Chlorine in PDB 1vah: Crystal Structure of the Pig Pancreatic-Amylase Complexed with R- Nitrophenyl-A-D-Maltoside

Enzymatic activity of Crystal Structure of the Pig Pancreatic-Amylase Complexed with R- Nitrophenyl-A-D-Maltoside

All present enzymatic activity of Crystal Structure of the Pig Pancreatic-Amylase Complexed with R- Nitrophenyl-A-D-Maltoside:
3.2.1.1;

Protein crystallography data

The structure of Crystal Structure of the Pig Pancreatic-Amylase Complexed with R- Nitrophenyl-A-D-Maltoside, PDB code: 1vah was solved by H.Zhuo, F.Payan, M.Qian, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

*Resolution Low / High (Å)*	35.00 / 2.40
*Space group*	P 2₁ 2₁ 2₁
*Cell size a, b, c (Å), α, β, γ (°)*	56.300, 87.800, 103.400, 90.00, 90.00, 90.00
*R / R_free (%)*	17 / 23.3

Other elements in 1vah:

The structure of Crystal Structure of the Pig Pancreatic-Amylase Complexed with R- Nitrophenyl-A-D-Maltoside also contains other interesting chemical elements:

Calcium

(Ca)

1 atom

Chlorine Binding Sites:

The binding sites of Chlorine atom in the Crystal Structure of the Pig Pancreatic-Amylase Complexed with R- Nitrophenyl-A-D-Maltoside (pdb code 1vah). This binding sites where shown within 5.0 Angstroms radius around Chlorine atom.
In total only one binding site of Chlorine was determined in the Crystal Structure of the Pig Pancreatic-Amylase Complexed with R- Nitrophenyl-A-D-Maltoside, PDB code: 1vah:

Chlorine binding site 1 out of 1 in 1vah

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Chlorine Binding Sites List in 1vah

Chlorine binding site 1 out of 1 in the Crystal Structure of the Pig Pancreatic-Amylase Complexed with R- Nitrophenyl-A-D-Maltoside

Mono view

Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 1 of Crystal Structure of the Pig Pancreatic-Amylase Complexed with R- Nitrophenyl-A-D-Maltoside within 5.0Å range:

probe	atom	residue	distance (Å)	B	Occ
A:Cl498 b:13.5 occ:1.00	NH1	A:ARG337	3.2	15.5	1.0
	NH1	A:ARG195	3.3	12.7	1.0
	NE	A:ARG195	3.4	14.9	1.0
	ND2	A:ASN298	3.4	2.5	1.0
	NH2	A:ARG337	3.5	14.8	1.0
	O	A:HOH504	3.5	4.5	1.0
	CZ	A:ARG195	3.8	13.6	1.0
	CG	A:GLU233	3.8	13.2	1.0
	CZ	A:ARG337	3.8	15.1	1.0
	CG2	A:THR254	3.8	6.2	1.0
	CZ	A:PHE256	4.1	9.4	1.0
	CB	A:GLU233	4.4	12.9	1.0
	CG	A:ASN298	4.4	10.6	1.0
	CB	A:ASN298	4.4	10.2	1.0
	CD	A:ARG195	4.6	13.3	1.0
	CE2	A:PHE256	4.6	9.0	1.0
	CZ	A:PHE295	4.7	7.7	1.0
	CD	A:GLU233	4.7	13.7	1.0
	CB	A:THR254	4.7	9.4	1.0
	O	A:HOH555	4.8	12.3	1.0
	OE1	A:GLU233	4.9	14.1	1.0
	CE2	A:PHE295	4.9	3.9	1.0

Reference:

H.Zhuo, F.Payan, M.Qian. Crystal Structure of the Pig Pancreatic Alpha-Amylase Complexed with Rho-Nitrophenyl-Alpha-D-Maltoside-Flexibility in the Active Site Protein J. V. 23 379 2004.
ISSN: ISSN 1572-3887
PubMed: 15517985
DOI: 10.1023/B:JOPC.0000039552.94529.95

Page generated: Thu Jul 10 19:51:59 2025

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