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Title :   STRUCTURE OF HUMAN FERRITIN L. CHAIN

Authors :   Z. M. Wang, C. Li, M. P. Ellenburg, E. M. Soitsman, J. R. Ruble, B. S. Wrigh D. C. Carter

Date :   20 Dec 05 (Deposition) - 11 Jul 06 (Release) - 16 Nov 11 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   1.90

Chains :   Asym. Unit : J
Biol. Unit 1: J  (24x)

Keywords :   Human Ferritin Light Chain Perdeuterated Capsid, Metal Binding Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   Z. M. Wang, C. Li, M. P. Ellenburg, E. M. Soistman, J. R. Ruble, B. S. Wright, J. X. Ho, D. C. Carter
Structure Of Human Ferritin L Chain
Acta Crystallogr. , Sect. D V. 62 800 2006
PubMed-ID: 16790936 | Reference-DOI: 10.1107/S0907444906018294

Compounds

Structural Features

Chains, Units

Ligands, Modified Residues, Ions (2, 15)

Sites (15, 15)

Asymmetric Unit (15, 15)

No.	Name	Evidence	Residues	Description
01	AC1	SOFTWARE	HOH J:406	BINDING SITE FOR RESIDUE CD J 191
02	AC2	SOFTWARE	ASP J:15	BINDING SITE FOR RESIDUE CD J 192
03	AC3	SOFTWARE	HIS J:118 , CYS J:130 , CD J:201 , HOH J:455 , HOH J:456	BINDING SITE FOR RESIDUE CD J 193
04	AC4	SOFTWARE	HIS J:136	BINDING SITE FOR RESIDUE CD J 194
05	AC5	SOFTWARE	CD J:193 , CD J:202 , HOH J:456	BINDING SITE FOR RESIDUE CD J 201
06	AC6	SOFTWARE	CYS J:130 , GLU J:134 , CD J:201 , HOH J:456	BINDING SITE FOR RESIDUE CD J 202
07	AC7	SOFTWARE	GLU J:92	BINDING SITE FOR RESIDUE CD J 203
08	AC8	SOFTWARE	GLU J:49	BINDING SITE FOR RESIDUE CD J 204
09	AC9	SOFTWARE	GLU J:57 , GLU J:60 , HOH J:421	BINDING SITE FOR RESIDUE CD J 205
10	BC1	SOFTWARE	GLU J:61 , GLU J:64	BINDING SITE FOR RESIDUE CD J 206
11	BC2	SOFTWARE	GLU J:61	BINDING SITE FOR RESIDUE CD J 207
12	BC3	SOFTWARE	GLU J:90 , HOH J:356 , HOH J:366	BINDING SITE FOR RESIDUE CD J 208
13	BC4	SOFTWARE	GLU J:90	BINDING SITE FOR RESIDUE CD J 209
14	BC5	SOFTWARE	ASP J:84	BINDING SITE FOR RESIDUE CD J 210
15	BC6	SOFTWARE	SER J:13 , ASP J:15 , ARG J:124 , HOH J:397 , HOH J:404 , HOH J:413	BINDING SITE FOR RESIDUE SO4 J 189

SS Bonds (0, 0)

Cis Peptide Bonds (0, 0)

Sequence-Structure Mapping

SAPs(SNPs)/Variants (2, 2)

Asymmetric Unit (2, 2)

								dbSNP	PDB
No.	Source	Variant ID	Variant			UniProt ID	Status	ID	Chain	Variant
1	UniProt	VAR_070948	T	30	I	FRIL_HUMAN	Disease (HHCS)	397514540	J	T	33	I
2	UniProt	VAR_026633	A	96	T	FRIL_HUMAN	Disease (NBIA3)	104894685	J	A	99	T

SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)

Biological Unit 1 (2, 48)

								dbSNP	PDB
No.	Source	Variant ID	Variant			UniProt ID	Status	ID	Chain	Variant
1	UniProt	VAR_070948	T	30	I	FRIL_HUMAN	Disease (HHCS)	397514540	J	T	33	I
2	UniProt	VAR_026633	A	96	T	FRIL_HUMAN	Disease (NBIA3)	104894685	J	A	99	T

SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)

PROSITE Motifs (3, 3)

Asymmetric Unit (3, 3)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	FERRITIN_LIKE	PS50905	Ferritin-like diiron domain profile.	FRIL_HUMAN	7-156	1	J:10-159
2	FERRITIN_1	PS00540	Ferritin iron-binding regions signature 1.	FRIL_HUMAN	58-76	1	J:61-79
3	FERRITIN_2	PS00204	Ferritin iron-binding regions signature 2.	FRIL_HUMAN	123-143	1	J:126-146

Biological Unit 1 (3, 72)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	FERRITIN_LIKE	PS50905	Ferritin-like diiron domain profile.	FRIL_HUMAN	7-156	24	J:10-159
2	FERRITIN_1	PS00540	Ferritin iron-binding regions signature 1.	FRIL_HUMAN	58-76	24	J:61-79
3	FERRITIN_2	PS00204	Ferritin iron-binding regions signature 2.	FRIL_HUMAN	123-143	24	J:126-146

Exons (4, 4)

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 J from PDB  Type:PROTEIN  Length:173
 aligned with FRIL_HUMAN | P02792 from UniProtKB/Swiss-Prot  Length:175

    Alignment length:173
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171   
           FRIL_HUMAN     2 SSQIRQNYSTDVEAAVNSLVNLYLQASYTYLSLGFYFDRDDVALEGVSHFFRELAEEKREGYERLLKMQNQRGGRALFQDIKKPAEDEWGKTPDAMKAAMALEKKLNQALLDLHALGSARTDPHLCDFLETHFLDEEVKLIKKMGDHLTNLHRLGGPEAGLGEYLFERLTLKH 174
               SCOP domains d2ffxj_ J: (Apo)ferritin                                                                                                                                                      SCOP domains
               CATH domains 2ffxJ00 J:5-177  [code=1.20.1260.10, no name defined]                                                                                                                         CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ........hhhhhhhhhhhhhhhhhhhhhhhhhhhhh......hhhhhhhhhhhhhhhhhhhhhhhhhhhhh..................hhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhh... Sec.struct. author
                 SAPs(SNPs) ----------------------------I-----------------------------------------------------------------T------------------------------------------------------------------------------ SAPs(SNPs)
                PROSITE (1) -----FERRITIN_LIKE  PDB: J:10-159 UniProt: 7-156                                                                                                           ------------------ PROSITE (1)
                PROSITE (2) --------------------------------------------------------FERRITIN_1         ----------------------------------------------FERRITIN_2           ------------------------------- PROSITE (2)
               Transcript 1 Exon 1.1  PDB: J:5-37            Exon 1.2  PDB: J:38-86 UniProt: 35-83            Exon 1.3  PDB: J:87-128 UniProt: 84-125   Exon 1.4  PDB: J:129-177 UniProt: 126-175         Transcript 1
                 2ffx J   5 SSQIRQNYSTDVEAAVNSLVNLYLQASYTYLSLGFYFDRDDVALEGVSHFFRELAEEKREGYERLLKMQNQRGGRALFQDIKKPAEDEWGKTPDAMKAAMALEKKLNQALLDLHALGSARTDPHLCDFLETHFLDEEVKLIKKMGDHLTNLHRLGGPEAGLGEYLFERLTLKH 177
                                    14        24        34        44        54        64        74        84        94       104       114       124       134       144       154       164       174

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 '\|'

Classification and Annotation

SCOP Domains (1, 1)

CATH Domains (1, 1)

Pfam Domains (0, 0)

Gene Ontology (12, 12)

Asymmetric Unit(hide GO term definitions)

Chain J (FRIL_HUMAN | P02792)

molecular function
	GO:0008199	ferric iron binding	Interacting selectively and non-covalently with ferric iron, Fe(III).
	GO:0042802	identical protein binding	Interacting selectively and non-covalently with an identical protein or proteins.
	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.
	GO:0005515	protein binding	Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules).
biological process
	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:0055072	iron ion homeostasis	Any process involved in the maintenance of an internal steady state of iron ions within an organism or cell.
	GO:0006826	iron ion transport	The directed movement of iron (Fe) ions into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
cellular component
	GO:0005829	cytosol	The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
	GO:0070062	extracellular exosome	A vesicle that is released into the extracellular region by fusion of the limiting endosomal membrane of a multivesicular body with the plasma membrane. Extracellular exosomes, also simply called exosomes, have a diameter of about 40-100 nm.
	GO:0008043	intracellular ferritin complex	A ferritin complex located in the cell. Intracellular ferritin complexes contain 24 subunits, in a mixture of L (light) chains and H (heavy) chains.
	GO:0016020	membrane	A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.

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