1CRC - JenaLib

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Title :   CYTOCHROME C AT LOW IONIC STRENGTH

Authors :   R. Sanishvili, K. W. Volz, E. M. Westbrook, E. Margoliash

Date :   22 Mar 95 (Deposition) - 08 Mar 96 (Release) - 24 Feb 09 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   2.08

Chains :   Asym. Unit : A,B
Biol. Unit 1: A  (1x)
Biol. Unit 2: B  (1x)

Keywords :   Ferric Form, Low Ionic Strength, Mitochondrial Electron Transport (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   R. Sanishvili, K. W. Volz, E. M. Westbrook, E. Margoliash
The Low Ionic Strength Crystal Structure Of Horse Cytochrome C At 2. 1 A Resolution And Comparison With Its High Ionic Strength Counterpart.
Structure V. 3 707 1995
PubMed-ID: 8591047 | Reference-DOI: 10.1016/S0969-2126(01)00205-2
(for further references see the PDB file header)

Molecule 1 - CYTOCHROME C
	Chains	:	A, B
	Organ	:	HEART
	Organism Common	:	HORSE
	Organism Scientific	:	EQUUS CABALLUS
	Organism Taxid	:	9796

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

Summary Information (see also Sequences/Alignments below)

Asymmetric Unit (2, 4)

No.	Name	Count	Type	Full Name
1	ACE	2	Mod. Amino Acid	ACETYL GROUP
2	HEM	2	Ligand/Ion	PROTOPORPHYRIN IX CONTAINING FE

Biological Unit 1 (2, 2)

No.	Name	Count	Type	Full Name
1	ACE	1	Mod. Amino Acid	ACETYL GROUP
2	HEM	1	Ligand/Ion	PROTOPORPHYRIN IX CONTAINING FE

Biological Unit 2 (2, 2)

No.	Name	Count	Type	Full Name
1	ACE	1	Mod. Amino Acid	ACETYL GROUP
2	HEM	1	Ligand/Ion	PROTOPORPHYRIN IX CONTAINING FE

Asymmetric Unit (2, 2)

No.	Name	Evidence	Residues	Description
1	AC1	SOFTWARE	LYS A:13 , CYS A:14 , CYS A:17 , HIS A:18 , GLY A:29 , PRO A:30 , THR A:40 , GLY A:41 , TYR A:48 , THR A:49 , ASN A:52 , TRP A:59 , TYR A:67 , THR A:78 , LYS A:79 , MET A:80 , ILE A:81 , PHE A:82 , HOH A:107 , HOH A:110	BINDING SITE FOR RESIDUE HEM A 105
2	AC2	SOFTWARE	LYS A:55 , LYS B:13 , CYS B:14 , CYS B:17 , HIS B:18 , THR B:28 , PRO B:30 , LEU B:32 , LEU B:35 , THR B:40 , GLY B:41 , GLN B:42 , PHE B:46 , TYR B:48 , THR B:49 , ASN B:52 , TRP B:59 , TYR B:67 , THR B:78 , LYS B:79 , MET B:80 , ILE B:81 , PHE B:82 , HOH B:112	BINDING SITE FOR RESIDUE HEM B 105

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

(no "Cis Peptide Bond" information available for 1CRC)

(no "SAP(SNP)/Variant" information available for 1CRC)

Asymmetric Unit (1, 2)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	CYTC	PS51007	Cytochrome c family profile.	CYC_HORSE	2-103	2	A:1-102 B:1-102

Biological Unit 1 (1, 1)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	CYTC	PS51007	Cytochrome c family profile.	CYC_HORSE	2-103	1	A:1-102 -

Biological Unit 2 (1, 1)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	CYTC	PS51007	Cytochrome c family profile.	CYC_HORSE	2-103	1	- B:1-102

(no "Exon" information available for 1CRC)

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
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Chain A from PDB  Type:PROTEIN  Length:105
 aligned with CYC_HORSE | P00004 from UniProtKB/Swiss-Prot  Length:105

    Alignment length:105
                                    10        20        30        40        50        60        70        80        90       100     
            CYC_HORSE     1 MGDVEKGKKIFVQKCAQCHTVEKGGKHKTGPNLHGLFGRKTGQAPGFTYTDANKNKGITWKEETLMEYLENPKKYIPGTKMIFAGIKKKTEREDLIAYLKKATNE 105
               SCOP domains d1crca_ A: Mitochondrial cytochrome c                                                                     SCOP domains
               CATH domains -1crcA00 A:1-104 Cytochrome c                                                                             CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..hhhhhhhhhhhhh..................................hhhhhhh....hhhhhhhhhhhhhhhh...........hhhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -CYTC  PDB: A:1-102 UniProt: 2-103                                                                     -- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------- Transcript
                 1crc A   0 xGDVEKGKKIFVQKCAQCHTVEKGGKHKTGPNLHGLFGRKTGQAPGFTYTDANKNKGITWKEETLMEYLENPKKYIPGTKMIFAGIKKKTEREDLIAYLKKATNE 104
                            |        9        19        29        39        49        59        69        79        89        99     
                            |                                                                                                        
                            0-ACE

Chain B from PDB  Type:PROTEIN  Length:105
 aligned with CYC_HORSE | P00004 from UniProtKB/Swiss-Prot  Length:105

    Alignment length:105
                                    10        20        30        40        50        60        70        80        90       100     
            CYC_HORSE     1 MGDVEKGKKIFVQKCAQCHTVEKGGKHKTGPNLHGLFGRKTGQAPGFTYTDANKNKGITWKEETLMEYLENPKKYIPGTKMIFAGIKKKTEREDLIAYLKKATNE 105
               SCOP domains d1crcb_ B: Mitochondrial cytochrome c                                                                     SCOP domains
               CATH domains -1crcB00 B:1-104 Cytochrome c                                                                             CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..hhhhhhhhhhhhh.............................................hhhhhhhhhhhhhhhh...........hhhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -CYTC  PDB: B:1-102 UniProt: 2-103                                                                     -- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------- Transcript
                 1crc B   0 xGDVEKGKKIFVQKCAQCHTVEKGGKHKTGPNLHGLFGRKTGQAPGFTYTDANKNKGITWKEETLMEYLENPKKYIPGTKMIFAGIKKKTEREDLIAYLKKATNE 104
                            |        9        19        29        39        49        59        69        79        89        99     
                            0-ACE

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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 '\|'

Asymmetric Unit

Classes(

)

Folds(

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Superfamilies( (-)

)

Families(

)

Protein Domains( (-)

)

Organisms( (-)

)

Class: All alpha proteins (14657)

Fold: Cytochrome c (308)

Superfamily: Cytochrome c (308)

Family: monodomain cytochrome c (197)

Protein domain: Mitochondrial cytochrome c (81)

Horse (Equus caballus) [TaxId: 9796] (21)

1a	d1crca_	A:
1b	d1crcb_	B:

Asymmetric Unit

Classes(

)

Architectures( (-)

)

Topologies( (-)

)

Homologous Superfamilies( (-)

)

Organisms( (-)

)

Class: Mainly Alpha (13335)

Architecture: Orthogonal Bundle (10391)

Topology: Cytochrome Bc1 Complex; Chain D, domain 2 (279)

Homologous Superfamily: Cytochrome c (279)

Horse (Equus caballus) (13)

1a	1crcA00	A:1-104
1b	1crcB00	B:1-104

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

Asymmetric Unit(hide GO term definitions)

Chain A,B (CYC_HORSE | P00004)

molecular function
	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:0045155	electron transporter, transferring electrons from CoQH2-cytochrome c reductase complex and cytochrome c oxidase complex activity	Enables the directed movement of electrons from the CoQH2-cytochrome c reductase complex and the cytochrome c oxidase complex.
	GO:0020037	heme binding	Interacting selectively and non-covalently with heme, any compound of iron complexed in a porphyrin (tetrapyrrole) ring.
	GO:0046872	metal ion binding	Interacting selectively and non-covalently with any metal ion.
biological 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:0006123	mitochondrial electron transport, cytochrome c to oxygen	The transfer of electrons from cytochrome c to oxygen that occurs during oxidative phosphorylation, mediated by the multisubunit enzyme known as complex IV.
	GO:0006122	mitochondrial electron transport, ubiquinol to cytochrome c	The transfer of electrons from ubiquinol to cytochrome c that occurs during oxidative phosphorylation, mediated by the multisubunit enzyme known as complex III.
	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:0043280	positive regulation of cysteine-type endopeptidase activity involved in apoptotic process	Any process that activates or increases the activity of a cysteine-type endopeptidase involved in the apoptotic process.
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:0005758	mitochondrial intermembrane space	The region between the inner and outer lipid bilayers 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:0070469	respiratory chain	The protein complexes that form the electron transport system (the respiratory chain), associated with a cell membrane, usually the plasma membrane (in prokaryotes) or the inner mitochondrial membrane (on eukaryotes). The respiratory chain complexes transfer electrons from an electron donor to an electron acceptor and are associated with a proton pump to create a transmembrane electrochemical gradient.

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