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(-) Description

Authors :  C. A. Lesburg, D. W. Christianson
Date :  29 May 97  (Deposition) - 17 Sep 97  (Release) - 24 Feb 09  (Revision)
Resolution :  2.00
Chains :  Asym./Biol. Unit :  A
Keywords :  Lyase, Oxo-Acid, Acetylation (Keyword Search: [Gene Ontology, PubMed, Web (Google))
Reference :  C. A. Lesburg, C. Huang, D. W. Christianson, C. A. Fierke
Histidine --> Carboxamide Ligand Substitutions In The Zinc Binding Site Of Carbonic Anhydrase Ii Alter Metal Coordination Geometry But Retain Catalytic Activity.
Biochemistry V. 36 15780 1997
PubMed-ID: 9398308  |  Reference-DOI: 10.1021/BI971296X
(for further references see the PDB file header)

(-) Compounds

    Cell LineBL21
    EC Number4.2.1.1
    Expression SystemESCHERICHIA COLI
    Expression System GeneCAII
    Expression System PlasmidBL21
    Expression System StrainBL21 (DE3) PCAM
    Expression System Taxid562
    Organism CommonHUMAN
    Organism ScientificHOMO SAPIENS
    Organism Taxid9606

 Structural Features

(-) Chains, Units

Asymmetric/Biological Unit A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 2)

Asymmetric/Biological Unit (2, 2)
No.NameCountTypeFull Name
2ZN1Ligand/IonZINC ION

(-) Sites  (3, 3)

Asymmetric Unit (3, 3)
2AC2SOFTWAREASN A:94 , HIS A:96 , HIS A:119 , VAL A:121 , LEU A:198 , THR A:199 , THR A:200 , TRP A:209 , ZN A:262BINDING SITE FOR RESIDUE TRS A 263

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1H4N)

(-) Cis Peptide Bonds  (2, 2)

Asymmetric/Biological Unit
1Ser A:29 -Pro A:30
2Pro A:201 -Pro A:202

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (7, 7)

Asymmetric/Biological Unit (7, 7)
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
2UniProtVAR_001381Q92PCAH2_HUMANDisease (OPTB3)  ---AQ92P
3UniProtVAR_021009H94YCAH2_HUMANDisease (OPTB3)  ---AN94Y
4UniProtVAR_001382H107YCAH2_HUMANDisease (OPTB3)118203933AH107Y
5UniProtVAR_021010G144RCAH2_HUMANDisease (OPTB3)  ---AG145R

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

(-) PROSITE Motifs  (1, 1)

Asymmetric/Biological Unit (1, 1)
1ALPHA_CA_1PS00162 Alpha-carbonic anhydrases signature.CAH2_HUMAN105-121  1A:105-121

(-) Exons   (7, 7)

Asymmetric/Biological Unit (7, 7)
No.Transcript IDExonExon IDGenome LocationLengthIDLocationLengthCountLocationLength
1.5aENST000002853795aENSE00000698425chr8:86386553-8638664593CAH2_HUMAN118-148311A:118-149 (gaps)32

(-) Sequences/Alignments

Asymmetric/Biological 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:257
 aligned with CAH2_HUMAN | P00918 from UniProtKB/Swiss-Prot  Length:260

    Alignment length:257
                                    13        23        33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213       223       233       243       253       
               SCOP domains d1h4na_ A: Carbonic anhydrase                                                                                                                                                                                                                                     SCOP domains
               CATH domains 1h4nA00 A:4-261 Carbonic Anhydrase II                                                                                                                                                                                                                             CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ............hhh..hhhh......................eeee.....eeeeee....eeeee.......eeee......eeeeeeeeee..................eeeeeeeeehhh..hhhhhh....eeeeeeeeee....hhhhhhhhhhhhh.....eee.....hhhh......eeeeee..........eeeeee...eee.hhhhhhhhh................................. Sec.struct. author
                 SAPs(SNPs) --------------E-------------------------------------------------------------------------P-Y------------Y------------------------------------R-------------------------------------------------------------------------------------------H---------------D-------- SAPs(SNPs)
                    PROSITE -----------------------------------------------------------------------------------------------------ALPHA_CA_1       ------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
           Transcript 1 (1) Exon 1.1a-----------------------------------------------------------------Exon 1.4a  PDB: A:78-117 UniProt: 78-117Exon 1.5a  PDB: A:118-149 (gapsExon 1.6             Exon 1.7b  PDB: A:171-222 UniProt: 170-221          Exon 1.8b  PDB: A:223-261               Transcript 1 (1)
           Transcript 1 (2) --------Exon 1.2  PDB: A:12-78 UniProt: 12-78                              -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript 1 (2)
                                    13        23        33        43        53        63        73        83        93       103       113       123 ||    134       144       154       164       174       184       194       204       214       224       234       244       254       

   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)

Asymmetric/Biological Unit

(-) CATH Domains  (1, 1)

Asymmetric/Biological Unit
Class: Alpha Beta (26913)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1H4N)

(-) Gene Ontology  (39, 39)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (CAH2_HUMAN | P00918)
molecular function
    GO:0004064    arylesterase activity    Catalysis of the reaction: a phenyl acetate + H2O = a phenol + acetate.
    GO:0004089    carbonate dehydratase activity    Catalysis of the reaction: H2CO3 = CO2 + H2O.
    GO:0016829    lyase activity    Catalysis of the cleavage of C-C, C-O, C-N and other bonds by other means than by hydrolysis or oxidation, or conversely adding a group to a double bond. They differ from other enzymes in that two substrates are involved in one reaction direction, but only one in the other direction. When acting on the single substrate, a molecule is eliminated and this generates either a new double bond or a new ring.
    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).
    GO:0008270    zinc ion binding    Interacting selectively and non-covalently with zinc (Zn) ions.
biological process
    GO:0038166    angiotensin-activated signaling pathway    The series of molecular signals generated as a consequence of angiotensin II binding to an angiotensin receptor on the surface of the cell, and proceeding with the activated receptor transmitting the signal to a heterotrimeric G-protein complex to initiate a change in cell activity. Ends with regulation of a downstream cellular process, e.g. transcription.
    GO:0015701    bicarbonate transport    The directed movement of bicarbonate into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
    GO:0015670    carbon dioxide transport    The directed movement of carbon dioxide (CO2) into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
    GO:0071498    cellular response to fluid shear stress    Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a fluid shear stress stimulus. Fluid shear stress is the force acting on an object in a system where the fluid is moving across a solid surface.
    GO:0001822    kidney development    The process whose specific outcome is the progression of the kidney over time, from its formation to the mature structure. The kidney is an organ that filters the blood and/or excretes the end products of body metabolism in the form of urine.
    GO:0002009    morphogenesis of an epithelium    The process in which the anatomical structures of epithelia are generated and organized. An epithelium consists of closely packed cells arranged in one or more layers, that covers the outer surfaces of the body or lines any internal cavity or tube.
    GO:0042475    odontogenesis of dentin-containing tooth    The process whose specific outcome is the progression of a dentin-containing tooth over time, from its formation to the mature structure. A dentin-containing tooth is a hard, bony organ borne on the jaw or other bone of a vertebrate, and is composed mainly of dentin, a dense calcified substance, covered by a layer of enamel.
    GO:0006730    one-carbon metabolic process    The chemical reactions and pathways involving the transfer of one-carbon units in various oxidation states.
    GO:0045780    positive regulation of bone resorption    Any process that activates or increases the frequency, rate or extent of bone resorption.
    GO:0032849    positive regulation of cellular pH reduction    Any process that activates or increases the frequency, rate, or extent of a process that reduces the internal pH of a cell.
    GO:2001150    positive regulation of dipeptide transmembrane transport    Any process that activates or increases the frequency, rate or extent of dipeptide transmembrane transport.
    GO:0045672    positive regulation of osteoclast differentiation    Any process that activates or increases the frequency, rate or extent of osteoclast differentiation.
    GO:0032230    positive regulation of synaptic transmission, GABAergic    Any process that activates, maintains or increases the frequency, rate or extent of GABAergic synaptic transmission, the process of communication from a neuron to another neuron across a synapse using the neurotransmitter gamma-aminobutyric acid (GABA).
    GO:0044070    regulation of anion transport    Any process that modulates the frequency, rate or extent of the directed movement of anions, atoms or small molecules with a net negative charge into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
    GO:2001225    regulation of chloride transport    Any process that modulates the frequency, rate or extent of chloride transport.
    GO:0051453    regulation of intracellular pH    Any process that modulates the internal pH of a cell, measured by the concentration of the hydrogen ion.
    GO:0043627    response to estrogen    Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of stimulus by an estrogen, C18 steroid hormones that can stimulate the development of female sexual characteristics.
    GO:0010033    response to organic substance    Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of an organic substance stimulus.
    GO:0009268    response to pH    Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a pH stimulus. pH is a measure of the acidity or basicity of an aqueous solution.
    GO:0048545    response to steroid hormone    Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a steroid hormone stimulus.
    GO:0010043    response to zinc ion    Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a zinc ion stimulus.
    GO:0046903    secretion    The controlled release of a substance by a cell or a tissue.
cellular component
    GO:0045177    apical part of cell    The region of a polarized cell that forms a tip or is distal to a base. For example, in a polarized epithelial cell, the apical region has an exposed surface and lies opposite to the basal lamina that separates the epithelium from other tissue.
    GO:0030424    axon    The long process of a neuron that conducts nerve impulses, usually away from the cell body to the terminals and varicosities, which are sites of storage and release of neurotransmitter.
    GO:0016323    basolateral plasma membrane    The region of the plasma membrane that includes the basal end and sides of the cell. Often used in reference to animal polarized epithelial membranes, where the basal membrane is the part attached to the extracellular matrix, or in plant cells, where the basal membrane is defined with respect to the zygotic axis.
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
    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:0005615    extracellular space    That part of a multicellular organism outside the cells proper, usually taken to be outside the plasma membranes, and occupied by fluid.
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
    GO:0005902    microvillus    Thin cylindrical membrane-covered projections on the surface of an animal cell containing a core bundle of actin filaments. Present in especially large numbers on the absorptive surface of intestinal cells.
    GO:0043209    myelin sheath    An electrically insulating fatty layer that surrounds the axons of many neurons. It is an outgrowth of glial cells: Schwann cells supply the myelin for peripheral neurons while oligodendrocytes supply it to those of the central nervous system.
    GO:0005886    plasma membrane    The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.


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 Related Entries

(-) Entries Sharing at Least One Protein Chain (UniProt ID)

        CAH2_HUMAN | P0091812ca 1a42 1am6 1avn 1bcd 1bic 1bn1 1bn3 1bn4 1bnm 1bnn 1bnq 1bnt 1bnu 1bnv 1bnw 1bv3 1ca2 1ca3 1cah 1cai 1caj 1cak 1cal 1cam 1can 1cao 1cay 1caz 1ccs 1cct 1ccu 1cil 1cim 1cin 1cnb 1cnc 1cng 1cnh 1cni 1cnj 1cnk 1cnw 1cnx 1cny 1cra 1cva 1cvb 1cvc 1cvd 1cve 1cvf 1cvh 1dca 1dcb 1eou 1f2w 1fql 1fqm 1fqn 1fqr 1fr4 1fr7 1fsn 1fsq 1fsr 1g0e 1g0f 1g1d 1g3z 1g45 1g46 1g48 1g4j 1g4o 1g52 1g53 1g54 1h9n 1h9q 1hca 1hea 1heb 1hec 1hed 1hva 1i8z 1i90 1i91 1i9l 1i9m 1i9n 1i9o 1i9p 1i9q 1if4 1if5 1if6 1if7 1if8 1if9 1kwq 1kwr 1lg5 1lg6 1lgd 1lug 1lzv 1moo 1mua 1okl 1okm 1okn 1oq5 1ray 1raz 1rza 1rzb 1rzc 1rzd 1rze 1t9n 1tb0 1tbt 1te3 1teq 1teu 1tg3 1tg9 1th9 1thk 1ttm 1uga 1ugb 1ugc 1ugd 1uge 1ugf 1ugg 1xeg 1xev 1xpz 1xq0 1yda 1ydb 1ydc 1ydd 1yo0 1yo1 1yo2 1z9y 1ze8 1zfk 1zfq 1zge 1zgf 1zh9 1zsa 1zsb 1zsc 2abe 2aw1 2ax2 2ca2 2cba 2cbb 2cbc 2cbd 2cbe 2eu2 2eu3 2ez7 2f14 2fmg 2fmz 2fnk 2fnm 2fnn 2foq 2fos 2fou 2fov 2gd8 2geh 2h15 2h4n 2hd6 2hkk 2hl4 2hnc 2hoc 2ili 2nng 2nno 2nns 2nnv 2nwo 2nwp 2nwy 2nwz 2nxr 2nxs 2nxt 2o4z 2osf 2osm 2pou 2pov 2pow 2q1b 2q1q 2q38 2qo8 2qoa 2qp6 2vva 2vvb 2wd2 2wd3 2weg 2weh 2wej 2weo 2x7s 2x7t 2x7u 3b4f 3bet 3bl0 3bl1 3c7p 3ca2 3caj 3cyu 3d8w 3d92 3d93 3d9z 3daz 3dbu 3dc3 3dc9 3dcc 3dcs 3dcw 3dd0 3dd8 3dv7 3dvb 3dvc 3dvd 3efi 3eft 3f4x 3f8e 3ffp 3gz0 3hfp 3hkn 3hkq 3hkt 3hku 3hlj 3hs4 3ibi 3ibl 3ibn 3ibu 3ieo 3igp 3k2f 3k34 3k7k 3kig 3kkx 3kne 3koi 3kok 3kon 3ks3 3kwa 3l14 3m04 3m14 3m1j 3m1k 3m1q 3m1w 3m2n 3m2x 3m2y 3m2z 3m3x 3m40 3m5e 3m5s 3m5t 3m67 3m96 3m98 3mhc 3mhi 3mhl 3mhm 3mho 3ml2 3mmf 3mna 3mnh 3mni 3mnj 3mnk 3mnu 3mwo 3myq 3mzc 3n0n 3n2p 3n3j 3n4b 3nb5 3ni5 3nj9 3oik 3oil 3oim 3oku 3okv 3oy0 3oyq 3oys 3p3h 3p3j 3p44 3p4v 3p55 3p58 3p5a 3p5l 3pjj 3po6 3pyk 3qyk 3r16 3r17 3rg3 3rg4 3rge 3rj7 3rld 3ryj 3ryv 3ryx 3ryy 3ryz 3rz0 3rz1 3rz5 3rz7 3rz8 3s71 3s72 3s73 3s74 3s75 3s76 3s77 3s78 3s8x 3s9t 3sap 3sax 3sbh 3sbi 3t5u 3t5z 3t82 3t83 3t84 3t85 3tmj 3tvn 3tvo 3u3a 3u45 3u47 3u7c 3v2j 3v2m 3v3f 3v3g 3v3h 3v3i 3v3j 3v5g 3v7x 3vbd 3zp9 4bcw 4bf1 4bf6 4ca2 4cac 4cq0 4dz7 4dz9 4e3d 4e3f 4e3g 4e3h 4e49 4e4a 4e5q 4fik 4fl7 4fpt 4frc 4fu5 4fvn 4fvo 4g0c 4gl1 4hba 4hew 4hey 4hez 4hf3 4ht0 4idr 4ilx 4ito 4itp 4iwz 4js6 4jsa 4jss 4jsw 4jsz 4k0s 4k0t 4k0z 4k13 4k1q 4kap 4kni 4knj 4kuv 4kuw 4kuy 4kv0 4l5u 4l5v 4l5w 4lhi 4lp6 4m2r 4m2u 4m2v 4m2w 4mdg 4mdl 4mdm 4mlt 4mlx 4mo8 4mty 4n0x 4n16 4pq7 4pxx 4pyx 4pyy 4pzh 4q06 4q07 4q08 4q09 4q49 4q6d 4q6e 4q78 4q7p 4q7s 4q7v 4q7w 4q81 4q83 4q87 4q8x 4q8y 4q8z 4q90 4q99 4q9y 4qef 4qiy 4qjm 4qk1 4qk2 4qk3 4qsa 4qsb 4qsi 4qtl 4qy3 4r59 4r5a 4r5b 4rfc 4rfd 4rh2 4riu 4riv 4rn4 4rux 4ruy 4ruz 4wl4 4ww6 4xe1 4y0j 4ygj 4ygk 4ygl 4ygn 4yvy 4ywp 4yx4 4yxi 4yxo 4yxu 4yyt 4z0q 4z1e 4z1j 4z1k 4z1n 4zao 4zwi 4zwx 4zwy 4zwz 4zx0 4zx1 5a6h 5amd 5amg 5aml 5bnl 5bru 5brv 5brw 5byi 5c8i 5ca2 5cac 5cjl 5clu 5dog 5doh 5drs 5dsi 5dsj 5dsk 5dsl 5dsm 5dsn 5dso 5dsp 5dsq 5dsr 5e28 5e2k 5e2r 5e2s 5eh5 5eh7 5eh8 5ehe 5ehv 5ehw 5eij 5ekh 5ekj 5ekm 5eoi 5fdc 5fdi 5flo 5flp 5flq 5flr 5fls 5flt 5fng 5fnh 5fni 5fnj 5fnk 5fnl 5fnm 5g01 5g03 5g0b 5g0c 5gmn 5j8z 5jdv 5je7 5jeg 5jeh 5jep 5jes 5jg3 5jg5 5jgs 5jgt 5jmz 5jn1 5jn3 5jn7 5jq0 5jqt 5l3o 5l6k 5l6t 5l70 5l9e 5ljq 5ljt 5lmd 5lvs 5n0d 5n0e 5sz0 5sz1 5sz2 5sz3 5sz4 5sz5 5sz6 5sz7 5th4 5thi 5thj 5thn 5ti0 6ca2 7ca2 8ca2 9ca2

(-) Related Entries Specified in the PDB File

(no "Related Entries Specified in the PDB File" available for 1H4N)