1Q8H - JenaLib

Title :   CRYSTAL STRUCTURE OF PORCINE OSTEOCALCIN

Authors :   Q. Q. Hoang, F. Sicheri, A. J. Howard, D. S. Yang

Date :   21 Aug 03 (Deposition) - 11 Nov 03 (Release) - 13 Jul 11 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   2.00

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

Keywords :   Helix-Turn-Helix-Turn-Helix, Paper-Clip, Hydroxyapatite Crystal Surface Binding Protein, Calcium Binding Protein, Bone Gla Protein, Metal Binding Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   Q. Q. Hoang, F. Sicheri, A. J. Howard, D. S. Yang
Bone Recognition Mechanism Of Porcine Osteocalcin From Crystal Structure.
Nature V. 425 977 2003
PubMed-ID: 14586470 | Reference-DOI: 10.1038/NATURE02079

Compounds

Structural Features

Chains, Units

Ligands, Modified Residues, Ions (2, 6)

Sites (3, 3)

Asymmetric Unit (3, 3)

No.	Name	Evidence	Residues	Description
1	AC1	SOFTWARE	CGU A:17 , CGU A:21 , CGU A:24 , HOH A:87	BINDING SITE FOR RESIDUE CA A 71
2	AC2	SOFTWARE	CGU A:17 , CGU A:24 , ASP A:30 , HOH A:88 , HOH A:97 , HOH A:118	BINDING SITE FOR RESIDUE CA A 72
3	AC3	SOFTWARE	CGU A:21 , CGU A:24 , HOH A:93	BINDING SITE FOR RESIDUE CA A 73

SS Bonds (1, 1)

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	GLA_2	PS50998	Gla domain profile.	OSTCN_PIG	15-47	1	A:15-47
2	GLA_1	PS00011	Vitamin K-dependent carboxylation domain.	OSTCN_PIG	17-42	1	A:17-42

Biological Unit 1 (2, 4)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	GLA_2	PS50998	Gla domain profile.	OSTCN_PIG	15-47	2	A:15-47
2	GLA_1	PS00011	Vitamin K-dependent carboxylation domain.	OSTCN_PIG	17-42	2	A:17-42

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:37
 aligned with OSTCN_PIG | Q8HYY9 from UniProtKB/Swiss-Prot  Length:49

    Alignment length:37
                                    22        32        42       
             OSTCN_PIG   13 PDPLEPRREVCELNPDCDELADHIGFQEAYRRFYGIA 49
               SCOP domains d1q8ha_ A: Osteocalcin                SCOP domains
               CATH domains ------------------------------------- CATH domains
               Pfam domains Gla-1q8hA01 A:13-47                -- Pfam domains
         Sec.struct. author ...hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------- SAPs(SNPs)
                PROSITE (1) --GLA_2  PDB: A:15-47              -- PROSITE (1)
                PROSITE (2) ----GLA_1  PDB: A:17-42       ------- PROSITE (2)
                 Transcript ------------------------------------- Transcript
                  1q8h A 13 PDPLePRReVCeLNPDCDELADHIGFQEAYRRFYGIA 49
                                |   22 |      32        42       
                                |   |  |                         
                               17-CGU  |                         
                                   21-CGU                        
                                      24-CGU

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 (0, 0)

Pfam Domains (1, 1)

Gene Ontology (5, 5)

Asymmetric Unit(hide GO term definitions)

Chain A (OSTCN_PIG | Q8HYY9)

molecular function
	GO:0005509	calcium ion binding	Interacting selectively and non-covalently with calcium ions (Ca2+).
	GO:0046872	metal ion binding	Interacting selectively and non-covalently with any metal ion.
biological process
	GO:0031214	biomineral tissue development	Formation of hard tissues that consist mainly of inorganic compounds, and also contain a small amounts of organic matrices that are believed to play important roles in their formation.
	GO:0030500	regulation of bone mineralization	Any process that modulates the frequency, rate or extent of bone mineralization.
cellular component
	GO:0005576	extracellular region	The space external to the outermost structure of a cell. For cells without external protective or external encapsulating structures this refers to space outside of the plasma membrane. This term covers the host cell environment outside an intracellular parasite.

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	Cis Peptide Bonds
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Biological Unit
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Still Images

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	1q8h
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Description