    Any process that modulates the occurrence or rate of cell death by apoptotic process.
    GO:2001020    regulation of response to DNA damage stimulus    Any process that modulates the frequency, rate or extent of response to DNA damage stimulus.
    GO:0034097    response to cytokine    Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a cytokine stimulus.
cellular component
    GO:0097136    Bcl-2 family protein complex    A protein complex that consists of members of the Bcl-2 family of anti- and proapoptotic regulators. Bcl-2 proteins respond to cues from various forms of intracellular stress, such as DNA damage or cytokine deprivation, and interact with opposing family members to determine whether or not the caspase proteolytic cascade should be unleashed.
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
    GO:0005829    cytosol    The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
    GO:0016021    integral component of membrane    The component of a membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane.
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
    GO:0005759    mitochondrial matrix    The gel-like material, with considerable fine structure, that lies in the matrix space, or lumen, of a mitochondrion. It contains the enzymes of the tricarboxylic acid cycle and, in some organisms, the enzymes concerned with fatty acid oxidation.
    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.
    GO:0005654    nucleoplasm    That part of the nuclear content other than the chromosomes or the nucleolus.
    GO:0005634    nucleus    A membrane-bounded organelle of eukaryotic cells in which chromosomes are housed and replicated. In most cells, the nucleus contains all of the cell's chromosomes except the organellar chromosomes, and is the site of RNA synthesis and processing. In some species, or in specialized cell types, RNA metabolism or DNA replication may be absent.

Chain A   (MCL1_HUMAN | Q07820)
molecular function
    GO:0051434    BH3 domain binding    Interacting selectively and non-covalently with the BH3 domain of a protein of the Bcl-2 family. The BH3 domain is a potent death domain and has an important role in protein-protein interactions and in cell death.
    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).
    GO:0015266    protein channel activity    Enables the energy-independent facilitated diffusion, mediated by passage of proteins through a transmembrane aqueous pore or channel.
    GO:0046982    protein heterodimerization activity    Interacting selectively and non-covalently with a nonidentical protein to form a heterodimer.
    GO:0042803    protein homodimerization activity    Interacting selectively and non-covalently with an identical protein to form a homodimer.
biological process
    GO:0008637    apoptotic mitochondrial changes    The morphological and physiological alterations undergone by mitochondria during apoptosis.
    GO:0006915    apoptotic process    A programmed cell death process which begins when a cell receives an internal (e.g. DNA damage) or external signal (e.g. an extracellular death ligand), and proceeds through a series of biochemical events (signaling pathway phase) which trigger an execution phase. The execution phase is the last step of an apoptotic process, and is typically characterized by rounding-up of the cell, retraction of pseudopodes, reduction of cellular volume (pyknosis), chromatin condensation, nuclear fragmentation (karyorrhexis), plasma membrane blebbing and fragmentation of the cell into apoptotic bodies. When the execution phase is completed, the cell has died.
    GO:0030154    cell differentiation    The process in which relatively unspecialized cells, e.g. embryonic or regenerative cells, acquire specialized structural and/or functional features that characterize the cells, tissues, or organs of the mature organism or some other relatively stable phase of the organism's life history. Differentiation includes the processes involved in commitment of a cell to a specific fate and its subsequent development to the mature state.
    GO:0001709    cell fate determination    A process involved in cell fate commitment. Once determination has taken place, a cell becomes committed to differentiate down a particular pathway regardless of its environment.
    GO:0019725    cellular homeostasis    Any process involved in the maintenance of an internal steady state at the level of the cell.
    GO:0097192    extrinsic apoptotic signaling pathway in absence of ligand    A series of molecular signals in which a signal is conveyed from the cell surface to trigger the apoptotic death of a cell. The pathway starts with withdrawal of a ligand from a cell surface receptor, and ends when the execution phase of apoptosis is triggered.
    GO:0008630    intrinsic apoptotic signaling pathway in response to DNA damage    A series of molecular signals in which an intracellular signal is conveyed to trigger the apoptotic death of a cell. The pathway is induced by the detection of DNA damage, and ends when the execution phase of apoptosis is triggered.
    GO:0007275    multicellular organism development    The biological process whose specific outcome is the progression of a multicellular organism over time from an initial condition (e.g. a zygote or a young adult) to a later condition (e.g. a multicellular animal or an aged adult).
    GO:2000811    negative regulation of anoikis    Any process that stops, prevents or reduces the frequency, rate or extent of anoikis.
    GO:0043066    negative regulation of apoptotic process    Any process that stops, prevents, or reduces the frequency, rate or extent of cell death by apoptotic process.
    GO:2001240    negative regulation of extrinsic apoptotic signaling pathway in absence of ligand    Any process that stops, prevents or reduces the frequency, rate or extent of extrinsic apoptotic signaling pathway in absence of ligand.
    GO:2001243    negative regulation of intrinsic apoptotic signaling pathway    Any process that stops, prevents or reduces the frequency, rate or extent of intrinsic apoptotic signaling pathway.
    GO:1903378    positive regulation of oxidative stress-induced neuron intrinsic apoptotic signaling pathway    Any process that activates or increases the frequency, rate or extent of oxidative stress-induced neuron intrinsic apoptotic signaling pathway.
    GO:0071806    protein transmembrane transport    The directed movement of a protein across a membrane by means of some agent such as a transporter or pore.
    GO:0042981    regulation of apoptotic process    Any process that modulates the occurrence or rate of cell death by apoptotic process.
    GO:2001020    regulation of response to DNA damage stimulus    Any process that modulates the frequency, rate or extent of response to DNA damage stimulus.
    GO:0034097    response to cytokine    Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a cytokine stimulus.
cellular component
    GO:0097136    Bcl-2 family protein complex    A protein complex that consists of members of the Bcl-2 family of anti- and proapoptotic regulators. Bcl-2 proteins respond to cues from various forms of intracellular stress, such as DNA damage or cytokine deprivation, and interact with opposing family members to determine whether or not the caspase proteolytic cascade should be unleashed.
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
    GO:0005829    cytosol    The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
    GO:0016021    integral component of membrane    The component of a membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane.
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
    GO:0005759    mitochondrial matrix    The gel-like material, with considerable fine structure, that lies in the matrix space, or lumen, of a mitochondrion. It contains the enzymes of the tricarboxylic acid cycle and, in some organisms, the enzymes concerned with fatty acid oxidation.
    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.
    GO:0005654    nucleoplasm    That part of the nuclear content other than the chromosomes or the nucleolus.
    GO:0005634    nucleus    A membrane-bounded organelle of eukaryotic cells in which chromosomes are housed and replicated. In most cells, the nucleus contains all of the cell's chromosomes except the organellar chromosomes, and is the site of RNA synthesis and processing. In some species, or in specialized cell types, RNA metabolism or DNA replication may be absent.

Chain B   (BBC3_HUMAN | Q9BXH1)
molecular function
    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:0006919    activation of cysteine-type endopeptidase activity involved in apoptotic process    Any process that initiates the activity of the inactive enzyme cysteine-type endopeptidase in the context of an apoptotic process.
    GO:0006915    apoptotic process    A programmed cell death process which begins when a cell receives an internal (e.g. DNA damage) or external signal (e.g. an extracellular death ligand), and proceeds through a series of biochemical events (signaling pathway phase) which trigger an execution phase. The execution phase is the last step of an apoptotic process, and is typically characterized by rounding-up of the cell, retraction of pseudopodes, reduction of cellular volume (pyknosis), chromatin condensation, nuclear fragmentation (karyorrhexis), plasma membrane blebbing and fragmentation of the cell into apoptotic bodies. When the execution phase is completed, the cell has died.
    GO:0097190    apoptotic signaling pathway    A series of molecular signals which triggers the apoptotic death of a cell. The pathway starts with reception of a signal, and ends when the execution phase of apoptosis is triggered.
    GO:0006974    cellular response to DNA damage stimulus    Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a stimulus indicating damage to its DNA from environmental insults or errors during metabolism.
    GO:0071456    cellular response to hypoxia    Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a stimulus indicating lowered oxygen tension. Hypoxia, defined as a decline in O2 levels below normoxic levels of 20.8 - 20.95%, results in metabolic adaptation at both the cellular and organismal level.
    GO:0008340    determination of adult lifespan    The control of viability and duration in the adult phase of the life-cycle.
    GO:0097194    execution phase of apoptosis    A stage of the apoptotic process that starts with the controlled breakdown of the cell through the action of effector caspases or other effector molecules (e.g. cathepsins, calpains etc.). Key steps of the execution phase are rounding-up of the cell, retraction of pseudopodes, reduction of cellular volume (pyknosis), chromatin condensation, nuclear fragmentation (karyorrhexis), plasma membrane blebbing and fragmentation of the cell into apoptotic bodies. When the execution phase is completed, the cell has died.
    GO:0097193    intrinsic apoptotic signaling pathway    A series of molecular signals in which an intracellular signal is conveyed to trigger the apoptotic death of a cell. The pathway starts with reception of an intracellular signal (e.g. DNA damage, endoplasmic reticulum stress, oxidative stress etc.), and ends when the execution phase of apoptosis is triggered. The intrinsic apoptotic signaling pathway is crucially regulated by permeabilization of the mitochondrial outer membrane (MOMP).
    GO:0070059    intrinsic apoptotic signaling pathway in response to endoplasmic reticulum stress    A series of molecular signals in which an intracellular signal is conveyed to trigger the apoptotic death of a cell. The pathway is induced in response to a stimulus indicating endoplasmic reticulum (ER) stress, and ends when the execution phase of apoptosis is triggered. ER stress usually results from the accumulation of unfolded or misfolded proteins in the ER lumen.
    GO:0032471    negative regulation of endoplasmic reticulum calcium ion concentration    Any process that decreases the concentration of calcium ions in the endoplasmic reticulum.
    GO:0045926    negative regulation of growth    Any process that stops, prevents or reduces the rate or extent of growth, the increase in size or mass of all or part of an organism.
    GO:1903896    positive regulation of IRE1-mediated unfolded protein response    Any process that activates or increases the frequency, rate or extent of the IRE1-mediated unfolded protein response.
    GO:0043065    positive regulation of apoptotic process    Any process that activates or increases the frequency, rate or extent of cell death by apoptotic process.
    GO:2001056    positive regulation of cysteine-type endopeptidase activity    Any process that activates or increases the frequency, rate or extent of cysteine-type endopeptidase activity.
    GO:1902237    positive regulation of endoplasmic reticulum stress-induced intrinsic apoptotic signaling pathway    Any process that activates or increases the frequency, rate or extent of an endoplasmic reticulum stress-induced intrinsic apoptotic signaling pathway.
    GO:2001244    positive regulation of intrinsic apoptotic signaling pathway    Any process that activates or increases the frequency, rate or extent of intrinsic apoptotic signaling pathway.
    GO:0043525    positive regulation of neuron apoptotic process    Any process that activates or increases the frequency, rate or extent of cell death of neurons by apoptotic process.
    GO:0032464    positive regulation of protein homooligomerization    Any process that activates or increases the frequency, rate or extent of protein homooligomerization.
    GO:1900740    positive regulation of protein insertion into mitochondrial membrane involved in apoptotic signaling pathway    Any process that activates or increases the frequency, rate or extent of protein insertion into mitochondrial membrane involved in apoptotic signaling pathway.
    GO:0090200    positive regulation of release of cytochrome c from mitochondria    Any process that increases the rate, frequency or extent of release of cytochrome c from mitochondria, the process in which cytochrome c is enabled to move from the mitochondrial intermembrane space into the cytosol, which is an early step in apoptosis and leads to caspase activation.
    GO:0070245    positive regulation of thymocyte apoptotic process    Any process that activates or increases the frequency, rate or extent of thymocyte death by apoptotic process.
    GO:0001844    protein insertion into mitochondrial membrane involved in apoptotic signaling pathway    The process in which a protein is incorporated into a mitochondrial membrane as the initial phase of the mitochondrial membrane permeabilization that takes place in the apoptotic signaling pathway.
    GO:0042981    regulation of apoptotic process    Any process that modulates the occurrence or rate of cell death by apoptotic process.
    GO:0001836    release of cytochrome c from mitochondria    The process that results in the movement of cytochrome c from the mitochondrial intermembrane space into the cytosol, which is part of the apoptotic signaling pathway and leads to caspase activation.
    GO:0051209    release of sequestered calcium ion into cytosol    The process in which calcium ions sequestered in the endoplasmic reticulum, Golgi apparatus or mitochondria are released into the cytosolic compartment.
    GO:0034976    response to endoplasmic reticulum stress    Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a stress acting at the endoplasmic reticulum. ER stress usually results from the accumulation of unfolded or misfolded proteins in the ER lumen.
cellular component
    GO:0005829    cytosol    The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
    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: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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 Related Entries

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

UniProtKB/Swiss-Prot
        BBC3_HUMAN | Q9BXH12m04 4bpj 4bpk 4hnj 5uul
        MCL1_HUMAN | Q078202kbw 2mhs 2nl9 2nla 2pqk 3d7v 3io9 3kj0 3kj1 3kj2 3kz0 3mk8 3pk1 3twu 3wix 3wiy 4bpj 4hw2 4hw3 4hw4 4oq5 4oq6 4wgi 4wmr 4wms 4wmt 4wmu 4wmv 4wmw 4wmx 4zbf 4zbi 5c3f 5c6h 5fc4 5fdo 5fdr 5iez 5if4 5jsb 5ku9 5lof 5mes 5mev 5uum 5vkc
        MCL1_MOUSE | P972871wsx 2jm6 2nl9 2nla 2roc 2rod 3d7v 3io9 4bpj 4g35 5ku9 5mes 5mev

(-) Related Entries Specified in the PDB File

4bpj MCL-1 BOUND TO ALPHA BETA PUMA BH3 PEPTIDE 3
4bpk BCL-XL BOUND TO ALPHA BETA PUMA BH3 PEPTIDE 5