1CYJ - JenaLib

Title :   CYTOCHROME C6

Authors :   C. A. Kerfeld, T. O. Yeates

Date :   09 May 95 (Deposition) - 29 Jan 96 (Release) - 16 Nov 11 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   1.90

Chains :   Asym./Biol. Unit : A

Keywords :   Photosynthesis, Chlamydomonas, Electron Transport Protein (Cytochrome) (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   C. A. Kerfeld, H. P. Anwar, R. Interrante, S. Merchant, T. O. Yeates
The Structure Of Chloroplast Cytochrome C6 At 1. 9 A Resolution: Evidence For Functional Oligomerization.
J. Mol. Biol. V. 250 627 1995
PubMed-ID: 7623381 | Reference-DOI: 10.1006/JMBI.1995.0404
(for further references see the PDB file header)

Compounds

Structural Features

Chains, Units

Ligands, Modified Residues, Ions (2, 5)

Sites (5, 5)

Asymmetric Unit (5, 5)

No.	Name	Evidence	Residues	Description
1	AC1	SOFTWARE	ASP A:41 , GLU A:71 , HOH A:421	BINDING SITE FOR RESIDUE CD A 300
2	AC2	SOFTWARE	ASP A:2 , GLU A:47 , HOH A:424 , HOH A:428	BINDING SITE FOR RESIDUE CD A 301
3	AC3	SOFTWARE	GLU A:54 , GLU A:69 , HOH A:403 , HOH A:412 , HOH A:419	BINDING SITE FOR RESIDUE CD A 302
4	AC4	SOFTWARE	GLU A:47 , GLU A:70 , HOH A:422 , HOH A:456	BINDING SITE FOR RESIDUE CD A 303
5	AC5	SOFTWARE	CYS A:14 , CYS A:17 , HIS A:18 , ASN A:23 , VAL A:25 , LYS A:29 , THR A:30 , ALA A:35 , TYR A:39 , LEU A:40 , GLN A:52 , LYS A:57 , ALA A:59 , MET A:60 , HOH A:450	BINDING SITE FOR RESIDUE HEM A 200

SS Bonds (0, 0)

Cis Peptide Bonds (0, 0)

Sequence-Structure Mapping

SAPs(SNPs)/Variants (0, 0)

PROSITE Motifs (1, 1)

Exons (0, 0)

Sequences/Alignments

Asymmetric/Biological 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

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Chain A from PDB  Type:PROTEIN  Length:90
 aligned with CYC6_CHLRE | P08197 from UniProtKB/Swiss-Prot  Length:148

    Alignment length:90
                                    68        78        88        98       108       118       128       138       148
           CYC6_CHLRE    59 ADLALGAQVFNGNCAACHMGGRNSVMPEKTLDKAALEQYLDGGFKVESIIYQVENGKGAMPAWADRLSEEEIQAVAEYVFKQATDAAWKY 148
               SCOP domains d1cyja_ A: Cytochrome c6 (synonym: cytochrome c553)                                        SCOP domains
               CATH domains 1cyjA00 A:1-90 Cytochrome c                                                                CATH domains
               Pfam domains ------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ..hhhhhhhhhhh...................hhhhhhh......hhhhhhhhhh.............hhhhhhhhhhhhhhhhh..... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE CYTC  PDB: A:1-83 UniProt: 59-141                                                  ------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------ Transcript
                 1cyj A   1 ADLALGAQVFNGNCAACHMGGRNSVMPEKTLDKAALEQYLDGGFKVESIIYQVENGKGAMPAWADRLSEEEIQAVAEYVFKQATDAAWKY  90
                                    10        20        30        40        50        60        70        80        90

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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, 1)

CATH Domains (1, 1)

Pfam Domains (0, 0)

Gene Ontology (10, 10)

Asymmetric/Biological Unit(hide GO term definitions)

Chain A (CYC6_CHLRE | P08197)

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:0020037	heme binding	Interacting selectively and non-covalently with heme, any compound of iron complexed in a porphyrin (tetrapyrrole) ring.
	GO:0005506	iron ion binding	Interacting selectively and non-covalently with iron (Fe) ions.
	GO:0046872	metal ion binding	Interacting selectively and non-covalently with any metal ion.
biological process
	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:0015979	photosynthesis	The synthesis by organisms of organic chemical compounds, especially carbohydrates, from carbon dioxide (CO2) using energy obtained from light rather than from the oxidation of chemical compounds.
cellular component
	GO:0009507	chloroplast	A chlorophyll-containing plastid with thylakoids organized into grana and frets, or stroma thylakoids, and embedded in a stroma.
	GO:0009543	chloroplast thylakoid lumen	The cavity enclosed within the chloroplast thylakoid membrane. An example of this component is found in Arabidopsis thaliana.
	GO:0009536	plastid	Any member of a family of organelles found in the cytoplasm of plants and some protists, which are membrane-bounded and contain DNA. Plant plastids develop from a common type, the proplastid.
	GO:0009579	thylakoid	A membranous cellular structure that bears the photosynthetic pigments in plants, algae, and cyanobacteria. In cyanobacteria thylakoids are of various shapes and are attached to, or continuous with, the plasma membrane. In eukaryotes they are flattened, membrane-bounded disk-like structures located in the chloroplasts; in the chloroplasts of higher plants the thylakoids form dense stacks called grana. Isolated thylakoid preparations can carry out photosynthetic electron transport and the associated phosphorylation.

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