2Z7E - JenaLib

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Title :   CRYSTAL STRUCTURE OF AQUIFEX AEOLICUS ISCU WITH BOUND [2FE-2S] CLUSTER

Authors :   Y. Shimomura, K. Wada, Y. Takahashi, K. Fukuyama

Date :   20 Aug 07 (Deposition) - 19 Aug 08 (Release) - 24 Feb 09 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   2.30

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

Keywords :   Iron-Sulfur Cluster, Iron, Biosynthesis, [2Fe-2S], Isc, Iscu, Nifu, Asymmetric Trimer, Three Conserved Cys, Biosynthetic Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   Y. Shimomura, K. Wada, K. Fukuyama, Y. Takahashi
The Asymmetric Trimeric Architecture Of [2Fe-2S] Iscu: Implications For Its Scaffolding During Iron-Sulfur Cluster Biosynthesis
J. Mol. Biol. V. 383 133 2008
PubMed-ID: 18723024 | Reference-DOI: 10.1016/J.JMB.2008.08.015
(for further references see the PDB file header)

Molecule 1 - NIFU-LIKE PROTEIN
	Chains	:	A, B, C
	Engineered	:	YES
	Expression System	:	ESCHERICHIA COLI
	Expression System Plasmid	:	PET21A(+)
	Expression System Strain	:	C41(DE3)
	Expression System Taxid	:	562
	Expression System Vector Type	:	PLASMID
	Gene	:	AQ_896
	Mutation	:	YES
	Organism Scientific	:	AQUIFEX AEOLICUS
	Organism Taxid	:	63363
	Strain	:	VF5
	Synonym	:	ISCU PROTEIN

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

Summary Information (see also Sequences/Alignments below)

Asymmetric Unit (2, 5)

No.	Name	Count	Type	Full Name
1	FES	1	Ligand/Ion	FE2/S2 (INORGANIC) CLUSTER
2	SO4	4	Ligand/Ion	SULFATE ION

Biological Unit 1 (2, 5)

No.	Name	Count	Type	Full Name
1	FES	1	Ligand/Ion	FE2/S2 (INORGANIC) CLUSTER
2	SO4	4	Ligand/Ion	SULFATE ION

Biological Unit 2 (2, 10)

No.	Name	Count	Type	Full Name
1	FES	2	Ligand/Ion	FE2/S2 (INORGANIC) CLUSTER
2	SO4	8	Ligand/Ion	SULFATE ION

Asymmetric Unit (5, 5)

No.	Name	Evidence	Residues	Description
1	AC1	SOFTWARE	ILE A:105 , HIS A:106 , CYS A:107 , HOH A:208 , HOH A:225 , HOH C:179	BINDING SITE FOR RESIDUE SO4 A 158
2	AC2	SOFTWARE	VAL A:21 , LEU A:22 , GLU A:23 , ARG A:57 , HOH A:205 , HOH A:211 , HOH B:198 , HOH B:207	BINDING SITE FOR RESIDUE SO4 A 159
3	AC3	SOFTWARE	ASN A:18 , HOH A:166 , HOH A:190 , HOH A:191	BINDING SITE FOR RESIDUE SO4 A 160
4	AC4	SOFTWARE	SER B:65 , LYS B:104 , TYR C:5 , ASN C:6 , GLY C:99 , LEU C:100	BINDING SITE FOR RESIDUE SO4 C 158
5	AC5	SOFTWARE	CYS B:36 , CYS B:63 , HIS B:106 , CYS B:107	BINDING SITE FOR RESIDUE FES B 158

Asymmetric Unit

No.	Residues
1	A:31	-	A:138
2	A:36	-	A:107
3	B:31	-	B:138
4	C:31	-	C:138
5	C:63	-	C:107

(no "Cis Peptide Bond" information available for 2Z7E)

(no "SAP(SNP)/Variant" information available for 2Z7E)

(no "PROSITE Motif" information available for 2Z7E)

(no "Exon" information available for 2Z7E)

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:139
 aligned with ISCU_AQUAE | O67045 from UniProtKB/Swiss-Prot  Length:157

    Alignment length:139
                                    10        20        30        40        50        60        70        80        90       100       110       120       130         
           ISCU_AQUAE     1 MSFEYNEKVLDHFLNPRNVGVLEDANGVGQCGNPACGDAMLFTIKVNPENDVIEDVRFKTFGCGSAIAVSSMLTEMVKGKPIQYALNLTYKDIFEELGGLPPQKIHCTNLGLETLHVAIKDYLMKQGRVEEASKIPDCY 139
               SCOP domains d2z7ea_ A: automated matches                                                                                                                SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..hhhhhhhhhhhhh...........eeeeeee....eeeeeeeee......eeeeeeeee...hhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhh...........hhhhhhhhhhhhhhhh..hhhhhhhh.... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2z7e A   1 MSFEYNEKVLDHFLNPRNVGVLEDANGVGQCGNPACGAAMLFTIKVNPENDVIEDVRFKTFGCGSAIAVSSMLTEMVKGKPIQYALNLTYKDIFEELGGLPPQKIHCTNLGLETLHVAIKDYLMKQGRVEEASKIPDCY 139
                                    10        20        30        40        50        60        70        80        90       100       110       120       130

Chain B from PDB  Type:PROTEIN  Length:140
 aligned with ISCU_AQUAE | O67045 from UniProtKB/Swiss-Prot  Length:157

    Alignment length:140
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142
           ISCU_AQUAE     3 FEYNEKVLDHFLNPRNVGVLEDANGVGQCGNPACGDAMLFTIKVNPENDVIEDVRFKTFGCGSAIAVSSMLTEMVKGKPIQYALNLTYKDIFEELGGLPPQKIHCTNLGLETLHVAIKDYLMKQGRVEEASKIPDCYEEE 142
               SCOP domains d2z7eb_ B: automated matches                                                                                                                 SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...hhhhhhhhhh...........eeeeeee....eeeeeeeee......eeeeeeee..hhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhhhhh.hhhhhhh........ Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2z7e B   3 FEYNEKVLDHFLNPRNVGVLEDANGVGQCGNPACGAAMLFTIKVNPENDVIEDVRFKTFGCGSAIAVSSMLTEMVKGKPIQYALNLTYKDIFEELGGLPPQKIHCTNLGLETLHVAIKDYLMKQGRVEEASKIPDCYEEE 142
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142

Chain C from PDB  Type:PROTEIN  Length:137
 aligned with ISCU_AQUAE | O67045 from UniProtKB/Swiss-Prot  Length:157

    Alignment length:137
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       
           ISCU_AQUAE     2 SFEYNEKVLDHFLNPRNVGVLEDANGVGQCGNPACGDAMLFTIKVNPENDVIEDVRFKTFGCGSAIAVSSMLTEMVKGKPIQYALNLTYKDIFEELGGLPPQKIHCTNLGLETLHVAIKDYLMKQGRVEEASKIPDC 138
               SCOP domains d2z7ec_ C: automated matches                                                                                                              SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....hhhhhhhhhh...........eeeee.hhhhh.eeeeeeee......eeeeeeeee..hhhhhhhhhhhhhhh..hhhhhhh.hhhhhhhhhh............hhhhhhhhhhhhhhhh.hhhhhhh.... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2z7e C   2 SFEYNEKVLDHFLNPRNVGVLEDANGVGQCGNPACGAAMLFTIKVNPENDVIEDVRFKTFGCGSAIAVSSMLTEMVKGKPIQYALNLTYKDIFEELGGLPPQKIHCTNLGLETLHVAIKDYLMKQGRVEEASKIPDC 138
                                    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 '\|'

Asymmetric Unit

Classes(

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Folds(

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Superfamilies( (-)

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Families(

)

Protein Domains( (-)

)

Organisms( (-)

)

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

Fold: SufE/NifU (22)

Superfamily: SufE/NifU (22)

Family: automated matches (4)

Protein domain: automated matches (4)

Aquifex aeolicus [TaxId: 63363] (1)

1a	d2z7ea_	A:
1b	d2z7eb_	B:
1c	d2z7ec_	C:

(no "CATH Domain" information available for 2Z7E)

(no "Pfam Domain" information available for 2Z7E)

Asymmetric Unit(hide GO term definitions)

Chain A,B,C (ISCU_AQUAE | O67045)

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:0051539	4 iron, 4 sulfur cluster binding	Interacting selectively and non-covalently with a 4 iron, 4 sulfur (4Fe-4S) cluster; this cluster consists of four iron atoms, with the inorganic sulfur atoms found between the irons and acting as bridging ligands.
	GO:0008198	ferrous iron binding	Interacting selectively and non-covalently with ferrous iron, Fe(II).
	GO:0005506	iron ion binding	Interacting selectively and non-covalently with iron (Fe) ions.
	GO:0051536	iron-sulfur cluster binding	Interacting selectively and non-covalently with an iron-sulfur cluster, a combination of iron and sulfur atoms.
	GO:0036455	iron-sulfur transferase activity	Catalysis of the transfer of a iron-sulfur cluster from one compound (donor) to another (acceptor).
	GO:0046872	metal ion binding	Interacting selectively and non-covalently with any metal ion.
biological process
	GO:0044571	[2Fe-2S] cluster assembly	The incorporation of two iron atoms and two sulfur atoms into an iron-sulfur cluster.
	GO:0006879	cellular iron ion homeostasis	Any process involved in the maintenance of an internal steady state of iron ions at the level of a cell.
	GO:0016226	iron-sulfur cluster assembly	The incorporation of iron and exogenous sulfur into a metallo-sulfur cluster.
	GO:0097428	protein maturation by iron-sulfur cluster transfer	The transfer of an assembled iron-sulfur cluster from a scaffold protein to an acceptor protein that contributes to the attainment of the full functional capacity of a protein.
cellular component
	GO:0005737	cytoplasm	All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.

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Description

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Ligands, Modified Residues, Ions (2, 5)

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SS Bonds (5, 5)

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