1QOB - JenaLib

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Title :   FERREDOXIN MUTATION D62K

Authors :   H. M. Holden, M. M. Benning

Date :   14 Aug 97 (Deposition) - 14 Jan 98 (Release) - 13 Jul 11 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   1.80

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

Keywords :   Electron Transport, Iron-Sulfur, Ferredoxin (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   J. K. Hurley, A. M. Weber-Main, M. T. Stankovich, M. M. Benning, J. B. Thoden, J. L. Vanhooke, H. M. Holden, Y. K. Chae, B. Xia, H. Cheng, J. L. Markley, M. Martinez-Julvez, C. Gomez-Moreno, J. L. Schmeits, G. Tollin
Structure-Function Relationships In Anabaena Ferredoxin: Correlations Between X-Ray Crystal Structures, Reduction Potentials, And Rate Constants Of Electron Transfer To Ferredoxin:Nadp+ Reductase For Site-Specific Ferredoxin Mutants.
Biochemistry V. 36 11100 1997
PubMed-ID: 9287153 | Reference-DOI: 10.1021/BI9709001

Molecule 1 - FERREDOXIN
	Chains	:	A, B
	Engineered	:	YES
	Expression System	:	ESCHERICHIA COLI
	Expression System Plasmid	:	PAN662
	Expression System Strain	:	JM109
	Expression System Taxid	:	562
	Mutation	:	YES
	Organism Scientific	:	NOSTOC SP.
	Organism Taxid	:	103690
	Other Details	:	2FE-2S FERREDOXIN
	Strain	:	PCC 7120

		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, 3)

No.	Name	Count	Type	Full Name
1	FES	2	Ligand/Ion	FE2/S2 (INORGANIC) CLUSTER
2	SO4	1	Ligand/Ion	SULFATE ION

Biological Unit 1 (2, 2)

No.	Name	Count	Type	Full Name
1	FES	1	Ligand/Ion	FE2/S2 (INORGANIC) CLUSTER
2	SO4	1	Ligand/Ion	SULFATE ION

Biological Unit 2 (1, 1)

No.	Name	Count	Type	Full Name
1	FES	1	Ligand/Ion	FE2/S2 (INORGANIC) CLUSTER
2	SO4	-1	Ligand/Ion	SULFATE ION

Asymmetric Unit (3, 3)

No.	Name	Evidence	Residues	Description
1	AC1	SOFTWARE	ASN A:9 , THR A:14 , HIS A:16 , HIS A:92 , HOH A:109 , HOH A:202	BINDING SITE FOR RESIDUE SO4 A 207
2	AC2	SOFTWARE	SER A:40 , CYS A:41 , ARG A:42 , GLY A:44 , ALA A:45 , CYS A:46 , CYS A:49 , LEU A:77 , CYS A:79	BINDING SITE FOR RESIDUE FES A 100
3	AC3	SOFTWARE	SER B:40 , CYS B:41 , ARG B:42 , GLY B:44 , ALA B:45 , CYS B:46 , CYS B:49 , CYS B:79	BINDING SITE FOR RESIDUE FES B 100

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

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

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

Asymmetric Unit (2, 4)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	2FE2S_FER_2	PS51085	2Fe-2S ferredoxin-type iron-sulfur binding domain profile.	FER1_NOSS1	4-96	2	A:3-95 B:3-95
2	2FE2S_FER_1	PS00197	2Fe-2S ferredoxin-type iron-sulfur binding region signature.	FER1_NOSS1	42-50	2	A:41-49 B:41-49

Biological Unit 1 (2, 2)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	2FE2S_FER_2	PS51085	2Fe-2S ferredoxin-type iron-sulfur binding domain profile.	FER1_NOSS1	4-96	1	A:3-95 -
2	2FE2S_FER_1	PS00197	2Fe-2S ferredoxin-type iron-sulfur binding region signature.	FER1_NOSS1	42-50	1	A:41-49 -

Biological Unit 2 (2, 2)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	2FE2S_FER_2	PS51085	2Fe-2S ferredoxin-type iron-sulfur binding domain profile.	FER1_NOSS1	4-96	1	- B:3-95
2	2FE2S_FER_1	PS00197	2Fe-2S ferredoxin-type iron-sulfur binding region signature.	FER1_NOSS1	42-50	1	- B:41-49

(no "Exon" information available for 1QOB)

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:98
 aligned with FER1_NOSS1 | P0A3C7 from UniProtKB/Swiss-Prot  Length:99

    Alignment length:98
                                    11        21        31        41        51        61        71        81        91        
            FER1_NOSS1    2 ATFKVTLINEAEGTKHEIEVPDDEYILDAAEEQGYDLPFSCRAGACSTCAGKLVSGTVDQSDQSFLDDDQIEAGYVLTCVAYPTSDVVIQTHKEEDLY 99
               SCOP domains d1qoba_ A: 2Fe-2S ferredoxin                                                                       SCOP domains
               CATH domains 1qobA00 A:1-98  [code=3.10.20.30, no name defined]                                                 CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeeeeee....eeeeeeee....hhhhhhh.................eeeeee............hhhhh..eeehhh......eeee...hhh.. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) --2FE2S_FER_2  PDB: A:3-95 UniProt: 4-96                                                       --- PROSITE (1)
                PROSITE (2) ----------------------------------------2FE2S_FER------------------------------------------------- PROSITE (2)
                 Transcript -------------------------------------------------------------------------------------------------- Transcript
                  1qob A  1 ATFKVTLINEAEGTKHEIEVPDDEYILDAAEEQGYDLPFSCRAGACSTCAGKLVSGTVDQSKQSFLDDDQIEAGYVLTCVAYPTSDVVIQTHKEEDLY 98
                                    10        20        30        40        50        60        70        80        90

Chain B from PDB  Type:PROTEIN  Length:98
 aligned with FER1_NOSS1 | P0A3C7 from UniProtKB/Swiss-Prot  Length:99

    Alignment length:98
                                    11        21        31        41        51        61        71        81        91        
            FER1_NOSS1    2 ATFKVTLINEAEGTKHEIEVPDDEYILDAAEEQGYDLPFSCRAGACSTCAGKLVSGTVDQSDQSFLDDDQIEAGYVLTCVAYPTSDVVIQTHKEEDLY 99
               SCOP domains d1qobb_ B: 2Fe-2S ferredoxin                                                                       SCOP domains
               CATH domains 1qobB00 B:1-98  [code=3.10.20.30, no name defined]                                                 CATH domains
           Pfam domains (1) --------Fer2-1qobB01 B:9-84                                                         -------------- Pfam domains (1)
           Pfam domains (2) --------Fer2-1qobB02 B:9-84                                                         -------------- Pfam domains (2)
         Sec.struct. author .eeeeeeee....eeeeeeee....hhhhhhh.................eeeeee............hhhhh..eeehhh......eeee...hhh.. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) --2FE2S_FER_2  PDB: B:3-95 UniProt: 4-96                                                       --- PROSITE (1)
                PROSITE (2) ----------------------------------------2FE2S_FER------------------------------------------------- PROSITE (2)
                 Transcript -------------------------------------------------------------------------------------------------- Transcript
                  1qob B  1 ATFKVTLINEAEGTKHEIEVPDDEYILDAAEEQGYDLPFSCRAGACSTCAGKLVSGTVDQSKQSFLDDDQIEAGYVLTCVAYPTSDVVIQTHKEEDLY 98
                                    10        20        30        40        50        60        70        80        90

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: Alpha and beta proteins (a+b) (23004)

Fold: beta-Grasp (ubiquitin-like) (1032)

Superfamily: 2Fe-2S ferredoxin-like (174)

Family: 2Fe-2S ferredoxin-related (74)

Protein domain: 2Fe-2S ferredoxin (54)

Anabaena sp., pcc 7119 and 7120 [TaxId: 1167] (12)

1a	d1qoba_	A:
1b	d1qobb_	B:

Asymmetric Unit

Classes(

)

Architectures( (-)

)

Topologies( (-)

)

Homologous Superfamilies( (-)

)

Organisms( (-)

)

Class: Alpha Beta (26913)

Architecture: Roll (3276)

Topology: Ubiquitin-like (UB roll) (674)

Homologous Superfamily: [code=3.10.20.30, no name defined] (153)

Pcc 7120 (Nostoc sp) (9)

1a	1qobA00	A:1-98
1b	1qobB00	B:1-98

Asymmetric Unit

Clans(

)

Families(

)

Organisms( (-)

)

Clan: Fer2 (69)

Family: Fer2 (60)

Nostoc sp. (strain PCC 7120 / UTEX 2576) (4)

1a	Fer2-1qobB01	B:9-84
1b	Fer2-1qobB02	B:9-84

Asymmetric Unit(hide GO term definitions)

Chain A,B (FER1_NOSS1 | P0A3C7)

molecular function
	GO:0051537	2 iron, 2 sulfur cluster binding	Interacting selectively and non-covalently with a 2 iron, 2 sulfur (2Fe-2S) cluster; this cluster consists of two iron atoms, with two inorganic sulfur atoms found between the irons and acting as bridging ligands.
	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:0051536	iron-sulfur cluster binding	Interacting selectively and non-covalently with an iron-sulfur cluster, a combination of iron and sulfur atoms.
	GO:0046872	metal ion binding	Interacting selectively and non-covalently with any metal ion.
biological process
	GO:0022900	electron transport chain	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: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.

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	1qob
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