1QHQ - JenaLib

Title :   AURACYANIN, A BLUE COPPER PROTEIN FROM THE GREEN THERMOPHILIC PHOTOSYNTHETIC BACTERIUM CHLOROFLEXUS AURANTIACUS

Authors :   C. S. Bond, R. E. Blankenship, H. C. Freeman, J. M. Guss, M. Maher, F. Selv M. C. J. Wilce, K. Willingham

Date :   25 May 99 (Deposition) - 07 Mar 01 (Release) - 13 Jul 11 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   1.55

Chains :   Asym. Unit : A
Biol. Unit 1: A  (1x)
Biol. Unit 2: A  (4x)
Biol. Unit 3: A  (2x)

Keywords :   Electron Transfer, Cupredoxin, Blue Copper Protein, Azurin-Like, Thermophile (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   C. S. Bond, R. E. Blankenship, H. C. Freeman, J. M. Guss, M. J. Maher, F. M. Selvaraj, M. C. Wilce, K. M. Willingham
Crystal Structure Of Auracyanin, A "Blue" Copper Protein From The Green Thermophilic Photosynthetic Bacterium Chloroflexus Aurantiacus.
J. Mol. Biol. V. 306 47 2001
PubMed-ID: 11178893 | Reference-DOI: 10.1006/JMBI.2000.4201

Compounds

Structural Features

Chains, Units

Ligands, Modified Residues, Ions (3, 4)

Asymmetric Unit (3, 4)

No.	Name	Count	Type	Full Name
1	CL	1	Ligand/Ion	CHLORIDE ION
2	CU	1	Ligand/Ion	COPPER (II) ION
3	SO4	2	Ligand/Ion	SULFATE ION

Biological Unit 1 (1, 2)

No.	Name	Count	Type	Full Name
1	CL	-1	Ligand/Ion	CHLORIDE ION
2	CU	-1	Ligand/Ion	COPPER (II) ION
3	SO4	2	Ligand/Ion	SULFATE ION

Biological Unit 2 (1, 8)

No.	Name	Count	Type	Full Name
1	CL	-1	Ligand/Ion	CHLORIDE ION
2	CU	-1	Ligand/Ion	COPPER (II) ION
3	SO4	8	Ligand/Ion	SULFATE ION

Biological Unit 3 (1, 4)

No.	Name	Count	Type	Full Name
1	CL	-1	Ligand/Ion	CHLORIDE ION
2	CU	-1	Ligand/Ion	COPPER (II) ION
3	SO4	4	Ligand/Ion	SULFATE ION

Sites (5, 5)

Asymmetric Unit (5, 5)

No.	Name	Evidence	Residues	Description
1	AC1	SOFTWARE	GLN A:56 , HIS A:57 , CYS A:122 , HIS A:127 , MET A:132	BINDING SITE FOR RESIDUE CU A 141
2	AC2	SOFTWARE	HIS A:127	BINDING SITE FOR RESIDUE CL A 142
3	AC3	SOFTWARE	ARG A:44 , HOH A:190 , HOH A:196	BINDING SITE FOR RESIDUE SO4 A 143
4	AC4	SOFTWARE	GLY A:64 , GLY A:65 , ASP A:66 , ASP A:67 , VAL A:68 , HOH A:320 , HOH A:333 , HOH A:362 , HOH A:365	BINDING SITE FOR RESIDUE SO4 A 144
5	CU	AUTHOR	CU A:141 , HIS A:57 , CYS A:122 , HIS A:127 , MET A:132	TYPE I BLUE COPPER SITE

SS Bonds (0, 0)

Cis Peptide Bonds (0, 0)

Sequence-Structure Mapping

SAPs(SNPs)/Variants (0, 0)

PROSITE Motifs (2, 2)

Asymmetric Unit (2, 2)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	COPPER_BLUE	PS00196	Type-1 copper (blue) proteins signature.	AURB_CHLAA	211-227	1	A:116-132
2	MULTICOPPER_OXIDASE1	PS00079	Multicopper oxidases signature 1.	AURB_CHLAA	211-231	1	A:116-136

Biological Unit 1 (2, 2)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	COPPER_BLUE	PS00196	Type-1 copper (blue) proteins signature.	AURB_CHLAA	211-227	1	A:116-132
2	MULTICOPPER_OXIDASE1	PS00079	Multicopper oxidases signature 1.	AURB_CHLAA	211-231	1	A:116-136

Biological Unit 2 (2, 8)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	COPPER_BLUE	PS00196	Type-1 copper (blue) proteins signature.	AURB_CHLAA	211-227	4	A:116-132
2	MULTICOPPER_OXIDASE1	PS00079	Multicopper oxidases signature 1.	AURB_CHLAA	211-231	4	A:116-136

Biological Unit 3 (2, 4)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	COPPER_BLUE	PS00196	Type-1 copper (blue) proteins signature.	AURB_CHLAA	211-227	2	A:116-132
2	MULTICOPPER_OXIDASE1	PS00079	Multicopper oxidases signature 1.	AURB_CHLAA	211-231	2	A:116-136

Exons (0, 0)

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
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Chain A from PDB  Type:PROTEIN  Length:139
 aligned with AURB_CHLAA | P27197 from UniProtKB/Swiss-Prot  Length:235

    Alignment length:139
                                   106       116       126       136       146       156       166       176       186       196       206       216       226         
           AURB_CHLAA    97 ANAPGGSNVVNETPAQTVEVRAAPDALAFAQTSLSLPANTVVRLDFVNQNNLGVQHNWVLVNGGDDVAAAVNTAAQNNADALFVPPPDTPNALAWTAMLNAGESGSVTFRTPAPGTYLYICTFPGHYLAGMKGTLTVTP 235
               SCOP domains d1qhqa_ A: Auracyanin                                                                                                                       SCOP domains
               CATH domains 1qhqA00 A:2-140 Cupredoxins -  blue copper proteins                                                                                         CATH domains
               Pfam domains ---------------Copper-bind-1qhqA01 A:17-139                                                                                               - Pfam domains
         Sec.struct. author ...............eeeeee...........eeeee...eeeeeeee..........eee...hhhhhhhhhhhhh.hhh..........eeee.......eeeeeeee....eeeeee...........eeeeeee. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) ------------------------------------------------------------------------------------------------------------------MULTICOPPER_OXIDASE1 ---- PROSITE (1)
                PROSITE (2) ------------------------------------------------------------------------------------------------------------------COPPER_BLUE      -------- PROSITE (2)
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1qhq A   2 ANAPGGSNVVNETPAQTVEVRAAPDALAFAQTSLSLPANTVVRLDFVNQNNLGVQHNWVLVNGGDDVAAAVNTAAQNNADALFVPPPDTPNALAWTAMLNAGESGSVTFRTPAPGTYLYICTFPGHYLAGMKGTLTVTP 140
                                    11        21        31        41        51        61        71        81        91       101       111       121       131

Legend:		→ Mismatch	(orange background)
	-	→ Gap	(green background, '-', border residues have a numbering label)
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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 (1, 1)

Gene Ontology (7, 7)

Asymmetric Unit(hide GO term definitions)

Chain A (AURB_CHLAA | P27197)

molecular function
	GO:0005507	copper ion binding	Interacting selectively and non-covalently with copper (Cu) ions.
	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: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:0009767	photosynthetic electron transport chain	A process, occurring as part of photosynthesis, in which light provides the energy for a series of electron carriers to operate together to transfer electrons and generate a transmembrane electrochemical gradient.
cellular component
	GO:0016020	membrane	A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
	GO:0005886	plasma membrane	The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.

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