2iqi

Crystal structure of protein XCC0632 from Xanthomonas campestris, Pfam DUF330

Method: X-RAY DIFFRACTION

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1. Protein Identity and Related Structures Protein Identity & Related Structures

Hypothetical protein XCC0632

Xanthomonas campestris pv. campestris

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count
2	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count
3	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count
4	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count
5	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count
6	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count
7	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count
8	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q8PCT0_XANCP
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 5–192； UniProt 27–214 Author chain B； PDBConstruct 5–192； UniProt 27–214 Author chain C； PDBConstruct 5–192； UniProt 27–214 Author chain D； PDBConstruct 5–192； UniProt 27–214 Author chain E； PDBConstruct 5–192； UniProt 27–214 Author chain F； PDBConstruct 5–192； UniProt 27–214 Author chain G； PDBConstruct 5–192； UniProt 27–214 Author chain H； PDBConstruct 5–192； UniProt 27–214

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

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2. Structure Basics 2. Structure Basics

Entry ID entry_id	2iqi
Deposition date deposition_date	2006-10-13
Structure title title	Crystal structure of protein XCC0632 from Xanthomonas campestris, Pfam DUF330
Keywords keywords	;Structural genomics, hypothetical protein, PSI-2, Protein Structure Initiative, New York SGX Research Center for Structural Genomics, NYSGXRC, UNKNOWN FUNCTION ;; STRUCTURAL GENOMICS, UNKNOWN FUNCTION
Experimental Method method	X-RAY DIFFRACTION

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3. Official assembly/model SAXS Official SAXS Profiles

This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.

2iqi__assembly_4__model_1

Assembly 4 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

2iqi__assembly_4__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2iqi__assembly_4__model_1 | P(r) · Pending

P(r) will be calculated and displayed separately for the same assembly/model.

Rg（Guinier）	17.80 Å
Rg (electron density)	16.60 Å
Total Rg	17.55 Å
Atom count	1303
Residues	171
Excluded volume	23043 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2iqi__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`2iqi__assembly_2__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
3	1	`2iqi__assembly_3__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
4	1	`2iqi__assembly_4__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
5	1	`2iqi__assembly_5__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
6	1	`2iqi__assembly_6__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
7	1	`2iqi__assembly_7__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
8	1	`2iqi__assembly_8__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download

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4. Crystallography and Experiment 4. Crystallography & Experiment

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5. Entities and Polymers Entities & Polymers (2)

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6. Fold Classification (SCOP + CATH) 16 domains

SCOP 2.08 (8 domains)

Domain ID domain_id	d2iqia1
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.51 — Anticodon-binding domain-like
Superfamily Superfamily superfamily	c.51.6 — XCC0632-like
Family Family family	c.51.6.2 — XCC0632-like

Domain ID domain_id	d2iqib_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.51 — Anticodon-binding domain-like
Superfamily Superfamily superfamily	c.51.6 — XCC0632-like
Family Family family	c.51.6.2 — XCC0632-like

Domain ID domain_id	d2iqic_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.51 — Anticodon-binding domain-like
Superfamily Superfamily superfamily	c.51.6 — XCC0632-like
Family Family family	c.51.6.2 — XCC0632-like

Domain ID domain_id	d2iqid_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.51 — Anticodon-binding domain-like
Superfamily Superfamily superfamily	c.51.6 — XCC0632-like
Family Family family	c.51.6.2 — XCC0632-like

Domain ID domain_id	d2iqie_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.51 — Anticodon-binding domain-like
Superfamily Superfamily superfamily	c.51.6 — XCC0632-like
Family Family family	c.51.6.2 — XCC0632-like

Domain ID domain_id	d2iqif_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.51 — Anticodon-binding domain-like
Superfamily Superfamily superfamily	c.51.6 — XCC0632-like
Family Family family	c.51.6.2 — XCC0632-like

Domain ID domain_id	d2iqig_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.51 — Anticodon-binding domain-like
Superfamily Superfamily superfamily	c.51.6 — XCC0632-like
Family Family family	c.51.6.2 — XCC0632-like

Domain ID domain_id	d2iqih_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.51 — Anticodon-binding domain-like
Superfamily Superfamily superfamily	c.51.6 — XCC0632-like
Family Family family	c.51.6.2 — XCC0632-like

CATH v4.4 (8 domains)

Domain ID domain_id	2iqiA00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	10610 — ABC-type transport auxiliary lipoprotein component

Domain ID domain_id	2iqiB00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	10610 — ABC-type transport auxiliary lipoprotein component

Domain ID domain_id	2iqiC00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	10610 — ABC-type transport auxiliary lipoprotein component

Domain ID domain_id	2iqiD00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	10610 — ABC-type transport auxiliary lipoprotein component

Domain ID domain_id	2iqiE00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	10610 — ABC-type transport auxiliary lipoprotein component

Domain ID domain_id	2iqiF00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	10610 — ABC-type transport auxiliary lipoprotein component

Domain ID domain_id	2iqiG00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	10610 — ABC-type transport auxiliary lipoprotein component

Domain ID domain_id	2iqiH00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	10610 — ABC-type transport auxiliary lipoprotein component

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Unit-cell length a length_a	155.933 Å
Unit-cell length b length_b	103.114 Å
Unit-cell length c length_c	121.650 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	32

Space group space_group	P 21 21 2
Space-group number int_tables_number	18
Crystal system crystal_system	—

Resolution resolution	2.700 Å
Low-resolution limit resolution_low	19.890 Å
R factor r_factor	0.2110
R_work r_work	0.2090
R_free r_free	0.2750

Description description	Hypothetical protein XCC0632
Molecular weight formula_weight	20600.2 kDa
Source method src_method	man
Copy count entity_count	8

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C,D,E,F,G,H
Atom count atom_count	10680

Crystal structure of protein XCC0632 from Xanthomonas campestris, Pfam DUF330

1. Protein Identity and Related Structures Protein Identity & Related Structures

Hypothetical protein XCC0632

State in the Current Structure

Other States of the Same Protein in the Database

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

2iqi__assembly_4__model_1

2iqi__assembly_4__model_1 | I(q)

2iqi__assembly_4__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

5. Entities and Polymers Entities & Polymers (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 water

6. Fold Classification (SCOP + CATH) 16 domains

SCOP 2.08 (8 domains)

CATH v4.4 (8 domains)

7. Citations (1)

Source organism organism	Xanthomonas campestris pv. campestris
NCBI taxonomy ID ncbi_taxonomy_id	340
Host organism host_organism	Escherichia coli BL21(DE3)

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	203

Crystal structure of protein XCC0632 from Xanthomonas campestris, Pfam DUF330

1. Protein Identity and Related Structures Protein Identity & Related Structures

Hypothetical protein XCC0632

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

2iqi__assembly_4__model_1

2iqi__assembly_4__model_1 | I(q)

2iqi__assembly_4__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

5. Entities and Polymers Entities & Polymers (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 water

6. Fold Classification (SCOP + CATH) 16 domains

SCOP 2.08 (8 domains)

CATH v4.4 (8 domains)

7. Citations (1)