2C7L - JenaLib

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Title :   LOW TEMPERATURE STRUCTURE OF PHYCOERYTHROCYANIN FROM MASTIGOCLADUS LAMINOSUS

Authors :   M. Schmidt, A. Krasselt, W. Reuter

Date :   25 Nov 05 (Deposition) - 25 Jan 06 (Release) - 24 Feb 09 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   2.85

Chains :   Asym. Unit : A,B
Biol. Unit 1: A,B  (3x)

Keywords :   Phycoerythrocyanin, Phycoviolobilin, Phycocyanobilin, Bile Pigment, Chromophore, Electron Transport, Photosynthesis, Phycobilisome, Antenna Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   M. Schmidt, A. Krasselt, W. Reuter
Local Protein Flexibility As A Prerequisite For Reversible Chromophore Isomerization In Alpha- Phycoerythrocyanin
Biochim. Biophys. Acta V. 1764 55 2006
PubMed-ID: 16377266 | Reference-DOI: 10.1016/J.BBAPAP.2005.10.022

Molecule 1 - PHYCOERYTHROCYANIN ALPHA CHAIN
	Chains	:	A
	Organism Scientific	:	MASTIGOCLADUS LAMINOSUS
	Organism Taxid	:	83541
	Strain	:	FISCHERELLA PCC7603

Molecule 2 - PHYCOERYTHROCYANIN BETA CHAIN
	Chains	:	B
	Organism Scientific	:	MASTIGOCLADUS LAMINOSUS
	Organism Taxid	:	83541
	Strain	:	FISCHERELLA PCC7603

		1	2
Asymmetric Unit	:	A	B
Biological Unit 1 (3x)	:	A	B

Summary Information (see also Sequences/Alignments below)

Asymmetric Unit (2, 3)

No.	Name	Count	Type	Full Name
1	BLA	1	Ligand/Ion	BILIVERDINE IX ALPHA
2	CYC	2	Ligand/Ion	PHYCOCYANOBILIN

Biological Unit 1 (2, 9)

No.	Name	Count	Type	Full Name
1	BLA	3	Ligand/Ion	BILIVERDINE IX ALPHA
2	CYC	6	Ligand/Ion	PHYCOCYANOBILIN

Asymmetric Unit (3, 3)

No.	Name	Evidence	Residues	Description
1	AC1	SOFTWARE	ALA A:75 , LYS A:83 , CYS A:84 , ARG A:86 , ASP A:87 , TYR A:110 , PHE A:118 , LEU A:122 , LEU A:124 , TRP A:128 , TYR A:129 , ARG B:57 , VAL B:60 , PHE B:74 , HIS B:75 , HIS B:76 , GLN B:79	BINDING SITE FOR RESIDUE BLA A1163
2	AC2	SOFTWARE	CYS B:73 , ARG B:77 , ASN B:78 , CYS B:82 , ARG B:84 , ASP B:85 , LEU B:86 , PHE B:88 , ARG B:108 , CYS B:109 , LEU B:113 , LEU B:120 , THR B:122 , VAL B:127 , HOH B:2194	BINDING SITE FOR RESIDUE CYC B1173
3	AC3	SOFTWARE	LEU A:24 , GLN A:25 , PHE A:28 , ASN B:35 , LYS B:36 , LEU B:38 , ASP B:39 , ASN B:42 , ALA B:142 , ASN B:143 , ASP B:144 , ILE B:148 , THR B:149 , LYS B:150 , GLY B:151 , CYS B:153 , SER B:154 , SER B:158 , HOH B:2178 , HOH B:2195 , HOH B:2197	BINDING SITE FOR RESIDUE CYC B1174

(no "SS Bond" information available for 2C7L)

(no "Cis Peptide Bond" information available for 2C7L)

(no "SAP(SNP)/Variant" information available for 2C7L)

(no "PROSITE Motif" information available for 2C7L)

(no "Exon" information available for 2C7L)

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:162
 aligned with PHEA_MASLA | P00309 from UniProtKB/Swiss-Prot  Length:162

    Alignment length:162
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160  
           PHEA_MASLA     1 MKTPLTEAIAAADLRGSYLSNTELQAVFGRFNRARAGLEAARAFANNGKKWAEAAANHVYQKFPYTTQMQGPQYASTPEGKAKCVRDIDHYLRTISYCCVVGGTGPLDDYVVAGLKEFNSALGLSPSWYIAALEFVRDNHGLTGDVAGEANTYINYAINALS 162
               SCOP domains d2c7la_ A: automated matches                                                                                                                                       SCOP domains
               CATH domains 2c7lA00 A:1-162 Phycocyanins                                                                                                                                       CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ..hhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.........hhhhhhhhhhhhhhhhhhhhhhhhhh.hhhhhhhh..hhhhhhhhh..hhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 2c7l A   1 MKTPLTEAIAAADLRGSYLSNTELQAVFGRFNRARAGLEAARAFANNGKKWAEAAANHVYQKFPYTTQMQGPQYASTPEGKAKCVRDIDHYLRTISYCCVVGGTGPLDDYVVAGLKEFNSALGLSPSWYIAALEFVRDNHGLTGDVAGEANTYINYAINALS 162
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160

Chain B from PDB  Type:PROTEIN  Length:172
 aligned with PHEB_MASLA | P00313 from UniProtKB/Swiss-Prot  Length:172

    Alignment length:172
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170  
           PHEB_MASLA     1 MLDAFSRVVEQADKKGAYLSNDEINALQAIVADSNKRLDVVNRLTSNASSIVANAYRALVAERPQVFNPGGPCFHHRNQAACIRDLGFILRYVTYSVLAGDTSVMDDRCLNGLRETYQALGTPGDAVASGIKKMKEAALKIANDPNGITKGDCSQLMSELASYFDRAAAAVA 172
               SCOP domains d2c7lb_ B: automated matches                                                                                                                                                 SCOP domains
               CATH domains 2c7lB00 B:1-172 Phycocyanins                                                                                                                                                 CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..hhhhhhhhhhhh.....hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh......hhhhhhhhhhhhhhhhhhhhhhhhhh.hhhhhhh...hhhhhhhhhh..hhhhhhhhhhhhhhhhhhhh.........hhhhhhhhhhhhhhhhh... Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2c7l B   1 MLDAFSRVVEQADKKGAYLSNDEINALQAIVADSNKRLDVVNRLTSNASSIVANAYRALVAERPQVFNPGGPCFHHRNQAACIRDLGFILRYVTYSVLAGDTSVMDDRCLNGLRETYQALGTPGDAVASGIKKMKEAALKIANDPNGITKGDCSQLMSELASYFDRAAAAVA 172
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170

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 '\|'

Asymmetric Unit

Classes(

)

Folds(

)

Superfamilies( (-)

)

Families(

)

Protein Domains( (-)

)

Organisms( (-)

)

Class: All alpha proteins (14657)

Fold: Globin-like (1351)

Superfamily: Globin-like (1308)

Family: Phycocyanin-like phycobilisome proteins (65)

Protein domain: automated matches (19)

Mastigocladus laminosus [TaxId: 83541] (3)

1a	d2c7la_	A:
1b	d2c7lb_	B:

Asymmetric Unit

Classes(

)

Architectures( (-)

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Topologies( (-)

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Homologous Superfamilies( (-)

)

Organisms( (-)

)

Class: Mainly Alpha (13335)

Architecture: Orthogonal Bundle (10391)

Topology: Globin-like (786)

Homologous Superfamily: Phycocyanins (32)

Mastigocladus laminosus. Organism_taxid: 83541. Strain: fischerella pcc7603. (3)

1a	2c7lB00	B:1-172
1b	2c7lA00	A:1-162

(no "Pfam Domain" information available for 2C7L)

Asymmetric Unit(hide GO term definitions)

Chain A (PHEA_MASLA | P00309)

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.
	GO:0018298	protein-chromophore linkage	The covalent or noncovalent attachment of a chromophore to a protein.
cellular component
	GO:0016020	membrane	A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
	GO:0030089	phycobilisome	Any of the granules, approximately 32 nm x 48 nm and consisting of highly aggregated phycobiliproteins, that are attached in arrays to the external face of a thylakoid membrane in algae of the phyla Cyanophyta and Rhodophyta, where they function as light-harvesting devices in photosynthesis. Excitation energy in the phycobilisome flows in the sequence: phycoerythrin, phycocyanin, allophycocyanin before passing to the antenna chlorophyll of photosystem II.
	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.
	GO:0042651	thylakoid membrane	The pigmented membrane of any thylakoid.

Chain B (PHEB_MASLA | P00313)

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.
	GO:0018298	protein-chromophore linkage	The covalent or noncovalent attachment of a chromophore to a protein.
cellular component
	GO:0016020	membrane	A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
	GO:0030089	phycobilisome	Any of the granules, approximately 32 nm x 48 nm and consisting of highly aggregated phycobiliproteins, that are attached in arrays to the external face of a thylakoid membrane in algae of the phyla Cyanophyta and Rhodophyta, where they function as light-harvesting devices in photosynthesis. Excitation energy in the phycobilisome flows in the sequence: phycoerythrin, phycocyanin, allophycocyanin before passing to the antenna chlorophyll of photosystem II.
	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.
	GO:0042651	thylakoid membrane	The pigmented membrane of any thylakoid.

Asymmetric Unit
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	2c7l
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UniProtKB/Swiss-Prot
	PHEA_MASLA \| P00309	:	2c7j 2c7k 2j96
	PHEB_MASLA \| P00313	:	2c7j 2c7k

2c7j	LAUE STRUCTURE OF PHYCOERYTHROCYANIN FROM MASTIGOCLADUS LAMINOSUS
2c7k	LOW TEMPERATURE STRUCTURE OF PHYCOERYTHROCYANIN FROM MASTIGOCLADUS LAMINOSUS

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